diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 088e3ea..eefef2c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,13 @@
+Version 31.0.0
+==============
+
+- Schema change 31.
+
+Version 30.0.0
+==============
+
+- Schema change 30.
+
 Version 29.1.0
 ==============
 
diff --git a/README.rst b/README.rst
index 9e4dce3..6ee3279 100644
--- a/README.rst
+++ b/README.rst
@@ -8,7 +8,7 @@ MusicBrainz Database Mirror
     :target: https://badge.fury.io/py/mbslave
 
 This repository now contains a collection of scripts for managing a
-replica of the MusicBrainz database. 
+replica of the MusicBrainz database.
 
 The main motivation for these scripts is to be able to customize
 your database. If you don't need such customizations, it might be
@@ -36,7 +36,7 @@ There are two ways to configure the application.
 
         export MBSLAVE_CONFIG=/usr/local/etc/mbslave.conf
 
-2. Alternativelly, you can use using environment variables::
+2. Alternatively, you can use environment variables::
 
         export MBSLAVE_DB_HOST=127.0.0.1
         export MBSLAVE_DB_PORT=5432
@@ -46,6 +46,14 @@ There are two ways to configure the application.
         export MBSLAVE_DB_ADMIN_USER=postgres
         export MBSLAVE_DB_ADMIN_PASSWORD=XXX
 
+Be aware, that configuring a different value for `db.user` or `schemas.musicbrainz` might require to configure a
+custom `search_path` for the user (or database): By default, postgres sets the search_path to `"$user", public`.
+If both is `musicbrainz` everything works, if they differ, you might run into errors when running `mbslave sync` as
+triggers can't lookup functions properly. One way to solve this is to set the search path for your custom user to the
+schema configured for musicbrainz::
+
+  ALTER USER myuser SET search_path TO musicbrainz, public;
+
 Database Setup
 ==============
 
@@ -66,7 +74,7 @@ you are doing.
 Database Replication
 ====================
 
-You can also keep the database up-to-date by applying incrementa changes.
+You can also keep the database up-to-date by applying incremental changes.
 
 You need get an API token from the `MetaBrainz website <https://metabrainz.org/supporters/account-type>`__ and you
 need to either add it to `mbslave.conf` or set the ``MBSLAVE_MUSICBRAINZ_TOKEN`` environment variable.
@@ -82,6 +90,22 @@ When the MusicBrainz database schema changes, the replication will stop working.
 This is usually announced on the `MusicBrainz blog <http://blog.musicbrainz.org/>`__.
 When it happens, you need to upgrade the database.
 
+Release 2026-05-11 (31)
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Run the upgrade scripts::
+
+    mbslave psql -f updates/schema-change/31.all.sql
+    echo 'UPDATE replication_control SET current_schema_sequence = 31;' | mbslave psql
+
+Release 2025-05-19 (30)
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Run the upgrade scripts::
+
+    mbslave psql -f updates/schema-change/30.all.sql
+    echo 'UPDATE replication_control SET current_schema_sequence = 30;' | mbslave psql
+
 Release 2024-05-13 (29)
 ~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/mbslave/__init__.py b/mbslave/__init__.py
index 7c2f436..e1d0aae 100644
--- a/mbslave/__init__.py
+++ b/mbslave/__init__.py
@@ -1,4 +1,4 @@
 # Copyright (C) 2013 Lukas Lalinsky
 # Distributed under the MIT license, see the LICENSE file for details.
 
-__version__ = "29.1.0"
+__version__ = "31.0.0"
diff --git a/mbslave/replication.py b/mbslave/replication.py
index e33d68e..bbbe29e 100644
--- a/mbslave/replication.py
+++ b/mbslave/replication.py
@@ -686,7 +686,7 @@ def mbslave_init_main(config: Config, args: argparse.Namespace) -> None:
 
         # replication
         ('musicbrainz', 'ReplicationSetup.sql'),
-        ('dbmirror2', 'dbmirror2/ReplicationSetup.sql'),
+        ('dbmirror2', 'dbmirror2/dbmirror2.sql'),
 
     ]
 
diff --git a/mbslave/sql/CreateAllReplicationTriggers2.sql b/mbslave/sql/CreateAllReplicationTriggers2.sql
new file mode 100644
index 0000000..e904cf1
--- /dev/null
+++ b/mbslave/sql/CreateAllReplicationTriggers2.sql
@@ -0,0 +1,7 @@
+-- Helper script to create all dbmirror2 replication triggers.
+\ir CreateReplicationTriggers2.sql
+\ir caa/CreateReplicationTriggers2.sql
+\ir documentation/CreateReplicationTriggers2.sql
+\ir statistics/CreateReplicationTriggers2.sql
+\ir eaa/CreateReplicationTriggers2.sql
+\ir wikidocs/CreateReplicationTriggers2.sql
diff --git a/mbslave/sql/CreateConstraints.sql b/mbslave/sql/CreateConstraints.sql
index 5df4283..a9a3bd7 100644
--- a/mbslave/sql/CreateConstraints.sql
+++ b/mbslave/sql/CreateConstraints.sql
@@ -145,6 +145,7 @@ ALTER TABLE series_type ADD CONSTRAINT allowed_series_entity_type
       'recording',
       'release',
       'release_group',
+      'series',
       'work'
     )
   );
@@ -173,6 +174,15 @@ ADD CONSTRAINT group_type_implies_null_gender CHECK (
 ALTER TABLE release_label
 ADD CHECK (catalog_number IS NOT NULL OR label IS NOT NULL);
 
+ALTER TABLE release_label
+  ADD CONSTRAINT no_empty_string_catalog_number
+  CHECK (catalog_number != '');
+
+ALTER TABLE release_label
+  ADD CONSTRAINT release_label_uniq
+  UNIQUE NULLS NOT DISTINCT (release, label, catalog_number)
+  DEFERRABLE INITIALLY DEFERRED;
+
 ALTER TABLE artist ADD CONSTRAINT artist_va_check
     CHECK (id <> 1 OR
            (type = 3 AND
diff --git a/mbslave/sql/CreateCustomReplicationTriggers2.sql b/mbslave/sql/CreateCustomReplicationTriggers2.sql
new file mode 100644
index 0000000..8acf756
--- /dev/null
+++ b/mbslave/sql/CreateCustomReplicationTriggers2.sql
@@ -0,0 +1,10 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+CREATE TRIGGER sanitize_dbmirror2_editor_data
+    BEFORE INSERT ON dbmirror2.pending_data
+    FOR EACH ROW WHEN (NEW.tablename = 'musicbrainz.editor')
+    EXECUTE PROCEDURE sanitize_dbmirror2_editor_data();
+
+COMMIT;
diff --git a/mbslave/sql/CreateFKConstraints.sql b/mbslave/sql/CreateFKConstraints.sql
index eef896f..4a601f6 100644
--- a/mbslave/sql/CreateFKConstraints.sql
+++ b/mbslave/sql/CreateFKConstraints.sql
@@ -3006,6 +3006,11 @@ ALTER TABLE medium_format
    FOREIGN KEY (parent)
    REFERENCES medium_format(id);
 
+ALTER TABLE medium_gid_redirect
+   ADD CONSTRAINT medium_gid_redirect_fk_new_id
+   FOREIGN KEY (new_id)
+   REFERENCES medium(id);
+
 ALTER TABLE medium_index
    ADD CONSTRAINT medium_index_fk_medium
    FOREIGN KEY (medium)
diff --git a/mbslave/sql/CreateFunctions.sql b/mbslave/sql/CreateFunctions.sql
index 285d04e..51f9823 100644
--- a/mbslave/sql/CreateFunctions.sql
+++ b/mbslave/sql/CreateFunctions.sql
@@ -13,7 +13,7 @@ CREATE OR REPLACE FUNCTION _median(INTEGER[]) RETURNS INTEGER AS $$
   LIMIT 1
   -- Subtracting (n + 1) % 2 creates a left bias
   OFFSET greatest(0, floor((select count(*) FROM q) / 2.0) - ((select count(*) + 1 FROM q) % 2));
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE;
+$$ LANGUAGE sql IMMUTABLE;
 
 CREATE AGGREGATE median(INTEGER) (
   SFUNC=array_append,
@@ -50,7 +50,7 @@ BEGIN
     value = value || lpad(to_hex(ceil(random() * 255)::int), 2, '0');
     RETURN value::uuid;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION from_hex(t text) RETURNS integer
     AS $$
@@ -61,7 +61,7 @@ BEGIN
         RETURN r.hex;
     END LOOP;
 END
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public IMMUTABLE STRICT;
+$$ LANGUAGE plpgsql IMMUTABLE STRICT;
 
 -- NameSpace_URL = '6ba7b8119dad11d180b400c04fd430c8'
 CREATE OR REPLACE FUNCTION generate_uuid_v3(namespace varchar, name varchar) RETURNS uuid
@@ -84,7 +84,7 @@ BEGIN
     value = value || substr(bytes, 1+2*10, 12);
     return value::uuid;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public IMMUTABLE STRICT;
+$$ LANGUAGE 'plpgsql' IMMUTABLE STRICT;
 
 
 CREATE OR REPLACE FUNCTION inc_ref_count(tbl varchar, row_id integer, val integer) RETURNS void AS $$
@@ -94,7 +94,7 @@ BEGIN
     EXECUTE 'UPDATE ' || tbl || ' SET ref_count = ref_count + ' || val || ' WHERE id = ' || row_id;
     RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION dec_ref_count(tbl varchar, row_id integer, val integer) RETURNS void AS $$
 DECLARE
@@ -109,7 +109,7 @@ BEGIN
     EXECUTE 'UPDATE ' || tbl || ' SET ref_count = ref_count - ' || val || ' WHERE id = ' || row_id;
     RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION integer_date(year SMALLINT, month SMALLINT, day SMALLINT)
 RETURNS INTEGER AS $$
@@ -126,7 +126,7 @@ RETURNS INTEGER AS $$
             )::INTEGER
         END
     )
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE PARALLEL SAFE;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE;
 
 -----------------------------------------------------------------------
 -- area triggers
@@ -149,7 +149,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- artist triggers
@@ -161,7 +161,7 @@ BEGIN
     INSERT INTO artist_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_artist_attribute_type_allows_text()
@@ -180,7 +180,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- artist_credit triggers
@@ -197,7 +197,7 @@ BEGIN
     -- artist_release_group.
     RAISE EXCEPTION 'Cannot update artist_credit_name';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- editor triggers
@@ -211,7 +211,7 @@ BEGIN
     END IF;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- event triggers
@@ -234,7 +234,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- event triggers
@@ -246,7 +246,7 @@ BEGIN
     INSERT INTO event_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- instrument triggers
@@ -261,7 +261,7 @@ BEGIN
     ) INSERT INTO link_creditable_attribute_type (attribute_type) SELECT id FROM inserted_rows;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION a_upd_instrument() RETURNS trigger AS $$
 BEGIN
@@ -272,7 +272,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION a_del_instrument() RETURNS trigger AS $$
 BEGIN
@@ -283,7 +283,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_instrument_attribute_type_allows_text()
@@ -302,7 +302,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- label triggers
@@ -313,7 +313,7 @@ BEGIN
     INSERT INTO label_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_label_attribute_type_allows_text()
@@ -332,7 +332,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- medium triggers
@@ -355,7 +355,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- place triggers
@@ -367,7 +367,7 @@ BEGIN
     INSERT INTO place_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_place_attribute_type_allows_text()
@@ -386,7 +386,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- recording triggers
@@ -395,7 +395,7 @@ $$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
 CREATE OR REPLACE FUNCTION median_track_length(recording_id integer)
 RETURNS integer AS $$
   SELECT median(track.length) FROM track WHERE recording = $1;
-$$ LANGUAGE sql SET search_path = musicbrainz, public;
+$$ LANGUAGE SQL;
 
 CREATE OR REPLACE FUNCTION b_upd_recording() RETURNS TRIGGER AS $$
 BEGIN
@@ -409,7 +409,7 @@ BEGIN
   NEW.last_updated = now();
   RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_recording() RETURNS trigger AS $$
 BEGIN
@@ -417,7 +417,7 @@ BEGIN
     INSERT INTO recording_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_recording() RETURNS trigger AS $$
 BEGIN
@@ -427,14 +427,14 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_recording() RETURNS trigger AS $$
 BEGIN
     PERFORM dec_ref_count('artist_credit', OLD.artist_credit, 1);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_recording_attribute_type_allows_text()
@@ -453,7 +453,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- release triggers
@@ -471,7 +471,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release() RETURNS trigger AS $$
 BEGIN
@@ -516,7 +516,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release() RETURNS trigger AS $$
 BEGIN
@@ -528,7 +528,40 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_primary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT id FROM release_group
+            WHERE release_group.type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_secondary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT release_group
+            FROM release_group_secondary_type_join
+            WHERE secondary_type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_group_secondary_type_join()
 RETURNS trigger AS $$
@@ -536,7 +569,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_group_secondary_type_join()
 RETURNS trigger AS $$
@@ -544,7 +577,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_label()
 RETURNS trigger AS $$
@@ -552,7 +585,7 @@ BEGIN
     INSERT INTO artist_release_pending_update VALUES (NEW.release);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_label()
 RETURNS trigger AS $$
@@ -562,7 +595,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_label()
 RETURNS trigger AS $$
@@ -570,7 +603,7 @@ BEGIN
     INSERT INTO artist_release_pending_update VALUES (OLD.release);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_release_attribute_type_allows_text()
@@ -589,7 +622,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- release_group triggers
@@ -602,7 +635,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_group() RETURNS trigger AS $$
 BEGIN
@@ -619,7 +652,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_group() RETURNS trigger AS $$
 BEGIN
@@ -627,7 +660,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION b_upd_release_group_secondary_type_join() RETURNS trigger AS $$
 BEGIN
@@ -639,7 +672,7 @@ BEGIN
     -- artist_release_group up-to-date.
     RAISE EXCEPTION 'Cannot update release_group_secondary_type_join';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_release_group_attribute_type_allows_text()
@@ -656,7 +689,7 @@ RETURNS trigger AS $$
     ELSE RETURN NEW;
     END IF;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- series triggers
@@ -679,7 +712,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- track triggers
@@ -703,7 +736,7 @@ BEGIN
     );
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_track() RETURNS trigger AS $$
 BEGIN
@@ -749,7 +782,7 @@ BEGIN
     PERFORM materialise_recording_length(NEW.recording);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_track() RETURNS trigger AS $$
 BEGIN
@@ -769,7 +802,7 @@ BEGIN
     );
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- work triggers
@@ -780,7 +813,7 @@ BEGIN
     INSERT INTO work_meta (id) VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -- Ensure attribute type allows free text if free text is added
 CREATE OR REPLACE FUNCTION ensure_work_attribute_type_allows_text()
@@ -798,7 +831,7 @@ BEGIN
         RETURN NEW;
     END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- alternative tracklist triggers
@@ -811,7 +844,7 @@ BEGIN
     END IF;
     RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION dec_nullable_artist_credit(row_id integer) RETURNS void AS $$
 BEGIN
@@ -820,14 +853,14 @@ BEGIN
     END IF;
     RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_alternative_release_or_track() RETURNS trigger AS $$
 BEGIN
     PERFORM inc_nullable_artist_credit(NEW.artist_credit);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_alternative_release_or_track() RETURNS trigger AS $$
 BEGIN
@@ -837,21 +870,21 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_alternative_release_or_track() RETURNS trigger AS $$
 BEGIN
     PERFORM dec_nullable_artist_credit(OLD.artist_credit);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_alternative_medium_track() RETURNS trigger AS $$
 BEGIN
     PERFORM inc_ref_count('alternative_track', NEW.alternative_track, 1);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_alternative_medium_track() RETURNS trigger AS $$
 BEGIN
@@ -861,14 +894,14 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_alternative_medium_track() RETURNS trigger AS $$
 BEGIN
     PERFORM dec_ref_count('alternative_track', OLD.alternative_track, 1);
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- lastupdate triggers
@@ -879,7 +912,7 @@ BEGIN
     NEW.last_updated = NOW();
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_edit() RETURNS trigger AS $$
 BEGIN
@@ -889,14 +922,14 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION b_ins_edit_materialize_status() RETURNS trigger AS $$
 BEGIN
     NEW.status = (SELECT status FROM edit WHERE id = NEW.edit);
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 ------------------------
 -- Collection deletion and hiding triggers
@@ -916,7 +949,7 @@ RETURNS trigger AS $$
       RETURN NEW;
     END IF;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION del_collection_sub_on_delete()
 RETURNS trigger AS $$
@@ -928,7 +961,7 @@ RETURNS trigger AS $$
 
     RETURN OLD;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION del_collection_sub_on_private()
 RETURNS trigger AS $$
@@ -946,7 +979,7 @@ RETURNS trigger AS $$
 
     RETURN NEW;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION restore_collection_sub_on_public()
 RETURNS trigger AS $$
@@ -961,7 +994,7 @@ RETURNS trigger AS $$
 
     RETURN NULL;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 ------------------------
 -- CD Lookup
@@ -1005,7 +1038,7 @@ BEGIN
 
     RETURN str::cube;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public IMMUTABLE;
+$$ LANGUAGE 'plpgsql' IMMUTABLE;
 
 CREATE OR REPLACE FUNCTION create_bounding_cube(durations INTEGER[], fuzzy INTEGER) RETURNS cube AS $$
 DECLARE
@@ -1059,7 +1092,7 @@ BEGIN
 
     RETURN str::cube;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public IMMUTABLE;
+$$ LANGUAGE 'plpgsql' IMMUTABLE;
 
 -------------------------------------------------------------------
 -- Maintain musicbrainz.release_first_release_date
@@ -1087,7 +1120,7 @@ BEGIN
         )
         ORDER BY release, year NULLS LAST, month NULLS LAST, day NULLS LAST';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public STRICT;
+$$ LANGUAGE 'plpgsql' STRICT;
 
 CREATE OR REPLACE FUNCTION set_release_first_release_date(release_id INTEGER)
 RETURNS VOID AS $$
@@ -1104,7 +1137,7 @@ BEGIN
 
   INSERT INTO artist_release_pending_update VALUES (release_id);
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public STRICT;
+$$ LANGUAGE 'plpgsql' STRICT;
 
 -------------------------------------------------------------------
 -- Maintain release_group_meta.first_release_date
@@ -1117,9 +1150,10 @@ BEGIN
                                   first_release_date_day = first.day
       FROM (
         SELECT rd.year, rd.month, rd.day
-        FROM release
+        FROM release_group
+        LEFT JOIN release ON release.release_group = release_group.id
         LEFT JOIN release_first_release_date rd ON (rd.release = release.id)
-        WHERE release.release_group = release_group_id
+        WHERE release_group.id = release_group_id
         ORDER BY
           rd.year NULLS LAST,
           rd.month NULLS LAST,
@@ -1129,7 +1163,7 @@ BEGIN
     WHERE id = release_group_id;
     INSERT INTO artist_release_group_pending_update VALUES (release_group_id);
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -------------------------------------------------------------------
 -- Maintain musicbrainz.recording_first_release_date
@@ -1149,7 +1183,7 @@ BEGIN
             rd.month NULLS LAST,
             rd.day NULLS LAST';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public STRICT;
+$$ LANGUAGE 'plpgsql' STRICT;
 
 CREATE OR REPLACE FUNCTION set_recordings_first_release_dates(recording_ids INTEGER[])
 RETURNS VOID AS $$
@@ -1164,7 +1198,19 @@ BEGIN
     format('track.recording = any(%L)', recording_ids)
   );
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public STRICT;
+$$ LANGUAGE 'plpgsql' STRICT;
+
+CREATE OR REPLACE FUNCTION set_mediums_recordings_first_release_dates(medium_ids INTEGER[])
+RETURNS VOID AS $$
+BEGIN
+  PERFORM set_recordings_first_release_dates((
+    SELECT array_agg(recording)
+      FROM track
+     WHERE track.medium = any(medium_ids)
+  ));
+  RETURN;
+END;
+$$ LANGUAGE 'plpgsql' STRICT;
 
 CREATE OR REPLACE FUNCTION set_releases_recordings_first_release_dates(release_ids INTEGER[])
 RETURNS VOID AS $$
@@ -1177,7 +1223,19 @@ BEGIN
   ));
   RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public STRICT;
+$$ LANGUAGE 'plpgsql' STRICT;
+
+CREATE OR REPLACE FUNCTION a_upd_medium_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF NEW.release IS DISTINCT FROM OLD.release THEN
+        PERFORM set_mediums_recordings_first_release_dates(ARRAY[OLD.id]);
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_event()
 RETURNS TRIGGER AS $$
@@ -1196,7 +1254,7 @@ BEGIN
 
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_event()
 RETURNS TRIGGER AS $$
@@ -1227,7 +1285,7 @@ BEGIN
 
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_event()
 RETURNS TRIGGER AS $$
@@ -1246,13 +1304,13 @@ BEGIN
 
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION deny_special_purpose_deletion() RETURNS trigger AS $$
 BEGIN
     RAISE EXCEPTION 'Attempted to delete a special purpose row';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -------------------------------------------------------------------
 -- Ratings
@@ -1284,7 +1342,7 @@ BEGIN
     entity_type::TEXT || '_rating_raw'
   ) USING entity_id;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_aggregate_rating_for_raw_insert()
 RETURNS trigger AS $$
@@ -1297,7 +1355,7 @@ BEGIN
   PERFORM update_aggregate_rating(entity_type, new_entity_id);
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_aggregate_rating_for_raw_update()
 RETURNS trigger AS $$
@@ -1319,7 +1377,7 @@ BEGIN
   END IF;
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_aggregate_rating_for_raw_delete()
 RETURNS trigger AS $$
@@ -1332,7 +1390,7 @@ BEGIN
   PERFORM update_aggregate_rating(entity_type, old_entity_id);
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION delete_ratings(enttype TEXT, ids INTEGER[])
 RETURNS TABLE(editor INT, rating SMALLINT) AS $$
@@ -1346,7 +1404,7 @@ BEGIN
          USING ids;
     RETURN;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -------------------------------------------------------------------
 -- Prevent link attributes being used on links that don't support them
@@ -1366,7 +1424,7 @@ BEGIN
     END IF;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 --------------------------------------------------------------------------------
 -- Remove unused link rows when a relationship is changed
@@ -1390,53 +1448,17 @@ BEGIN
 
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION delete_unused_url(ids INTEGER[])
 RETURNS VOID AS $$
-DECLARE
-  clear_up INTEGER[];
-BEGIN
-  SELECT ARRAY(
-    SELECT id FROM url url_row WHERE id = any(ids)
-    EXCEPT
-    SELECT url FROM edit_url JOIN edit ON (edit.id = edit_url.edit) WHERE edit.status = 1
-    EXCEPT
-    SELECT entity1 FROM l_area_url
-    EXCEPT
-    SELECT entity1 FROM l_artist_url
-    EXCEPT
-    SELECT entity1 FROM l_event_url
-    EXCEPT
-    SELECT entity1 FROM l_genre_url
-    EXCEPT
-    SELECT entity1 FROM l_instrument_url
-    EXCEPT
-    SELECT entity1 FROM l_label_url
-    EXCEPT
-    SELECT entity1 FROM l_mood_url
-    EXCEPT
-    SELECT entity1 FROM l_place_url
-    EXCEPT
-    SELECT entity1 FROM l_recording_url
-    EXCEPT
-    SELECT entity1 FROM l_release_url
-    EXCEPT
-    SELECT entity1 FROM l_release_group_url
-    EXCEPT
-    SELECT entity1 FROM l_series_url
-    EXCEPT
-    SELECT entity1 FROM l_url_url
-    EXCEPT
-    SELECT entity0 FROM l_url_url
-    EXCEPT
-    SELECT entity0 FROM l_url_work
-  ) INTO clear_up;
-
-  DELETE FROM url_gid_redirect WHERE new_id = any(clear_up);
-  DELETE FROM url WHERE id = any(clear_up);
-END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+BEGIN
+  DELETE FROM url_gid_redirect WHERE new_id = any(ids);
+  DELETE FROM url WHERE id = any(ids);
+EXCEPTION
+  WHEN foreign_key_violation THEN RETURN;
+END;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION remove_unused_url()
 RETURNS TRIGGER AS $$
@@ -1455,7 +1477,7 @@ BEGIN
 
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION simplify_search_hints()
 RETURNS trigger AS $$
@@ -1474,7 +1496,7 @@ BEGIN
     END IF;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION end_date_implies_ended()
 RETURNS trigger AS $$
@@ -1487,7 +1509,7 @@ BEGIN
     END IF;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION end_area_implies_ended()
 RETURNS trigger AS $$
@@ -1498,7 +1520,7 @@ BEGIN
     END IF;
     RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION delete_orphaned_recordings()
 RETURNS TRIGGER
@@ -1559,15 +1581,15 @@ AS $$
 
     RETURN NULL;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION padded_by_whitespace(TEXT) RETURNS boolean AS $$
   SELECT btrim($1) <> $1;
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE;
+$$ LANGUAGE SQL IMMUTABLE;
 
 CREATE OR REPLACE FUNCTION controlled_for_whitespace(TEXT) RETURNS boolean AS $$
   SELECT NOT padded_by_whitespace($1);
-$$ LANGUAGE sql IMMUTABLE SET search_path = musicbrainz, public;
+$$ LANGUAGE SQL IMMUTABLE SET search_path = musicbrainz, public;
 
 CREATE OR REPLACE FUNCTION update_aggregate_tag_count(entity_type taggable_entity_type, entity_id INTEGER, tag_id INTEGER, count_change SMALLINT)
 RETURNS VOID AS $$
@@ -1583,7 +1605,7 @@ BEGIN
     entity_type::TEXT
   ) USING entity_id, tag_id, count_change;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION delete_unused_aggregate_tag(entity_type taggable_entity_type, entity_id INTEGER, tag_id INTEGER)
 RETURNS VOID AS $$
@@ -1606,7 +1628,7 @@ BEGIN
     entity_type::TEXT || '_tag_raw'
   ) USING entity_id, tag_id;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_tag_counts_for_raw_insert()
 RETURNS trigger AS $$
@@ -1620,7 +1642,7 @@ BEGIN
   UPDATE tag SET ref_count = ref_count + 1 WHERE id = NEW.tag;
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_tag_counts_for_raw_update()
 RETURNS trigger AS $$
@@ -1647,7 +1669,7 @@ BEGIN
   END IF;
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION update_tag_counts_for_raw_delete()
 RETURNS trigger AS $$
@@ -1662,7 +1684,7 @@ BEGIN
   UPDATE tag SET ref_count = ref_count - 1 WHERE id = OLD.tag;
   RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION delete_unused_tag(tag_id INT)
 RETURNS void AS $$
@@ -1671,7 +1693,7 @@ RETURNS void AS $$
   EXCEPTION
     WHEN foreign_key_violation THEN RETURN;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION trg_delete_unused_tag()
 RETURNS trigger AS $$
@@ -1679,7 +1701,7 @@ RETURNS trigger AS $$
     PERFORM delete_unused_tag(NEW.id);
     RETURN NULL;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION trg_delete_unused_tag_ref()
 RETURNS trigger AS $$
@@ -1687,7 +1709,7 @@ RETURNS trigger AS $$
     PERFORM delete_unused_tag(OLD.tag);
     RETURN NULL;
   END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION inserting_edits_requires_confirmed_email_address()
 RETURNS trigger AS $$
@@ -1702,7 +1724,7 @@ BEGIN
     RETURN NEW;
   END IF;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION deny_deprecated_links()
 RETURNS trigger AS $$
@@ -1713,7 +1735,7 @@ BEGIN
   END IF;
   RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION check_has_dates()
 RETURNS trigger AS $$
@@ -1731,7 +1753,7 @@ BEGIN
   END IF;
   RETURN NEW;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION materialise_recording_length(recording_id INT)
 RETURNS void as $$
@@ -1741,14 +1763,14 @@ BEGIN
   WHERE recording.id = recording_id
     AND recording.length IS DISTINCT FROM track.median;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION track_count_matches_cdtoc(medium, int) RETURNS boolean AS $$
     SELECT $1.track_count = $2 + COALESCE(
         (SELECT count(*) FROM track
          WHERE medium = $1.id AND (position = 0 OR is_data_track = true)
     ), 0);
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE;
+$$ LANGUAGE SQL IMMUTABLE;
 
 COMMIT;
 
@@ -1766,7 +1788,7 @@ BEGIN
     );
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- Text search helpers
@@ -1774,7 +1796,7 @@ $$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
 
 CREATE OR REPLACE FUNCTION mb_lower(input text) RETURNS text AS $$
   SELECT lower(input COLLATE musicbrainz.musicbrainz);
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE PARALLEL SAFE STRICT;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE STRICT;
 
 CREATE OR REPLACE FUNCTION mb_simple_tsvector(input text) RETURNS tsvector AS $$
   -- The builtin 'simple' dictionary, which the mb_simple text search
@@ -1782,7 +1804,7 @@ CREATE OR REPLACE FUNCTION mb_simple_tsvector(input text) RETURNS tsvector AS $$
   -- for us, but internally it hardcodes DEFAULT_COLLATION_OID; therefore
   -- we first lowercase the input string ourselves using mb_lower.
   SELECT to_tsvector('musicbrainz.mb_simple', musicbrainz.mb_lower(input));
-$$ LANGUAGE sql SET search_path = musicbrainz, public IMMUTABLE PARALLEL SAFE STRICT;
+$$ LANGUAGE SQL IMMUTABLE PARALLEL SAFE STRICT;
 
 -----------------------------------------------------------------------
 -- Edit data helpers
@@ -1817,7 +1839,7 @@ BEGIN
     END CASE;
     RETURN '';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public IMMUTABLE PARALLEL SAFE STRICT;
+$$ LANGUAGE plpgsql IMMUTABLE PARALLEL SAFE STRICT;
 
 -----------------------------------------------------------------------
 -- Maintain musicbrainz.artist_release
@@ -1844,7 +1866,7 @@ BEGIN
                 (CASE r.barcode WHEN '' THEN '0' ELSE r.barcode END),
                 '[^0-9]+', '', 'g'
             ), 18)::BIGINT AS barcode,
-            left(r.name, 1)::CHAR(1) AS sort_character,
+            r.name,
             r.id
         FROM (
             SELECT FALSE AS is_track_artist, racn.artist, r.id AS release
@@ -1868,7 +1890,7 @@ BEGIN
     $SQL$
     USING release_id;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION apply_artist_release_pending_updates()
 RETURNS trigger AS $$
@@ -1908,7 +1930,7 @@ BEGIN
 
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- Maintain musicbrainz.artist_release_group
@@ -1928,7 +1950,12 @@ BEGIN
             a_rg.artist,
             -- Withdrawn releases were once official by definition
             bool_and(r.status IS NOT NULL AND r.status != 1 AND r.status != 5),
+            rgpt.child_order::SMALLINT,
             rg.type::SMALLINT,
+            array_agg(
+                DISTINCT rgst.child_order ORDER BY rgst.child_order)
+                FILTER (WHERE rgst.child_order IS NOT NULL
+            )::SMALLINT[],
             array_agg(
                 DISTINCT st.secondary_type ORDER BY st.secondary_type)
                 FILTER (WHERE st.secondary_type IS NOT NULL
@@ -1938,7 +1965,7 @@ BEGIN
                 rgm.first_release_date_month,
                 rgm.first_release_date_day
             ),
-            left(rg.name, 1)::CHAR(1),
+            rg.name,
             rg.id
         FROM (
             SELECT FALSE AS is_track_artist, rgacn.artist, rg.id AS release_group
@@ -1954,15 +1981,17 @@ BEGIN
         JOIN release_group rg ON rg.id = a_rg.release_group
         LEFT JOIN release r ON r.release_group = rg.id
         JOIN release_group_meta rgm ON rgm.id = rg.id
+        LEFT JOIN release_group_primary_type rgpt ON rgpt.id = rg.type
         LEFT JOIN release_group_secondary_type_join st ON st.release_group = rg.id
+        LEFT JOIN release_group_secondary_type rgst ON rgst.id = st.secondary_type
     $SQL$ || (CASE WHEN release_group_id IS NULL THEN '' ELSE 'WHERE rg.id = $1' END) ||
     $SQL$
-        GROUP BY a_rg.is_track_artist, a_rg.artist, rgm.id, rg.id
+        GROUP BY a_rg.is_track_artist, a_rg.artist, rgm.id, rg.id, rgpt.child_order
         ORDER BY a_rg.artist, rg.id, a_rg.is_track_artist
     $SQL$
     USING release_group_id;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION apply_artist_release_group_pending_updates()
 RETURNS trigger AS $$
@@ -2002,7 +2031,7 @@ BEGIN
 
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- Relationship triggers
@@ -2019,7 +2048,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION a_upd_l_area_area_mirror() RETURNS trigger AS $$
 DECLARE
@@ -2043,7 +2072,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION a_del_l_area_area_mirror() RETURNS trigger AS $$
 DECLARE
@@ -2056,7 +2085,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION b_upd_link() RETURNS trigger AS $$
 BEGIN
@@ -2069,28 +2098,28 @@ BEGIN
     -- area_containment.
     RAISE EXCEPTION 'link rows are immutable';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION b_upd_link_attribute() RETURNS trigger AS $$
 BEGIN
     -- Refer to b_upd_link.
     RAISE EXCEPTION 'link_attribute rows are immutable';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION b_upd_link_attribute_credit() RETURNS trigger AS $$
 BEGIN
     -- Refer to b_upd_link.
     RAISE EXCEPTION 'link_attribute_credit rows are immutable';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION b_upd_link_attribute_text_value() RETURNS trigger AS $$
 BEGIN
     -- Refer to b_upd_link.
     RAISE EXCEPTION 'link_attribute_text_value rows are immutable';
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 -----------------------------------------------------------------------
 -- Maintain musicbrainz.area_containment
@@ -2131,7 +2160,7 @@ BEGIN
     $SQL$
     USING part_of_area_link_type_id, descendant_area_ids;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 -- Returns a set of area_containment rows that cover the entire descendant
 -- hierarchy for parent_area_ids.  If NULL is passed, the entire
@@ -2168,7 +2197,7 @@ BEGIN
     $SQL$
     USING part_of_area_link_type_id, parent_area_ids;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION update_area_containment_mirror(
     parent_ids INTEGER[], -- entity0 of area-area "part of"
@@ -2216,6 +2245,49 @@ BEGIN
       ) area_hierarchy
      ORDER BY descendant, parent, depth;
 END;
-$$ LANGUAGE plpgsql SET search_path = musicbrainz, public;
+$$ LANGUAGE plpgsql;
+
+-----------------------------------------------------------------------
+-- Editor data sanitization
+-----------------------------------------------------------------------
+
+CREATE OR REPLACE FUNCTION sanitize_editor(e editor) RETURNS editor AS $$
+    SELECT ROW(
+        e.id,
+        e.name,
+        0::INTEGER,
+        ''::VARCHAR(64),
+        NULL::VARCHAR(255),
+        NULL::TEXT,
+        e.member_since,
+        e.email_confirm_date,
+        now()::TIMESTAMP WITH TIME ZONE,
+        e.last_updated,
+        NULL::DATE,
+        NULL::INTEGER,
+        NULL::INTEGER,
+        '{CLEARTEXT}mb'::VARCHAR(128),
+        md5(e.name || ':musicbrainz.org:mb')::CHAR(32),
+        e.deleted
+    )::editor
+$$ LANGUAGE sql STABLE PARALLEL SAFE;
+
+-- Adding `STRICT` on `sanitize_editor` would prevent inlining/optimization
+-- when called via the `editor_sanitized` view.
+CREATE OR REPLACE FUNCTION sanitize_editor_strict(e editor) RETURNS editor AS $$
+    SELECT sanitize_editor(e)
+$$ LANGUAGE sql STABLE STRICT PARALLEL SAFE;
+
+CREATE OR REPLACE FUNCTION sanitize_dbmirror2_editor_data() RETURNS trigger AS $$
+BEGIN
+    NEW.olddata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.olddata)));
+    NEW.newdata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.newdata)));
+    IF NEW.op = 'u' AND NEW.olddata::JSONB = NEW.newdata::JSONB THEN
+        -- Only sanitized columns have changed. No need to log the update.
+        RETURN NULL;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
 
 -- vi: set ts=4 sw=4 et :
diff --git a/mbslave/sql/CreateIndexes.sql b/mbslave/sql/CreateIndexes.sql
index b5c0b69..8f48262 100644
--- a/mbslave/sql/CreateIndexes.sql
+++ b/mbslave/sql/CreateIndexes.sql
@@ -69,16 +69,16 @@ CREATE INDEX artist_rating_raw_idx_editor ON artist_rating_raw (editor);
 CREATE INDEX artist_tag_raw_idx_tag ON artist_tag_raw (tag);
 CREATE INDEX artist_tag_raw_idx_editor ON artist_tag_raw (editor);
 
-CREATE INDEX artist_release_nonva_idx_sort ON artist_release_nonva (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, sort_character, release);
-CREATE INDEX artist_release_va_idx_sort ON artist_release_va (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, sort_character, release);
+CREATE INDEX artist_release_nonva_idx_sort ON artist_release_nonva (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
+CREATE INDEX artist_release_va_idx_sort ON artist_release_va (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
 
 CREATE UNIQUE INDEX artist_release_nonva_idx_uniq ON artist_release_nonva (release, artist);
 CREATE UNIQUE INDEX artist_release_va_idx_uniq ON artist_release_va (release, artist);
 
 CREATE INDEX artist_release_pending_update_idx_release ON artist_release_pending_update USING HASH (release);
 
-CREATE INDEX artist_release_group_nonva_idx_sort ON artist_release_group_nonva (artist, unofficial, primary_type NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, sort_character, release_group);
-CREATE INDEX artist_release_group_va_idx_sort ON artist_release_group_va (artist, unofficial, primary_type NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, sort_character, release_group);
+CREATE INDEX artist_release_group_nonva_idx_sort ON artist_release_group_nonva (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
+CREATE INDEX artist_release_group_va_idx_sort ON artist_release_group_va (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
 
 CREATE UNIQUE INDEX artist_release_group_nonva_idx_uniq ON artist_release_group_nonva (release_group, artist);
 CREATE UNIQUE INDEX artist_release_group_va_idx_uniq ON artist_release_group_va (release_group, artist);
@@ -507,6 +507,8 @@ CREATE UNIQUE INDEX editor_collection_type_idx_gid ON editor_collection_type (gi
 CREATE UNIQUE INDEX cdtoc_idx_discid ON cdtoc (discid);
 CREATE INDEX cdtoc_idx_freedb_id ON cdtoc (freedb_id);
 
+CREATE UNIQUE INDEX medium_idx_gid ON medium (gid);
+
 CREATE INDEX medium_attribute_idx_medium ON medium_attribute (medium);
 
 CREATE UNIQUE INDEX medium_attribute_type_idx_gid ON medium_attribute_type (gid);
@@ -731,6 +733,7 @@ CREATE INDEX editor_collection_gid_redirect_idx_new_id ON editor_collection_gid_
 CREATE INDEX event_gid_redirect_idx_new_id ON event_gid_redirect (new_id);
 CREATE INDEX instrument_gid_redirect_idx_new_id ON instrument_gid_redirect (new_id);
 CREATE INDEX label_gid_redirect_idx_new_id ON label_gid_redirect (new_id);
+CREATE INDEX medium_gid_redirect_idx_new_id ON medium_gid_redirect (new_id);
 CREATE INDEX place_gid_redirect_idx_new_id ON place_gid_redirect (new_id);
 CREATE INDEX recording_gid_redirect_idx_new_id ON recording_gid_redirect (new_id);
 CREATE INDEX release_gid_redirect_idx_new_id ON release_gid_redirect (new_id);
diff --git a/mbslave/sql/CreateMirrorOnlyFunctions.sql b/mbslave/sql/CreateMirrorOnlyFunctions.sql
index 915d6e8..4836bf6 100644
--- a/mbslave/sql/CreateMirrorOnlyFunctions.sql
+++ b/mbslave/sql/CreateMirrorOnlyFunctions.sql
@@ -9,7 +9,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_mirror()
 RETURNS trigger AS $$
@@ -31,7 +31,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_mirror()
 RETURNS trigger AS $$
@@ -40,7 +40,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_event_mirror()
 RETURNS trigger AS $$
@@ -52,7 +52,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_event_mirror()
 RETURNS trigger AS $$
@@ -67,7 +67,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_event_mirror()
 RETURNS trigger AS $$
@@ -79,7 +79,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_group_mirror()
 RETURNS trigger AS $$
@@ -87,7 +87,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.id);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_group_mirror()
 RETURNS trigger AS $$
@@ -101,7 +101,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_group_mirror()
 RETURNS trigger AS $$
@@ -109,7 +109,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.id);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_group_meta_mirror()
 RETURNS trigger AS $$
@@ -123,7 +123,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_group_secondary_type_join_mirror()
 RETURNS trigger AS $$
@@ -131,7 +131,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (NEW.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_group_secondary_type_join_mirror()
 RETURNS trigger AS $$
@@ -139,7 +139,7 @@ BEGIN
     INSERT INTO artist_release_group_pending_update VALUES (OLD.release_group);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_release_label_mirror()
 RETURNS trigger AS $$
@@ -147,7 +147,7 @@ BEGIN
     INSERT INTO artist_release_pending_update VALUES (NEW.release);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_release_label_mirror()
 RETURNS trigger AS $$
@@ -157,7 +157,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_release_label_mirror()
 RETURNS trigger AS $$
@@ -165,7 +165,7 @@ BEGIN
     INSERT INTO artist_release_pending_update VALUES (OLD.release);
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_ins_track_mirror()
 RETURNS trigger AS $$
@@ -182,7 +182,7 @@ BEGIN
     );
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_upd_track_mirror()
 RETURNS trigger AS $$
@@ -203,7 +203,7 @@ BEGIN
     END IF;
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 CREATE OR REPLACE FUNCTION a_del_track_mirror()
 RETURNS trigger AS $$
@@ -220,6 +220,6 @@ BEGIN
     );
     RETURN NULL;
 END;
-$$ LANGUAGE 'plpgsql' SET search_path = musicbrainz, public;
+$$ LANGUAGE 'plpgsql';
 
 COMMIT;
diff --git a/mbslave/sql/CreateMirrorOnlyTriggers.sql b/mbslave/sql/CreateMirrorOnlyTriggers.sql
index 999542a..9875d9d 100644
--- a/mbslave/sql/CreateMirrorOnlyTriggers.sql
+++ b/mbslave/sql/CreateMirrorOnlyTriggers.sql
@@ -24,6 +24,9 @@ CREATE TRIGGER a_upd_l_area_area_mirror AFTER UPDATE ON l_area_area
 CREATE TRIGGER a_del_l_area_area_mirror AFTER DELETE ON l_area_area
     FOR EACH ROW EXECUTE PROCEDURE a_del_l_area_area_mirror();
 
+CREATE TRIGGER a_upd_medium AFTER UPDATE ON medium
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_medium_mirror();
+
 CREATE TRIGGER a_ins_release_mirror AFTER INSERT ON release
     FOR EACH ROW EXECUTE PROCEDURE a_ins_release_mirror();
 
@@ -63,6 +66,12 @@ CREATE TRIGGER a_del_release_group_mirror AFTER DELETE ON release_group
 CREATE TRIGGER a_upd_release_group_meta_mirror AFTER UPDATE ON release_group_meta
     FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_meta_mirror();
 
+CREATE TRIGGER a_upd_release_group_primary_type_mirror AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+CREATE TRIGGER a_upd_release_group_secondary_type_mirror AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
 CREATE TRIGGER a_ins_release_group_secondary_type_join_mirror AFTER INSERT ON release_group_secondary_type_join
     FOR EACH ROW EXECUTE PROCEDURE a_ins_release_group_secondary_type_join_mirror();
 
@@ -111,6 +120,18 @@ CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
     AFTER UPDATE ON release_group_meta DEFERRABLE INITIALLY DEFERRED
     FOR EACH ROW EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
 
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
 CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
     AFTER INSERT OR DELETE ON release_group_secondary_type_join DEFERRABLE INITIALLY DEFERRED
     FOR EACH ROW EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
diff --git a/mbslave/sql/CreatePrimaryKeys.sql b/mbslave/sql/CreatePrimaryKeys.sql
index 8724bab..7b1fb0f 100644
--- a/mbslave/sql/CreatePrimaryKeys.sql
+++ b/mbslave/sql/CreatePrimaryKeys.sql
@@ -264,6 +264,7 @@ ALTER TABLE medium_attribute_type_allowed_value ADD CONSTRAINT medium_attribute_
 ALTER TABLE medium_attribute_type_allowed_value_allowed_format ADD CONSTRAINT medium_attribute_type_allowed_value_allowed_format_pkey PRIMARY KEY (medium_format, medium_attribute_type_allowed_value);
 ALTER TABLE medium_cdtoc ADD CONSTRAINT medium_cdtoc_pkey PRIMARY KEY (id);
 ALTER TABLE medium_format ADD CONSTRAINT medium_format_pkey PRIMARY KEY (id);
+ALTER TABLE medium_gid_redirect ADD CONSTRAINT medium_gid_redirect_pkey PRIMARY KEY (gid);
 ALTER TABLE medium_index ADD CONSTRAINT medium_index_pkey PRIMARY KEY (medium);
 ALTER TABLE mood ADD CONSTRAINT mood_pkey PRIMARY KEY (id);
 ALTER TABLE mood_alias ADD CONSTRAINT mood_alias_pkey PRIMARY KEY (id);
diff --git a/mbslave/sql/CreateReplicationTriggers.sql b/mbslave/sql/CreateReplicationTriggers.sql
index f35f62d..d989a20 100644
--- a/mbslave/sql/CreateReplicationTriggers.sql
+++ b/mbslave/sql/CreateReplicationTriggers.sql
@@ -815,6 +815,10 @@ CREATE TRIGGER "reptg_medium_format"
 AFTER INSERT OR DELETE OR UPDATE ON "medium_format"
 FOR EACH ROW EXECUTE PROCEDURE "recordchange" ();
 
+CREATE TRIGGER "reptg_medium_gid_redirect"
+AFTER INSERT OR DELETE OR UPDATE ON "medium_gid_redirect"
+FOR EACH ROW EXECUTE PROCEDURE "recordchange" ('verbose');
+
 CREATE TRIGGER "reptg_medium_index"
 AFTER INSERT OR DELETE OR UPDATE ON "medium_index"
 FOR EACH ROW EXECUTE PROCEDURE "recordchange" ();
diff --git a/mbslave/sql/CreateReplicationTriggers2.sql b/mbslave/sql/CreateReplicationTriggers2.sql
index 1727b0a..fcc7e1b 100644
--- a/mbslave/sql/CreateReplicationTriggers2.sql
+++ b/mbslave/sql/CreateReplicationTriggers2.sql
@@ -143,6 +143,10 @@ CREATE TRIGGER reptg2_country_area
 AFTER INSERT OR DELETE OR UPDATE ON country_area
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
 
+CREATE TRIGGER reptg2_editor
+AFTER INSERT OR DELETE OR UPDATE ON editor
+FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
+
 CREATE TRIGGER reptg2_editor_collection_type
 AFTER INSERT OR DELETE OR UPDATE ON editor_collection_type
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
@@ -815,6 +819,10 @@ CREATE TRIGGER reptg2_medium_format
 AFTER INSERT OR DELETE OR UPDATE ON medium_format
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
 
+CREATE TRIGGER reptg2_medium_gid_redirect
+AFTER INSERT OR DELETE OR UPDATE ON medium_gid_redirect
+FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
+
 CREATE TRIGGER reptg2_medium_index
 AFTER INSERT OR DELETE OR UPDATE ON medium_index
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
@@ -911,6 +919,10 @@ CREATE TRIGGER reptg2_recording_attribute_type_allowed_value
 AFTER INSERT OR DELETE OR UPDATE ON recording_attribute_type_allowed_value
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
 
+CREATE TRIGGER reptg2_recording_first_release_date
+AFTER INSERT OR DELETE OR UPDATE ON recording_first_release_date
+FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
+
 CREATE TRIGGER reptg2_recording_gid_redirect
 AFTER INSERT OR DELETE OR UPDATE ON recording_gid_redirect
 FOR EACH ROW EXECUTE PROCEDURE dbmirror2.recordchange();
diff --git a/mbslave/sql/CreateTables.sql b/mbslave/sql/CreateTables.sql
index 7f3fabe..2776bab 100644
--- a/mbslave/sql/CreateTables.sql
+++ b/mbslave/sql/CreateTables.sql
@@ -429,15 +429,7 @@ CREATE TABLE artist_release (
     catalog_numbers                     TEXT[],
     country_code                        CHAR(2),
     barcode                             BIGINT,
-    -- Prior to adding these materialized tables, we'd order releases
-    -- by name only if all other attributes where equal. It's not too
-    -- common that an artist will have tons of releases with no dates,
-    -- catalog numbers, countries, or barcodes (though it can be seen
-    -- on some big composers). As a compromise between dropping the
-    -- name sorting and having to store the entire name here (which,
-    -- as a reminder, is duplicated for every artist on the release),
-    -- we only store the first character of the name for sorting.
-    sort_character                      CHAR(1) COLLATE musicbrainz NOT NULL,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
     release                             INTEGER NOT NULL -- references release.id, CASCADE
 ) PARTITION BY LIST (is_track_artist);
 
@@ -466,11 +458,12 @@ CREATE TABLE artist_release_group (
     is_track_artist                     BOOLEAN NOT NULL,
     artist                              INTEGER NOT NULL, -- references artist.id, CASCADE
     unofficial                          BOOLEAN NOT NULL,
+    primary_type_child_order            SMALLINT,
     primary_type                        SMALLINT,
+    secondary_type_child_orders         SMALLINT[],
     secondary_types                     SMALLINT[],
     first_release_date                  INTEGER,
-    -- See comment for `artist_release.sort_character`.
-    sort_character                      CHAR(1) COLLATE musicbrainz NOT NULL,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
     release_group                       INTEGER NOT NULL -- references release_group.id, CASCADE
 ) PARTITION BY LIST (is_track_artist);
 
@@ -678,8 +671,7 @@ CREATE TABLE edit_url
     url                 INTEGER NOT NULL  -- PK, references url.id CASCADE
 );
 
-CREATE TABLE editor
-(
+CREATE TABLE editor ( -- replicate
     id                  SERIAL,
     name                VARCHAR(64) NOT NULL,
     privs               INTEGER DEFAULT 0,
@@ -953,7 +945,7 @@ CREATE TABLE release_first_release_date (
     day         SMALLINT
 );
 
-CREATE TABLE recording_first_release_date (
+CREATE TABLE recording_first_release_date ( -- replicate
     recording   INTEGER NOT NULL, -- PK, references recording.id CASCADE
     year        SMALLINT,
     month       SMALLINT,
@@ -1183,7 +1175,6 @@ CREATE TABLE isrc ( -- replicate (verbose)
     id                  SERIAL,
     recording           INTEGER NOT NULL, -- references recording.id
     isrc                CHAR(12) NOT NULL CHECK (isrc ~ E'^[A-Z]{2}[A-Z0-9]{3}[0-9]{7}$'),
-    source              SMALLINT,
     edits_pending       INTEGER NOT NULL DEFAULT 0 CHECK (edits_pending >= 0),
     created             TIMESTAMP WITH TIME ZONE DEFAULT NOW()
 );
@@ -1192,7 +1183,6 @@ CREATE TABLE iswc ( -- replicate (verbose)
     id SERIAL NOT NULL,
     work INTEGER NOT NULL, -- references work.id
     iswc CHARACTER(15) CHECK (iswc ~ E'^T-?\\d{3}.?\\d{3}.?\\d{3}[-.]?\\d$'),
-    source SMALLINT,
     edits_pending INTEGER NOT NULL DEFAULT 0,
     created TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now()
 );
@@ -2907,7 +2897,8 @@ CREATE TABLE medium ( -- replicate (verbose)
     name                VARCHAR NOT NULL DEFAULT '',
     edits_pending       INTEGER NOT NULL DEFAULT 0 CHECK (edits_pending >= 0),
     last_updated        TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
-    track_count         INTEGER NOT NULL DEFAULT 0
+    track_count         INTEGER NOT NULL DEFAULT 0,
+    gid                 UUID NOT NULL
 );
 
 CREATE TABLE medium_attribute_type ( -- replicate (verbose)
@@ -2973,6 +2964,12 @@ CREATE TABLE medium_format ( -- replicate
     gid                 uuid NOT NULL
 );
 
+CREATE TABLE medium_gid_redirect ( -- replicate (verbose)
+    gid                 UUID NOT NULL, -- PK
+    new_id              INTEGER NOT NULL, -- references medium.id
+    created             TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
 CREATE TABLE mood ( -- replicate (verbose)
     id                  SERIAL, -- PK
     gid                 UUID NOT NULL,
diff --git a/mbslave/sql/CreateTriggers.sql b/mbslave/sql/CreateTriggers.sql
index 148c7f8..7f5ee5c 100644
--- a/mbslave/sql/CreateTriggers.sql
+++ b/mbslave/sql/CreateTriggers.sql
@@ -454,6 +454,9 @@ CREATE TRIGGER b_upd_link_type BEFORE UPDATE ON link_type
 CREATE TRIGGER b_upd_link_type_attribute_type BEFORE UPDATE ON link_type_attribute_type
     FOR EACH ROW EXECUTE PROCEDURE b_upd_last_updated_table();
 
+CREATE TRIGGER a_upd_medium AFTER UPDATE ON medium
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_medium_mirror();
+
 CREATE TRIGGER b_upd_medium BEFORE UPDATE ON medium
     FOR EACH ROW EXECUTE PROCEDURE b_upd_last_updated_table();
 
@@ -580,6 +583,12 @@ CREATE TRIGGER a_del_release_group AFTER DELETE ON release_group
 CREATE TRIGGER b_upd_release_group BEFORE UPDATE ON release_group
     FOR EACH ROW EXECUTE PROCEDURE b_upd_last_updated_table();
 
+CREATE TRIGGER a_upd_release_group_primary_type AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+CREATE TRIGGER a_upd_release_group_secondary_type AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
 CREATE TRIGGER a_ins_release_group_secondary_type_join AFTER INSERT ON release_group_secondary_type_join
     FOR EACH ROW EXECUTE PROCEDURE a_ins_release_group_secondary_type_join();
 
@@ -1299,6 +1308,18 @@ CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
     AFTER UPDATE ON release_group_meta DEFERRABLE INITIALLY DEFERRED
     FOR EACH ROW EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
 
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
 CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
     AFTER INSERT OR DELETE ON release_group_secondary_type_join DEFERRABLE INITIALLY DEFERRED
     FOR EACH ROW EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
diff --git a/mbslave/sql/CreateViews.sql b/mbslave/sql/CreateViews.sql
index 62639f9..185e0a3 100644
--- a/mbslave/sql/CreateViews.sql
+++ b/mbslave/sql/CreateViews.sql
@@ -83,6 +83,20 @@ CREATE OR REPLACE VIEW release_group_series AS
     LEFT OUTER JOIN link_attribute_text_value latv ON (latv.attribute_type = 788 AND latv.link = l.id)
     ORDER BY series, link_order;
 
+CREATE OR REPLACE VIEW series_series AS
+    SELECT entity0 AS series_part,
+           entity1 AS series,
+           lss.id AS relationship,
+           link_order,
+           lss.link,
+           COALESCE(text_value, '') AS text_value
+    FROM l_series_series lss
+    JOIN series s ON s.id = lss.entity1
+    JOIN link l ON l.id = lss.link
+    JOIN link_type lt ON (lt.id = l.link_type AND lt.gid = '8da75c99-46ff-373c-9d31-276ca8fa8cc3')
+    LEFT OUTER JOIN link_attribute_text_value latv ON (latv.attribute_type = 788 AND latv.link = l.id)
+    ORDER BY series, link_order;
+
 CREATE OR REPLACE VIEW work_series AS
     SELECT entity1 AS work,
            entity0 AS series,
@@ -107,6 +121,10 @@ CREATE OR REPLACE VIEW medium_track_durations AS
     JOIN track ON track.medium = medium.id
     GROUP BY medium.id;
 
+CREATE OR REPLACE VIEW editor_sanitized AS
+    SELECT (sanitize_editor(editor)).*
+    FROM editor;
+
 COMMIT;
 
 -- vi: set ts=4 sw=4 et :
diff --git a/mbslave/sql/DisableLastUpdatedTriggers.sql b/mbslave/sql/DisableLastUpdatedTriggers.sql
old mode 100755
new mode 100644
diff --git a/mbslave/sql/DropAllReplicationTriggers2.sql b/mbslave/sql/DropAllReplicationTriggers2.sql
new file mode 100644
index 0000000..22e4dc5
--- /dev/null
+++ b/mbslave/sql/DropAllReplicationTriggers2.sql
@@ -0,0 +1,7 @@
+-- Helper script to drop all dbmirror2 replication triggers.
+\ir DropReplicationTriggers2.sql
+\ir caa/DropReplicationTriggers2.sql
+\ir documentation/DropReplicationTriggers2.sql
+\ir statistics/DropReplicationTriggers2.sql
+\ir eaa/DropReplicationTriggers2.sql
+\ir wikidocs/DropReplicationTriggers2.sql
diff --git a/mbslave/sql/DropCustomReplicationTriggers2.sql b/mbslave/sql/DropCustomReplicationTriggers2.sql
new file mode 100644
index 0000000..9f7e319
--- /dev/null
+++ b/mbslave/sql/DropCustomReplicationTriggers2.sql
@@ -0,0 +1,4 @@
+-- Automatically generated, do not edit.
+\unset ON_ERROR_STOP
+
+DROP TRIGGER IF EXISTS sanitize_dbmirror2_editor_data ON dbmirror2.pending_data;
diff --git a/mbslave/sql/DropFKConstraints.sql b/mbslave/sql/DropFKConstraints.sql
index 0d4eadf..5c03596 100644
--- a/mbslave/sql/DropFKConstraints.sql
+++ b/mbslave/sql/DropFKConstraints.sql
@@ -597,6 +597,7 @@ ALTER TABLE medium_attribute_type_allowed_value_allowed_format DROP CONSTRAINT I
 ALTER TABLE medium_cdtoc DROP CONSTRAINT IF EXISTS medium_cdtoc_fk_medium;
 ALTER TABLE medium_cdtoc DROP CONSTRAINT IF EXISTS medium_cdtoc_fk_cdtoc;
 ALTER TABLE medium_format DROP CONSTRAINT IF EXISTS medium_format_fk_parent;
+ALTER TABLE medium_gid_redirect DROP CONSTRAINT IF EXISTS medium_gid_redirect_fk_new_id;
 ALTER TABLE medium_index DROP CONSTRAINT IF EXISTS medium_index_fk_medium;
 ALTER TABLE mood_alias DROP CONSTRAINT IF EXISTS mood_alias_fk_mood;
 ALTER TABLE mood_alias DROP CONSTRAINT IF EXISTS mood_alias_fk_type;
diff --git a/mbslave/sql/DropFunctions.sql b/mbslave/sql/DropFunctions.sql
index e37ad16..8f108bc 100644
--- a/mbslave/sql/DropFunctions.sql
+++ b/mbslave/sql/DropFunctions.sql
@@ -35,10 +35,13 @@ DROP FUNCTION a_upd_alternative_release_or_track();
 DROP FUNCTION a_upd_edit();
 DROP FUNCTION a_upd_instrument();
 DROP FUNCTION a_upd_l_area_area_mirror();
+DROP FUNCTION a_upd_medium_mirror();
 DROP FUNCTION a_upd_recording();
 DROP FUNCTION a_upd_release();
 DROP FUNCTION a_upd_release_event();
 DROP FUNCTION a_upd_release_group();
+DROP FUNCTION a_upd_release_group_primary_type_mirror();
+DROP FUNCTION a_upd_release_group_secondary_type_mirror();
 DROP FUNCTION a_upd_release_label();
 DROP FUNCTION a_upd_track();
 DROP FUNCTION apply_artist_release_group_pending_updates();
@@ -102,6 +105,10 @@ DROP FUNCTION remove_unused_links();
 DROP FUNCTION remove_unused_url();
 DROP FUNCTION replace_old_sub_on_add();
 DROP FUNCTION restore_collection_sub_on_public();
+DROP FUNCTION sanitize_dbmirror2_editor_data();
+DROP FUNCTION sanitize_editor(e editor);
+DROP FUNCTION sanitize_editor_strict(e editor);
+DROP FUNCTION set_mediums_recordings_first_release_dates(medium_ids INTEGER[]);
 DROP FUNCTION set_recordings_first_release_dates(recording_ids INTEGER[]);
 DROP FUNCTION set_release_first_release_date(release_id INTEGER);
 DROP FUNCTION set_release_group_first_release_date(release_group_id INTEGER);
diff --git a/mbslave/sql/DropIndexes.sql b/mbslave/sql/DropIndexes.sql
index 4e83c1e..a9b8e00 100644
--- a/mbslave/sql/DropIndexes.sql
+++ b/mbslave/sql/DropIndexes.sql
@@ -403,6 +403,8 @@ DROP INDEX medium_cdtoc_idx_cdtoc;
 DROP INDEX medium_cdtoc_idx_medium;
 DROP INDEX medium_cdtoc_idx_uniq;
 DROP INDEX medium_format_idx_gid;
+DROP INDEX medium_gid_redirect_idx_new_id;
+DROP INDEX medium_idx_gid;
 DROP INDEX medium_idx_track_count;
 DROP INDEX medium_index_idx;
 DROP INDEX mood_alias_idx_mood;
diff --git a/mbslave/sql/DropMirrorOnlyTriggers.sql b/mbslave/sql/DropMirrorOnlyTriggers.sql
index 136d008..2ffd455 100644
--- a/mbslave/sql/DropMirrorOnlyTriggers.sql
+++ b/mbslave/sql/DropMirrorOnlyTriggers.sql
@@ -4,6 +4,7 @@
 DROP TRIGGER IF EXISTS a_ins_l_area_area_mirror ON l_area_area;
 DROP TRIGGER IF EXISTS a_upd_l_area_area_mirror ON l_area_area;
 DROP TRIGGER IF EXISTS a_del_l_area_area_mirror ON l_area_area;
+DROP TRIGGER IF EXISTS a_upd_medium ON medium;
 DROP TRIGGER IF EXISTS a_ins_release_mirror ON release;
 DROP TRIGGER IF EXISTS a_upd_release_mirror ON release;
 DROP TRIGGER IF EXISTS a_del_release_mirror ON release;
@@ -17,6 +18,8 @@ DROP TRIGGER IF EXISTS a_ins_release_group_mirror ON release_group;
 DROP TRIGGER IF EXISTS a_upd_release_group_mirror ON release_group;
 DROP TRIGGER IF EXISTS a_del_release_group_mirror ON release_group;
 DROP TRIGGER IF EXISTS a_upd_release_group_meta_mirror ON release_group_meta;
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type_mirror ON release_group_primary_type;
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type_mirror ON release_group_secondary_type;
 DROP TRIGGER IF EXISTS a_ins_release_group_secondary_type_join_mirror ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS a_del_release_group_secondary_type_join_mirror ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS a_ins_release_label_mirror ON release_label;
@@ -31,6 +34,8 @@ DROP TRIGGER IF EXISTS apply_artist_release_pending_updates_mirror ON release_co
 DROP TRIGGER IF EXISTS apply_artist_release_pending_updates_mirror ON release_first_release_date;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_meta;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_primary_type;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_secondary_type;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS apply_artist_release_pending_updates_mirror ON release_label;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON track;
diff --git a/mbslave/sql/DropPrimaryKeys.sql b/mbslave/sql/DropPrimaryKeys.sql
index b16b198..0edea17 100644
--- a/mbslave/sql/DropPrimaryKeys.sql
+++ b/mbslave/sql/DropPrimaryKeys.sql
@@ -264,6 +264,7 @@ ALTER TABLE medium_attribute_type_allowed_value DROP CONSTRAINT IF EXISTS medium
 ALTER TABLE medium_attribute_type_allowed_value_allowed_format DROP CONSTRAINT IF EXISTS medium_attribute_type_allowed_value_allowed_format_pkey;
 ALTER TABLE medium_cdtoc DROP CONSTRAINT IF EXISTS medium_cdtoc_pkey;
 ALTER TABLE medium_format DROP CONSTRAINT IF EXISTS medium_format_pkey;
+ALTER TABLE medium_gid_redirect DROP CONSTRAINT IF EXISTS medium_gid_redirect_pkey;
 ALTER TABLE medium_index DROP CONSTRAINT IF EXISTS medium_index_pkey;
 ALTER TABLE mood DROP CONSTRAINT IF EXISTS mood_pkey;
 ALTER TABLE mood_alias DROP CONSTRAINT IF EXISTS mood_alias_pkey;
diff --git a/mbslave/sql/DropReplicationTriggers.sql b/mbslave/sql/DropReplicationTriggers.sql
index 1a48ba5..4c1fa3e 100644
--- a/mbslave/sql/DropReplicationTriggers.sql
+++ b/mbslave/sql/DropReplicationTriggers.sql
@@ -204,6 +204,7 @@ DROP TRIGGER IF EXISTS reptg_medium_attribute_type_allowed_value ON medium_attri
 DROP TRIGGER IF EXISTS reptg_medium_attribute_type_allowed_value_allowed_format ON medium_attribute_type_allowed_value_allowed_format;
 DROP TRIGGER IF EXISTS reptg_medium_cdtoc ON medium_cdtoc;
 DROP TRIGGER IF EXISTS reptg_medium_format ON medium_format;
+DROP TRIGGER IF EXISTS reptg_medium_gid_redirect ON medium_gid_redirect;
 DROP TRIGGER IF EXISTS reptg_medium_index ON medium_index;
 DROP TRIGGER IF EXISTS reptg_mood ON mood;
 DROP TRIGGER IF EXISTS reptg_mood_alias ON mood_alias;
diff --git a/mbslave/sql/DropReplicationTriggers2.sql b/mbslave/sql/DropReplicationTriggers2.sql
index 7474e75..48b568c 100644
--- a/mbslave/sql/DropReplicationTriggers2.sql
+++ b/mbslave/sql/DropReplicationTriggers2.sql
@@ -36,6 +36,7 @@ DROP TRIGGER IF EXISTS reptg2_artist_type ON artist_type;
 DROP TRIGGER IF EXISTS reptg2_cdtoc ON cdtoc;
 DROP TRIGGER IF EXISTS reptg2_cdtoc_raw ON cdtoc_raw;
 DROP TRIGGER IF EXISTS reptg2_country_area ON country_area;
+DROP TRIGGER IF EXISTS reptg2_editor ON editor;
 DROP TRIGGER IF EXISTS reptg2_editor_collection_type ON editor_collection_type;
 DROP TRIGGER IF EXISTS reptg2_event ON event;
 DROP TRIGGER IF EXISTS reptg2_event_alias ON event_alias;
@@ -204,6 +205,7 @@ DROP TRIGGER IF EXISTS reptg2_medium_attribute_type_allowed_value ON medium_attr
 DROP TRIGGER IF EXISTS reptg2_medium_attribute_type_allowed_value_allowed_format ON medium_attribute_type_allowed_value_allowed_format;
 DROP TRIGGER IF EXISTS reptg2_medium_cdtoc ON medium_cdtoc;
 DROP TRIGGER IF EXISTS reptg2_medium_format ON medium_format;
+DROP TRIGGER IF EXISTS reptg2_medium_gid_redirect ON medium_gid_redirect;
 DROP TRIGGER IF EXISTS reptg2_medium_index ON medium_index;
 DROP TRIGGER IF EXISTS reptg2_mood ON mood;
 DROP TRIGGER IF EXISTS reptg2_mood_alias ON mood_alias;
@@ -228,6 +230,7 @@ DROP TRIGGER IF EXISTS reptg2_recording_annotation ON recording_annotation;
 DROP TRIGGER IF EXISTS reptg2_recording_attribute ON recording_attribute;
 DROP TRIGGER IF EXISTS reptg2_recording_attribute_type ON recording_attribute_type;
 DROP TRIGGER IF EXISTS reptg2_recording_attribute_type_allowed_value ON recording_attribute_type_allowed_value;
+DROP TRIGGER IF EXISTS reptg2_recording_first_release_date ON recording_first_release_date;
 DROP TRIGGER IF EXISTS reptg2_recording_gid_redirect ON recording_gid_redirect;
 DROP TRIGGER IF EXISTS reptg2_recording_meta ON recording_meta;
 DROP TRIGGER IF EXISTS reptg2_recording_tag ON recording_tag;
diff --git a/mbslave/sql/DropTables.sql b/mbslave/sql/DropTables.sql
index 8eb5357..6d1e53e 100644
--- a/mbslave/sql/DropTables.sql
+++ b/mbslave/sql/DropTables.sql
@@ -268,6 +268,7 @@ DROP TABLE medium_attribute_type_allowed_value;
 DROP TABLE medium_attribute_type_allowed_value_allowed_format;
 DROP TABLE medium_cdtoc;
 DROP TABLE medium_format;
+DROP TABLE medium_gid_redirect;
 DROP TABLE medium_index;
 DROP TABLE mood;
 DROP TABLE mood_alias;
diff --git a/mbslave/sql/DropTriggers.sql b/mbslave/sql/DropTriggers.sql
index 17e54e9..9920e57 100644
--- a/mbslave/sql/DropTriggers.sql
+++ b/mbslave/sql/DropTriggers.sql
@@ -152,6 +152,7 @@ DROP TRIGGER IF EXISTS b_upd_link_attribute_text_value ON link_attribute_text_va
 DROP TRIGGER IF EXISTS b_upd_link_attribute_type ON link_attribute_type;
 DROP TRIGGER IF EXISTS b_upd_link_type ON link_type;
 DROP TRIGGER IF EXISTS b_upd_link_type_attribute_type ON link_type_attribute_type;
+DROP TRIGGER IF EXISTS a_upd_medium ON medium;
 DROP TRIGGER IF EXISTS b_upd_medium ON medium;
 DROP TRIGGER IF EXISTS b_upd_medium_cdtoc ON medium_cdtoc;
 DROP TRIGGER IF EXISTS b_upd_mood ON mood;
@@ -194,6 +195,8 @@ DROP TRIGGER IF EXISTS a_ins_release_group ON release_group;
 DROP TRIGGER IF EXISTS a_upd_release_group ON release_group;
 DROP TRIGGER IF EXISTS a_del_release_group ON release_group;
 DROP TRIGGER IF EXISTS b_upd_release_group ON release_group;
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type ON release_group_primary_type;
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type ON release_group_secondary_type;
 DROP TRIGGER IF EXISTS a_ins_release_group_secondary_type_join ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS a_del_release_group_secondary_type_join ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS b_upd_release_group_secondary_type_join ON release_group_secondary_type_join;
@@ -386,6 +389,8 @@ DROP TRIGGER IF EXISTS apply_artist_release_pending_updates ON release_country;
 DROP TRIGGER IF EXISTS apply_artist_release_pending_updates ON release_first_release_date;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_meta;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_primary_type;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_secondary_type;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_secondary_type_join;
 DROP TRIGGER IF EXISTS apply_artist_release_pending_updates ON release_label;
 DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON track;
diff --git a/mbslave/sql/DropViews.sql b/mbslave/sql/DropViews.sql
index 3b532a0..3fb3c77 100644
--- a/mbslave/sql/DropViews.sql
+++ b/mbslave/sql/DropViews.sql
@@ -2,10 +2,12 @@
 \unset ON_ERROR_STOP
 
 DROP VIEW artist_series;
+DROP VIEW editor_sanitized;
 DROP VIEW event_series;
 DROP VIEW medium_track_durations;
 DROP VIEW recording_series;
 DROP VIEW release_event;
 DROP VIEW release_group_series;
 DROP VIEW release_series;
+DROP VIEW series_series;
 DROP VIEW work_series;
diff --git a/mbslave/sql/EnableLastUpdatedTriggers.sql b/mbslave/sql/EnableLastUpdatedTriggers.sql
old mode 100755
new mode 100644
diff --git a/mbslave/sql/InsertTestData.sql b/mbslave/sql/InsertTestData.sql
index 0fecd6c..8914845 100644
--- a/mbslave/sql/InsertTestData.sql
+++ b/mbslave/sql/InsertTestData.sql
@@ -110,8 +110,8 @@ INSERT INTO release_label (id, release, label, catalog_number)
 INSERT INTO url (id, gid, url)
     VALUES (1, '9201840b-d810-4e0f-bb75-c791205f5b24', 'http://musicbrainz.org/');
 
-INSERT INTO medium (id, release, position, format, name) VALUES (1, 1, 1, 1, 'The First Disc');
-INSERT INTO medium (id, release, position, format, name) VALUES (2, 1, 2, 1, 'The Second Disc');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (1, 'e67d7889-d617-478f-acc2-40012aec59f5', 1, 1, 1, 'The First Disc');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (2, 'e692e77f-8670-4c1c-b880-8c3d23d14f04', 1, 2, 1, 'The Second Disc');
 
 INSERT INTO track (id, gid, recording, medium, position, number, name, artist_credit, length)
     VALUES (1, '3fd2523e-1ced-4f83-8b93-c7ecf6960b32', 1, 1, 1, 1, 1, 2, 123456);
@@ -157,11 +157,11 @@ INSERT INTO release_label (id, release, label, catalog_number)
 INSERT INTO release_label (id, release, label, catalog_number)
     VALUES (4, 3, 2, '82796 97772 2');
 
-INSERT INTO medium (id, release, position, format, name) VALUES (3, 2, 1, 1, 'A Sea of Honey');
-INSERT INTO medium (id, release, position, format, name) VALUES (4, 2, 2, 1, 'A Sky of Honey');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (3, '6ff40540-7c91-4d0d-bbdd-a199edb45e08', 2, 1, 1, 'A Sea of Honey');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (4, '76e93539-2c4a-4e24-b3ad-79657cb8185e', 2, 2, 1, 'A Sky of Honey');
 
-INSERT INTO medium (id, release, position, format, name) VALUES (5, 3, 1, 1, 'A Sea of Honey');
-INSERT INTO medium (id, release, position, format, name) VALUES (6, 3, 2, 1, 'A Sky of Honey');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (5, '84130ff4-50bb-45cf-a3db-454236a59bc4', 3, 1, 1, 'A Sea of Honey');
+INSERT INTO medium (id, gid, release, position, format, name) VALUES (6, '0e8c3742-21be-48ec-8672-138cd0e6d178', 3, 2, 1, 'A Sky of Honey');
 
 INSERT INTO recording (id, gid, name, artist_credit, length, last_updated) VALUES
     (2, '54b9d183-7dab-42ba-94a3-7388a66604b8', 'King of the Mountain', 3, 293720, '2020-02-20 19:00:00');
@@ -242,6 +242,7 @@ INSERT INTO isrc (isrc, recording) VALUES ('DEE250800230', 2);
 INSERT INTO link (id, link_type, attribute_count) VALUES (1, 148, 1);
 INSERT INTO link (id, link_type, attribute_count) VALUES (2, 148, 2);
 INSERT INTO link (id, link_type, attribute_count, begin_date_year) VALUES (3, 183, 0, 2006);
+INSERT INTO link (id, link_type, attribute_count) VALUES (4, 108, 0);
 
 INSERT INTO link_attribute (link, attribute_type) VALUES (1, 229);
 INSERT INTO link_attribute (link, attribute_type) VALUES (2, 1);
@@ -256,6 +257,7 @@ INSERT INTO artist (id, gid, name, sort_name, comment) VALUES
 INSERT INTO event (id, gid, name, begin_date_year, begin_date_month, begin_date_day, end_date_year, end_date_month, end_date_day, time, type, cancelled, setlist, comment, ended)
     VALUES (59357, 'ca1d24c1-1999-46fd-8a95-3d4108df5cb2', 'BBC Open Music Prom', 2022, 9, 1, 2022, 9, 1, '19:30:00', 1, 'f', NULL, '2022, Prom 60', 't');
 
+INSERT INTO l_artist_artist (id, link, entity0, entity1) VALUES (1, 4, 8, 9);
 INSERT INTO l_artist_recording (id, link, entity0, entity1) VALUES (1, 1, 8, 2);
 INSERT INTO l_artist_recording (id, link, entity0, entity1, edits_pending) VALUES (2, 1, 9, 2, 1);
 INSERT INTO l_artist_recording (id, link, entity0, entity1) VALUES (3, 2, 8, 3);
diff --git a/mbslave/sql/TruncateTables.sql b/mbslave/sql/TruncateTables.sql
index db1e112..a9daad7 100644
--- a/mbslave/sql/TruncateTables.sql
+++ b/mbslave/sql/TruncateTables.sql
@@ -268,6 +268,7 @@ TRUNCATE TABLE medium_attribute_type_allowed_value RESTART IDENTITY CASCADE;
 TRUNCATE TABLE medium_attribute_type_allowed_value_allowed_format RESTART IDENTITY CASCADE;
 TRUNCATE TABLE medium_cdtoc RESTART IDENTITY CASCADE;
 TRUNCATE TABLE medium_format RESTART IDENTITY CASCADE;
+TRUNCATE TABLE medium_gid_redirect RESTART IDENTITY CASCADE;
 TRUNCATE TABLE medium_index RESTART IDENTITY CASCADE;
 TRUNCATE TABLE mood RESTART IDENTITY CASCADE;
 TRUNCATE TABLE mood_alias RESTART IDENTITY CASCADE;
diff --git a/mbslave/sql/caa/CreateMQTriggers.sql b/mbslave/sql/caa/CreateMQTriggers.sql
deleted file mode 100644
index b508800..0000000
--- a/mbslave/sql/caa/CreateMQTriggers.sql
+++ /dev/null
@@ -1,148 +0,0 @@
-BEGIN;
-
-SET search_path = 'cover_art_archive';
-
-CREATE OR REPLACE FUNCTION reindex_release() RETURNS trigger AS $$
-    DECLARE
-        release_mbid UUID;
-    BEGIN
-        SELECT gid INTO release_mbid
-        FROM musicbrainz.release r
-        JOIN cover_art_archive.cover_art caa_r ON r.id = caa_r.release
-        WHERE r.id = NEW.id;
-
-        IF FOUND THEN
-            PERFORM amqp.publish(1, 'cover-art-archive', 'index', release_mbid::text);
-        END IF;
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_reindex AFTER UPDATE OR INSERT
-ON musicbrainz.release FOR EACH ROW
-EXECUTE PROCEDURE reindex_release();
-
-CREATE OR REPLACE FUNCTION reindex_artist() RETURNS trigger AS $$
-    BEGIN
-        -- Short circuit if the name hasn't changed
-        IF NEW.name = OLD.name AND NEW.sort_name = OLD.sort_name THEN
-            RETURN NULL;
-        END IF;
-
-        PERFORM amqp.publish(1, 'cover-art-archive', 'index', r.gid::text)
-        FROM musicbrainz.release r
-        JOIN cover_art_archive.cover_art caa_r ON r.id = caa_r.release
-        JOIN musicbrainz.artist_credit_name acn ON r.artist_credit = acn.artist_credit
-        WHERE acn.artist = NEW.id;
-
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_reindex AFTER UPDATE
-ON musicbrainz.artist FOR EACH ROW
-EXECUTE PROCEDURE reindex_artist();
-
-CREATE OR REPLACE FUNCTION reindex_release_via_catno() RETURNS trigger AS $$
-    DECLARE
-        release_mbid UUID;
-    BEGIN
-        SELECT gid INTO release_mbid
-        FROM musicbrainz.release
-        JOIN musicbrainz.release_label ON release_label.release = release.id
-        JOIN cover_art_archive.cover_art caa_r ON release.id = caa_r.release
-        WHERE release.id = NEW.release;
-
-        IF FOUND THEN
-            PERFORM amqp.publish(1, 'cover-art-archive', 'index', release_mbid::text);
-        END IF;
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_reindex AFTER UPDATE OR INSERT
-ON musicbrainz.release_label FOR EACH ROW
-EXECUTE PROCEDURE reindex_release_via_catno();
-
-CREATE OR REPLACE FUNCTION reindex_caa() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'cover-art-archive', 'index', gid::text)
-        FROM musicbrainz.release
-        WHERE id = coalesce((
-                     CASE TG_OP
-                         WHEN 'DELETE' THEN OLD.release
-                         ELSE NEW.release
-                     END));
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_reindex AFTER UPDATE OR INSERT OR DELETE
-ON cover_art_archive.cover_art FOR EACH ROW
-EXECUTE PROCEDURE reindex_caa();
-
-CREATE OR REPLACE FUNCTION reindex_caa_type() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'cover-art-archive', 'index', r.gid::text)
-        FROM musicbrainz.release r
-        JOIN cover_art_archive.cover_art ca ON r.id = ca.release
-        WHERE ca.id = coalesce((
-                     CASE TG_OP
-                         WHEN 'DELETE' THEN OLD.id
-                         ELSE NEW.id
-                     END));
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_reindex AFTER UPDATE OR INSERT OR DELETE
-ON cover_art_archive.cover_art_type FOR EACH ROW
-EXECUTE PROCEDURE reindex_caa_type();
-
-CREATE OR REPLACE FUNCTION caa_move() RETURNS trigger AS $$
-    BEGIN
-        IF OLD.release != NEW.release THEN
-            PERFORM amqp.publish(1, 'cover-art-archive', 'move',
-                      (SELECT ca.id || E'\n' ||
-                              old_release.gid || E'\n' ||
-                              new_release.gid || E'\n' ||
-                              it.suffix || E'\n'
-                       FROM cover_art_archive.cover_art ca
-                       JOIN cover_art_archive.image_type it ON it.mime_type = ca.mime_type,
-                         musicbrainz.release old_release,
-                         musicbrainz.release new_release
-                       WHERE ca.id = OLD.id
-                       AND old_release.id = OLD.release
-                       AND new_release.id = NEW.release));
-        END IF;
-        RETURN NEW;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_move BEFORE UPDATE
-ON cover_art_archive.cover_art FOR EACH ROW
-EXECUTE PROCEDURE caa_move();
-
-CREATE OR REPLACE FUNCTION delete_release() RETURNS trigger AS $$
-    BEGIN
-        PERFORM
-          amqp.publish(1, 'cover-art-archive', 'delete',
-            (cover_art.id || E'\n' || OLD.gid || E'\n' || image_type.suffix)::text)
-        FROM cover_art_archive.cover_art
-        JOIN cover_art_archive.image_type ON image_type.mime_type = cover_art.mime_type
-        WHERE release = OLD.id;
-
-        PERFORM amqp.publish(1, 'cover-art-archive', 'delete',
-            ('index.json' || E'\n' || OLD.gid)::text)
-        FROM musicbrainz.release
-        WHERE release.id = OLD.id;
-
-        RETURN OLD;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER caa_delete BEFORE DELETE
-ON musicbrainz.release FOR EACH ROW
-EXECUTE PROCEDURE delete_release();
-
-COMMIT;
diff --git a/mbslave/sql/caa/CreateViews.sql b/mbslave/sql/caa/CreateViews.sql
index c9cbac3..e005e2c 100644
--- a/mbslave/sql/caa/CreateViews.sql
+++ b/mbslave/sql/caa/CreateViews.sql
@@ -11,7 +11,6 @@ SELECT cover_art.*,
                    JOIN cover_art_archive.cover_art ca_front USING (id)
                    WHERE ca_front.release = cover_art.release
                    AND type_id = 1
-                   AND mime_type != 'application/pdf'
                    ORDER BY ca_front.ordering
                    LIMIT 1), FALSE) AS is_front,
   coalesce(cover_art.id = (SELECT id FROM cover_art_archive.cover_art_type
diff --git a/mbslave/sql/caa/DropMQTriggers.sql b/mbslave/sql/caa/DropMQTriggers.sql
deleted file mode 100644
index b6449b2..0000000
--- a/mbslave/sql/caa/DropMQTriggers.sql
+++ /dev/null
@@ -1,19 +0,0 @@
-BEGIN;
-
-DROP TRIGGER caa_reindex ON musicbrainz.artist;
-DROP TRIGGER caa_reindex ON musicbrainz.release;
-DROP TRIGGER caa_reindex ON musicbrainz.release_label;
-DROP TRIGGER caa_reindex ON cover_art_archive.cover_art;
-DROP TRIGGER caa_reindex ON cover_art_archive.cover_art_type;
-DROP TRIGGER caa_move ON cover_art_archive.cover_art;
-DROP TRIGGER caa_delete ON musicbrainz.release;
-
-DROP FUNCTION cover_art_archive.reindex_release ();
-DROP FUNCTION cover_art_archive.reindex_artist ();
-DROP FUNCTION cover_art_archive.reindex_release_via_catno ();
-DROP FUNCTION cover_art_archive.reindex_caa ();
-DROP FUNCTION cover_art_archive.reindex_caa_type ();
-DROP FUNCTION cover_art_archive.caa_move ();
-DROP FUNCTION cover_art_archive.delete_release ();
-
-COMMIT;
diff --git a/mbslave/sql/dbmirror2/README b/mbslave/sql/dbmirror2/README
index 1598c4a..c8ab121 100644
--- a/mbslave/sql/dbmirror2/README
+++ b/mbslave/sql/dbmirror2/README
@@ -1,6 +1,6 @@
-ReplicationSetup.sql and MasterSetup.sql are copied from
-https://github.com/metabrainz/dbmirror2, commit eda9923. (These are the only
-two files we need, and submodules are "difficult.")
+dbmirror2.sql is copied from https://github.com/metabrainz/dbmirror2,
+commit 5f26872. (This is the only file we need, and submodules are
+"difficult.")
 
 This is not a fork; please do not make any changes to the files here without
 first submitting them upstream to dbmirror2. They should exactly mirror the
diff --git a/mbslave/sql/dbmirror2/RefreshColumnInfo.sql b/mbslave/sql/dbmirror2/RefreshColumnInfo.sql
deleted file mode 100644
index ded9dde..0000000
--- a/mbslave/sql/dbmirror2/RefreshColumnInfo.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-\set ON_ERROR_STOP 1
-
-BEGIN;
-
-DO $$
-BEGIN
-  PERFORM 1 FROM pg_matviews
-  WHERE schemaname = 'dbmirror2'
-  AND matviewname = 'column_info';
-
-  IF FOUND THEN
-    REFRESH MATERIALIZED VIEW dbmirror2.column_info;
-  END IF;
-END $$;
-
-COMMIT;
diff --git a/mbslave/sql/dbmirror2/ReplicationSetup.sql b/mbslave/sql/dbmirror2/ReplicationSetup.sql
deleted file mode 100644
index 659a7bf..0000000
--- a/mbslave/sql/dbmirror2/ReplicationSetup.sql
+++ /dev/null
@@ -1,54 +0,0 @@
--- Copyright (C) 2021 MetaBrainz Foundation
--- Licensed under the GPL version 2, or (at your option) any later version:
--- http://www.gnu.org/licenses/gpl-2.0.txt
-
-BEGIN;
-
--- The pending_keys tables serves two purposes:
---  1. Stores the primary keys associated with each table.
---  2. Allows quickly checking if a particular table has changed
---     in the packet.
-CREATE TABLE dbmirror2.pending_keys (
-    tablename   TEXT,
-    keys        TEXT[] NOT NULL
-);
-
-ALTER TABLE dbmirror2.pending_keys
-    ADD CONSTRAINT pending_keys_pkey
-    PRIMARY KEY (tablename);
-
-CREATE TABLE dbmirror2.pending_ts (
-    xid BIGINT,
-    ts TIMESTAMP WITH TIME ZONE NOT NULL
-);
-
-ALTER TABLE dbmirror2.pending_ts
-    ADD CONSTRAINT pending_ts_pkey
-    PRIMARY KEY (xid);
-
-CREATE TABLE dbmirror2.pending_data (
-    seqid       BIGSERIAL,
-    tablename   TEXT NOT NULL CONSTRAINT tablename_exists CHECK (to_regclass(tablename) IS NOT NULL),
-    op          "char" NOT NULL CONSTRAINT op_in_diu CHECK (op IN ('d', 'i', 'u')),
-    xid         BIGINT NOT NULL,
-                -- We use JSON over JSONB because there is no need to perform
-                -- operations on the data; this additionally lets us store the
-                -- keys in column-order, which makes the packets much easier
-                -- to read while debugging.
-    olddata     JSON CONSTRAINT olddata_is_null_for_inserts CHECK ((olddata IS NULL) = (op = 'i')),
-    newdata     JSON CONSTRAINT newdata_is_null_for_deletes CHECK ((newdata IS NULL) = (op = 'd')),
-    oldctid     TID,
-    trgdepth    INTEGER
-);
-
-ALTER TABLE dbmirror2.pending_data
-    ADD CONSTRAINT pending_data_pkey
-    PRIMARY KEY (seqid);
-
-CREATE INDEX pending_data_idx_xid_seqid
-    ON dbmirror2.pending_data (xid, seqid);
-
-CREATE INDEX pending_data_idx_oldctid_xid
-    ON dbmirror2.pending_data (oldctid, xid);
-
-COMMIT;
diff --git a/mbslave/sql/dbmirror2/MasterSetup.sql b/mbslave/sql/dbmirror2/dbmirror2.sql
similarity index 68%
rename from mbslave/sql/dbmirror2/MasterSetup.sql
rename to mbslave/sql/dbmirror2/dbmirror2.sql
index d4c6481..71d28ac 100644
--- a/mbslave/sql/dbmirror2/MasterSetup.sql
+++ b/mbslave/sql/dbmirror2/dbmirror2.sql
@@ -4,41 +4,6 @@
 
 BEGIN;
 
--- The column_info view allows us to determine whether a column in a given
--- table is part of its primary key, and gives us its position too.
---
--- This view must be refreshed after every schema change; an event trigger
--- in MasterEventTriggerSetup.sql can handle this automatically.
-CREATE MATERIALIZED VIEW dbmirror2.column_info (
-    table_schema,
-    table_name,
-    column_name,
-    position,
-    is_primary
-) AS
-    SELECT
-        c.table_schema,
-        c.table_name,
-        c.column_name,
-        c.ordinal_position,
-        coalesce((
-            SELECT TRUE
-            FROM information_schema.key_column_usage kcu
-            NATURAL JOIN information_schema.table_constraints tc
-            WHERE kcu.table_schema = c.table_schema
-            AND kcu.table_name = c.table_name
-            AND kcu.column_name = c.column_name
-            AND tc.constraint_type = 'PRIMARY KEY'
-        ), FALSE) AS is_primary
-    FROM information_schema.columns c
-    NATURAL JOIN information_schema.tables t
-    WHERE t.table_type = 'BASE TABLE'
-    AND t.table_schema NOT IN ('dbmirror2', 'information_schema', 'pg_catalog')
-WITH DATA;
-
-CREATE INDEX column_info_idx
-    ON dbmirror2.column_info (table_schema, table_name, is_primary);
-
 CREATE FUNCTION dbmirror2.recordchange()
 RETURNS trigger AS $$
 DECLARE
@@ -46,9 +11,6 @@ DECLARE
     -- pending_data.tablename and pending_keys.tablename
     _tablename  TEXT;
     keys        TEXT[];
-    jsonquery   TEXT;
-    olddata     JSON;
-    newdata     JSON;
     -- prefixed with 'x' to avoid conflict with column name in queries
     xoldctid    TID;
     nextseqid   BIGINT;
@@ -75,29 +37,11 @@ BEGIN
     VALUES (txid_current(), transaction_timestamp())
     ON CONFLICT DO NOTHING;
 
-    jsonquery := (
-        SELECT format(
-            'SELECT json_build_object(%1$s)',
-            array_to_string(
-                array_agg(
-                    format('%1$L, ($1).%1$I', column_name) ORDER BY position
-                ),
-                ', '
-            )
-        )
-        FROM dbmirror2.column_info
-        WHERE table_schema = TG_TABLE_SCHEMA AND table_name = TG_TABLE_NAME
-    );
-
     IF TG_OP != 'INSERT' THEN
-        EXECUTE jsonquery INTO olddata USING OLD;
-
         xoldctid := OLD.ctid;
     END IF;
 
     IF TG_OP != 'DELETE' THEN
-        EXECUTE jsonquery INTO newdata USING NEW;
-
         -- Detect out-of-order operations caused by cascading triggers.
         --
         -- When row-level AFTER triggers are cascaded, the innermost trigger
@@ -154,8 +98,8 @@ BEGIN
         _tablename,
         lower(left(TG_OP, 1)),
         txid_current(),
-        olddata,
-        newdata,
+        row_to_json(OLD),
+        row_to_json(NEW),
         xoldctid,
         pg_trigger_depth()
     );
@@ -164,4 +108,51 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
+-- The pending_keys tables serves two purposes:
+--  1. Stores the primary keys associated with each table.
+--  2. Allows quickly checking if a particular table has changed
+--     in the packet.
+CREATE TABLE dbmirror2.pending_keys (
+    tablename   TEXT,
+    keys        TEXT[] NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_keys
+    ADD CONSTRAINT pending_keys_pkey
+    PRIMARY KEY (tablename);
+
+CREATE TABLE dbmirror2.pending_ts (
+    xid BIGINT,
+    ts TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_ts
+    ADD CONSTRAINT pending_ts_pkey
+    PRIMARY KEY (xid);
+
+CREATE TABLE dbmirror2.pending_data (
+    seqid       BIGSERIAL,
+    tablename   TEXT NOT NULL CONSTRAINT tablename_exists CHECK (to_regclass(tablename) IS NOT NULL),
+    op          "char" NOT NULL CONSTRAINT op_in_diu CHECK (op IN ('d', 'i', 'u')),
+    xid         BIGINT NOT NULL,
+                -- We use JSON over JSONB because there is no need to perform
+                -- operations on the data; this additionally lets us store the
+                -- keys in column-order, which makes the packets much easier
+                -- to read while debugging.
+    olddata     JSON CONSTRAINT olddata_is_null_for_inserts CHECK ((olddata IS NULL) = (op = 'i')),
+    newdata     JSON CONSTRAINT newdata_is_null_for_deletes CHECK ((newdata IS NULL) = (op = 'd')),
+    oldctid     TID,
+    trgdepth    INTEGER
+);
+
+ALTER TABLE dbmirror2.pending_data
+    ADD CONSTRAINT pending_data_pkey
+    PRIMARY KEY (seqid);
+
+CREATE INDEX pending_data_idx_xid_seqid
+    ON dbmirror2.pending_data (xid, seqid);
+
+CREATE INDEX pending_data_idx_oldctid_xid
+    ON dbmirror2.pending_data (oldctid, xid);
+
 COMMIT;
diff --git a/mbslave/sql/eaa/CreateMQTriggers.sql b/mbslave/sql/eaa/CreateMQTriggers.sql
deleted file mode 100644
index 4aee8d7..0000000
--- a/mbslave/sql/eaa/CreateMQTriggers.sql
+++ /dev/null
@@ -1,161 +0,0 @@
-BEGIN;
-
-SET search_path = 'event_art_archive';
-
-CREATE OR REPLACE FUNCTION reindex_event() RETURNS trigger AS $$
-    DECLARE
-        event_mbid UUID;
-    BEGIN
-        SELECT gid INTO event_mbid
-        FROM musicbrainz.event e
-        JOIN event_art_archive.event_art ea ON e.id = ea.event
-        WHERE e.id = NEW.id;
-
-        IF FOUND THEN
-            PERFORM amqp.publish(1, 'event-art-archive', 'index', event_mbid::text);
-        END IF;
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE OR INSERT
-ON musicbrainz.event FOR EACH ROW
-EXECUTE PROCEDURE reindex_event();
-
-CREATE OR REPLACE FUNCTION reindex_artist() RETURNS trigger AS $$
-    BEGIN
-        -- Short circuit if the name hasn't changed
-        IF NEW.name = OLD.name AND NEW.sort_name = OLD.sort_name THEN
-            RETURN NULL;
-        END IF;
-
-        PERFORM amqp.publish(1, 'event-art-archive', 'index', e.gid::text)
-        FROM musicbrainz.event e
-        JOIN event_art_archive.event_art ea ON e.id = ea.event
-        JOIN musicbrainz.l_artist_event lae ON e.id = lae.entity1
-        WHERE lae.entity0 = NEW.id;
-
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE
-ON musicbrainz.artist FOR EACH ROW
-EXECUTE PROCEDURE reindex_artist();
-
-CREATE OR REPLACE FUNCTION reindex_l_artist_event() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'event-art-archive', 'index', e.gid::text)
-        FROM musicbrainz.event e
-        JOIN event_art_archive.event_art ea ON e.id = ea.event
-        JOIN musicbrainz.l_artist_event lae ON e.id = lae.entity1
-        WHERE lae.id = (CASE TG_OP
-                            WHEN 'DELETE' THEN OLD.id
-                            ELSE NEW.id
-                        END);
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE OR INSERT OR DELETE
-ON musicbrainz.l_artist_event FOR EACH ROW
-EXECUTE PROCEDURE reindex_l_artist_event();
-
-CREATE OR REPLACE FUNCTION reindex_place() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'event-art-archive', 'index', e.gid::text)
-        FROM musicbrainz.event e
-        JOIN event_art_archive.event_art ea ON e.id = ea.event
-        JOIN musicbrainz.l_event_place lep ON e.id = lep.entity0
-        WHERE lep.entity1 = NEW.id;
-
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE
-ON musicbrainz.place FOR EACH ROW
-EXECUTE PROCEDURE reindex_place();
-
-CREATE OR REPLACE FUNCTION reindex_l_event_place() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'event-art-archive', 'index', e.gid::text)
-        FROM musicbrainz.event e
-        JOIN event_art_archive.event_art ea ON e.id = ea.event
-        JOIN musicbrainz.l_event_place lep ON e.id = lep.entity0
-        WHERE lep.id = (CASE TG_OP
-                            WHEN 'DELETE' THEN OLD.id
-                            ELSE NEW.id
-                        END);
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE OR INSERT OR DELETE
-ON musicbrainz.l_event_place FOR EACH ROW
-EXECUTE PROCEDURE reindex_l_event_place();
-
-CREATE OR REPLACE FUNCTION reindex_eaa() RETURNS trigger AS $$
-    BEGIN
-        PERFORM amqp.publish(1, 'event-art-archive', 'index', gid::text)
-        FROM musicbrainz.event
-        WHERE id = coalesce((
-                     CASE TG_OP
-                         WHEN 'DELETE' THEN OLD.event
-                         ELSE NEW.event
-                     END));
-        RETURN NULL;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_reindex AFTER UPDATE OR INSERT OR DELETE
-ON event_art_archive.event_art FOR EACH ROW
-EXECUTE PROCEDURE reindex_eaa();
-
-CREATE OR REPLACE FUNCTION move_event() RETURNS trigger AS $$
-    BEGIN
-        IF OLD.event != NEW.event THEN
-            PERFORM amqp.publish(1, 'event-art-archive', 'move',
-                      (SELECT ea.id || E'\n' ||
-                              old_event.gid || E'\n' ||
-                              new_event.gid || E'\n' ||
-                              it.suffix || E'\n'
-                       FROM event_art_archive.event_art ea
-                       JOIN cover_art_archive.image_type it ON it.mime_type = ea.mime_type,
-                         musicbrainz.event old_event,
-                         musicbrainz.event new_event
-                       WHERE ea.id = OLD.id
-                       AND old_event.id = OLD.event
-                       AND new_event.id = NEW.event));
-        END IF;
-        RETURN NEW;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_move BEFORE UPDATE
-ON event_art_archive.event_art FOR EACH ROW
-EXECUTE PROCEDURE move_event();
-
-CREATE OR REPLACE FUNCTION delete_event() RETURNS trigger AS $$
-    BEGIN
-        PERFORM
-          amqp.publish(1, 'event-art-archive', 'delete',
-            (event_art.id || E'\n' || OLD.gid || E'\n' || image_type.suffix)::text)
-        FROM event_art_archive.event_art
-        JOIN cover_art_archive.image_type ON image_type.mime_type = event_art.mime_type
-        WHERE event = OLD.id;
-
-        PERFORM amqp.publish(1, 'event-art-archive', 'delete',
-            ('index.json' || E'\n' || OLD.gid)::text)
-        FROM musicbrainz.event
-        WHERE event.id = OLD.id;
-
-        RETURN OLD;
-    END;
-$$ LANGUAGE 'plpgsql';
-
-CREATE TRIGGER eaa_delete BEFORE DELETE
-ON musicbrainz.event FOR EACH ROW
-EXECUTE PROCEDURE delete_event();
-
-COMMIT;
diff --git a/mbslave/sql/eaa/CreateViews.sql b/mbslave/sql/eaa/CreateViews.sql
index 56f9aaa..cb87fc4 100644
--- a/mbslave/sql/eaa/CreateViews.sql
+++ b/mbslave/sql/eaa/CreateViews.sql
@@ -11,7 +11,6 @@ SELECT event_art.*,
                    JOIN event_art_archive.event_art ea_front USING (id)
                    WHERE ea_front.event = event_art.event
                    AND type_id = 1
-                   AND mime_type != 'application/pdf'
                    ORDER BY ea_front.ordering
                    LIMIT 1), FALSE) AS is_front,
   array(SELECT art_type.name
diff --git a/mbslave/sql/eaa/DropMQTriggers.sql b/mbslave/sql/eaa/DropMQTriggers.sql
deleted file mode 100644
index 3651e68..0000000
--- a/mbslave/sql/eaa/DropMQTriggers.sql
+++ /dev/null
@@ -1,21 +0,0 @@
-BEGIN;
-
-DROP TRIGGER eaa_delete ON musicbrainz.event;
-DROP TRIGGER eaa_move ON event_art_archive.event_art;
-DROP TRIGGER eaa_reindex ON event_art_archive.event_art;
-DROP TRIGGER eaa_reindex ON musicbrainz.artist;
-DROP TRIGGER eaa_reindex ON musicbrainz.event;
-DROP TRIGGER eaa_reindex ON musicbrainz.l_artist_event;
-DROP TRIGGER eaa_reindex ON musicbrainz.l_event_place;
-DROP TRIGGER eaa_reindex ON musicbrainz.place;
-
-DROP FUNCTION event_art_archive.delete_event ();
-DROP FUNCTION event_art_archive.move_event ();
-DROP FUNCTION event_art_archive.reindex_artist ();
-DROP FUNCTION event_art_archive.reindex_eaa ();
-DROP FUNCTION event_art_archive.reindex_event ();
-DROP FUNCTION event_art_archive.reindex_l_artist_event ();
-DROP FUNCTION event_art_archive.reindex_l_event_place ();
-DROP FUNCTION event_art_archive.reindex_place ();
-
-COMMIT;
diff --git a/mbslave/sql/updates/20240221-mbs-13492.sql b/mbslave/sql/updates/20240221-mbs-13492.sql
new file mode 100644
index 0000000..6cc4950
--- /dev/null
+++ b/mbslave/sql/updates/20240221-mbs-13492.sql
@@ -0,0 +1,23 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+SET LOCAL statement_timeout = 0;
+
+UPDATE editor
+   SET privs = privs | 8192 -- set new beginner flag
+ WHERE id != 4 -- avoid setting ModBot as beginner
+   AND NOT deleted
+   AND ( 
+        member_since > NOW() - INTERVAL '2 weeks'
+       OR
+        NOT EXISTS (
+          SELECT 1
+            FROM edit
+           WHERE edit.editor = editor.id
+             AND edit.autoedit = 0
+             AND edit.status = 2
+          OFFSET 9
+        )
+   );
+
+COMMIT;
diff --git a/mbslave/sql/updates/20240726-mbs-9373.sql b/mbslave/sql/updates/20240726-mbs-9373.sql
new file mode 100644
index 0000000..96c5ce1
--- /dev/null
+++ b/mbslave/sql/updates/20240726-mbs-9373.sql
@@ -0,0 +1,9 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+UPDATE editor
+   SET privs = privs | 16384 -- set new voting disabled flag
+ WHERE (privs & 1024) > 0; -- where editor had editing disabled flag
+
+COMMIT;
diff --git a/mbslave/sql/updates/20241017-mbs-9253-13464.sql b/mbslave/sql/updates/20241017-mbs-9253-13464.sql
new file mode 100644
index 0000000..b7af8c9
--- /dev/null
+++ b/mbslave/sql/updates/20241017-mbs-9253-13464.sql
@@ -0,0 +1,136 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type ON release_group_primary_type;
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type ON release_group_secondary_type;
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_primary_type;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_secondary_type;
+
+DROP FUNCTION get_artist_release_group_rows(integer);
+
+DROP INDEX artist_release_group_nonva_idx_sort;
+DROP INDEX artist_release_group_va_idx_sort;
+
+DROP TABLE artist_release_group_nonva;
+DROP TABLE artist_release_group_va;
+DROP TABLE artist_release_group;
+
+CREATE TABLE artist_release_group (
+    -- See comment for `artist_release.is_track_artist`.
+    is_track_artist                     BOOLEAN NOT NULL,
+    artist                              INTEGER NOT NULL, -- references artist.id, CASCADE
+    unofficial                          BOOLEAN NOT NULL,
+    primary_type_child_order            SMALLINT,
+    primary_type                        SMALLINT,
+    secondary_type_child_orders         SMALLINT[],
+    secondary_types                     SMALLINT[],
+    first_release_date                  INTEGER,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
+    release_group                       INTEGER NOT NULL -- references release_group.id, CASCADE
+) PARTITION BY LIST (is_track_artist);
+
+CREATE TABLE artist_release_group_nonva
+    PARTITION OF artist_release_group FOR VALUES IN (FALSE);
+
+CREATE TABLE artist_release_group_va
+    PARTITION OF artist_release_group FOR VALUES IN (TRUE);
+
+CREATE OR REPLACE FUNCTION get_artist_release_group_rows(
+    release_group_id INTEGER
+) RETURNS SETOF artist_release_group AS $$
+BEGIN
+    -- PostgreSQL 12 generates a vastly more efficient plan when only
+    -- one release group ID is passed. A condition like
+    -- `rg.id = any(...)` can be over 200x slower, even with only one
+    -- release group ID in the array.
+    RETURN QUERY EXECUTE $SQL$
+        SELECT DISTINCT ON (a_rg.artist, rg.id)
+            a_rg.is_track_artist,
+            a_rg.artist,
+            -- Withdrawn releases were once official by definition
+            bool_and(r.status IS NOT NULL AND r.status != 1 AND r.status != 5),
+            rgpt.child_order::SMALLINT,
+            rg.type::SMALLINT,
+            array_agg(
+                DISTINCT rgst.child_order ORDER BY rgst.child_order)
+                FILTER (WHERE rgst.child_order IS NOT NULL
+            )::SMALLINT[],
+            array_agg(
+                DISTINCT st.secondary_type ORDER BY st.secondary_type)
+                FILTER (WHERE st.secondary_type IS NOT NULL
+            )::SMALLINT[],
+            integer_date(
+                rgm.first_release_date_year,
+                rgm.first_release_date_month,
+                rgm.first_release_date_day
+            ),
+            rg.name,
+            rg.id
+        FROM (
+            SELECT FALSE AS is_track_artist, rgacn.artist, rg.id AS release_group
+            FROM release_group rg
+            JOIN artist_credit_name rgacn ON rgacn.artist_credit = rg.artist_credit
+            UNION ALL
+            SELECT TRUE AS is_track_artist, tacn.artist, r.release_group
+            FROM release r
+            JOIN medium m ON m.release = r.id
+            JOIN track t ON t.medium = m.id
+            JOIN artist_credit_name tacn ON tacn.artist_credit = t.artist_credit
+        ) a_rg
+        JOIN release_group rg ON rg.id = a_rg.release_group
+        LEFT JOIN release r ON r.release_group = rg.id
+        JOIN release_group_meta rgm ON rgm.id = rg.id
+        LEFT JOIN release_group_primary_type rgpt ON rgpt.id = rg.type
+        LEFT JOIN release_group_secondary_type_join st ON st.release_group = rg.id
+        LEFT JOIN release_group_secondary_type rgst ON rgst.id = st.secondary_type
+    $SQL$ || (CASE WHEN release_group_id IS NULL THEN '' ELSE 'WHERE rg.id = $1' END) ||
+    $SQL$
+        GROUP BY a_rg.is_track_artist, a_rg.artist, rgm.id, rg.id, rgpt.child_order
+        ORDER BY a_rg.artist, rg.id, a_rg.is_track_artist
+    $SQL$
+    USING release_group_id;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_primary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT id FROM release_group
+            WHERE release_group.type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_secondary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT release_group
+            FROM release_group_secondary_type_join
+            WHERE secondary_type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE INDEX artist_release_group_nonva_idx_sort ON artist_release_group_nonva (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
+CREATE INDEX artist_release_group_va_idx_sort ON artist_release_group_va (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
+
+CREATE UNIQUE INDEX artist_release_group_nonva_idx_uniq ON artist_release_group_nonva (release_group, artist);
+CREATE UNIQUE INDEX artist_release_group_va_idx_uniq ON artist_release_group_va (release_group, artist);
+
+COMMIT;
diff --git a/mbslave/sql/updates/20241017-mbs-9253-master_and_standalone.sql b/mbslave/sql/updates/20241017-mbs-9253-master_and_standalone.sql
new file mode 100644
index 0000000..dcaa5f3
--- /dev/null
+++ b/mbslave/sql/updates/20241017-mbs-9253-master_and_standalone.sql
@@ -0,0 +1,37 @@
+\set ON_ERROR_STOP 1
+
+SET search_path = musicbrainz;
+
+BEGIN;
+
+ALTER TABLE artist_release_group
+   ADD CONSTRAINT artist_release_group_fk_artist
+   FOREIGN KEY (artist)
+   REFERENCES artist(id)
+   ON DELETE CASCADE;
+
+ALTER TABLE artist_release_group
+   ADD CONSTRAINT artist_release_group_fk_release_group
+   FOREIGN KEY (release_group)
+   REFERENCES release_group(id)
+   ON DELETE CASCADE;
+
+CREATE TRIGGER a_upd_release_group_primary_type AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+CREATE TRIGGER a_upd_release_group_secondary_type AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+COMMIT;
diff --git a/mbslave/sql/updates/20241017-mbs-9253-mirror_only.sql b/mbslave/sql/updates/20241017-mbs-9253-mirror_only.sql
new file mode 100644
index 0000000..e42e50d
--- /dev/null
+++ b/mbslave/sql/updates/20241017-mbs-9253-mirror_only.sql
@@ -0,0 +1,31 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type_mirror ON release_group_primary_type;
+
+CREATE TRIGGER a_upd_release_group_primary_type_mirror AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type_mirror ON release_group_secondary_type;
+
+CREATE TRIGGER a_upd_release_group_secondary_type_mirror AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_primary_type;
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_secondary_type;
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+COMMIT;
diff --git a/mbslave/sql/updates/20241125-mbs-13832.sql b/mbslave/sql/updates/20241125-mbs-13832.sql
new file mode 100644
index 0000000..5a7e1de
--- /dev/null
+++ b/mbslave/sql/updates/20241125-mbs-13832.sql
@@ -0,0 +1,48 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+-- MBS-14014
+DROP VIEW IF EXISTS cover_art_archive.index_listing;
+
+-- CAA view
+CREATE VIEW cover_art_archive.index_listing AS
+SELECT cover_art.*,
+  (edit.close_time IS NOT NULL) AS approved,
+  coalesce(cover_art.id = (SELECT id FROM cover_art_archive.cover_art_type
+                   JOIN cover_art_archive.cover_art ca_front USING (id)
+                   WHERE ca_front.release = cover_art.release
+                   AND type_id = 1
+                   ORDER BY ca_front.ordering
+                   LIMIT 1), FALSE) AS is_front,
+  coalesce(cover_art.id = (SELECT id FROM cover_art_archive.cover_art_type
+                   JOIN cover_art_archive.cover_art ca_front USING (id)
+                   WHERE ca_front.release = cover_art.release
+                   AND type_id = 2
+                   ORDER BY ca_front.ordering
+                   LIMIT 1), FALSE) AS is_back,
+  array(SELECT art_type.name
+        FROM cover_art_archive.cover_art_type
+        JOIN cover_art_archive.art_type ON cover_art_type.type_id = art_type.id
+        WHERE cover_art_type.id = cover_art.id) AS types
+FROM cover_art_archive.cover_art
+LEFT JOIN musicbrainz.edit ON edit.id = cover_art.edit;
+
+-- EAA view
+CREATE OR REPLACE VIEW event_art_archive.index_listing AS
+SELECT event_art.*,
+  (edit.close_time IS NOT NULL) AS approved,
+  coalesce(event_art.id = (SELECT id FROM event_art_archive.event_art_type
+                   JOIN event_art_archive.event_art ea_front USING (id)
+                   WHERE ea_front.event = event_art.event
+                   AND type_id = 1
+                   ORDER BY ea_front.ordering
+                   LIMIT 1), FALSE) AS is_front,
+  array(SELECT art_type.name
+        FROM event_art_archive.event_art_type
+        JOIN event_art_archive.art_type ON event_art_type.type_id = art_type.id
+        WHERE event_art_type.id = event_art.id) AS types
+FROM event_art_archive.event_art
+LEFT JOIN musicbrainz.edit ON edit.id = event_art.edit;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250320-mbs-13768-fks.sql b/mbslave/sql/updates/20250320-mbs-13768-fks.sql
new file mode 100644
index 0000000..788b9b3
--- /dev/null
+++ b/mbslave/sql/updates/20250320-mbs-13768-fks.sql
@@ -0,0 +1,12 @@
+\set ON_ERROR_STOP 1
+
+SET search_path = musicbrainz;
+
+BEGIN;
+
+ALTER TABLE medium_gid_redirect
+   ADD CONSTRAINT medium_gid_redirect_fk_new_id
+   FOREIGN KEY (new_id)
+   REFERENCES medium(id);
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250320-mbs-13768.sql b/mbslave/sql/updates/20250320-mbs-13768.sql
new file mode 100644
index 0000000..366593a
--- /dev/null
+++ b/mbslave/sql/updates/20250320-mbs-13768.sql
@@ -0,0 +1,31 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+-- Medium GID
+
+-- Creating column
+ALTER TABLE medium ADD COLUMN gid uuid;
+
+-- Generating GIDs
+UPDATE medium SET gid =
+    generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'medium' || id);
+
+-- Adding NOT NULL constraint
+ALTER TABLE medium ALTER COLUMN gid SET NOT NULL;
+
+-- Creating index
+CREATE UNIQUE INDEX medium_idx_gid ON medium (gid);
+
+-- Medium GID redirect
+CREATE TABLE medium_gid_redirect ( -- replicate (verbose)
+    gid                 UUID NOT NULL, -- PK
+    new_id              INTEGER NOT NULL, -- references medium.id
+    created             TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+ALTER TABLE medium_gid_redirect ADD CONSTRAINT medium_gid_redirect_pkey PRIMARY KEY (gid);
+
+CREATE INDEX medium_gid_redirect_idx_new_id ON medium_gid_redirect (new_id);
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250408-mbs-13322.sql b/mbslave/sql/updates/20250408-mbs-13322.sql
new file mode 100644
index 0000000..4ed4b1c
--- /dev/null
+++ b/mbslave/sql/updates/20250408-mbs-13322.sql
@@ -0,0 +1,15 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION delete_unused_url(ids INTEGER[])
+RETURNS VOID AS $$
+BEGIN
+  DELETE FROM url_gid_redirect WHERE new_id = any(ids);
+  DELETE FROM url WHERE id = any(ids);
+EXCEPTION
+  WHEN foreign_key_violation THEN RETURN;
+END;
+$$ LANGUAGE 'plpgsql';
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250408-mbs-13964-all.sql b/mbslave/sql/updates/20250408-mbs-13964-all.sql
new file mode 100644
index 0000000..5b2a77c
--- /dev/null
+++ b/mbslave/sql/updates/20250408-mbs-13964-all.sql
@@ -0,0 +1,34 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION set_mediums_recordings_first_release_dates(medium_ids INTEGER[])
+RETURNS VOID AS $$
+BEGIN
+  PERFORM set_recordings_first_release_dates((
+    SELECT array_agg(recording)
+      FROM track
+     WHERE track.medium = any(medium_ids)
+  ));
+  RETURN;
+END;
+$$ LANGUAGE 'plpgsql' STRICT;
+
+CREATE OR REPLACE FUNCTION a_upd_medium_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF NEW.release IS DISTINCT FROM OLD.release THEN
+        PERFORM set_mediums_recordings_first_release_dates(ARRAY[OLD.id]);
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE TRIGGER a_upd_medium AFTER UPDATE ON medium
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_medium_mirror();
+
+TRUNCATE recording_first_release_date;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250425-mbs-13464-master_and_standalone.sql b/mbslave/sql/updates/20250425-mbs-13464-master_and_standalone.sql
new file mode 100644
index 0000000..42b4259
--- /dev/null
+++ b/mbslave/sql/updates/20250425-mbs-13464-master_and_standalone.sql
@@ -0,0 +1,19 @@
+\set ON_ERROR_STOP 1
+
+SET search_path = musicbrainz;
+
+BEGIN;
+
+ALTER TABLE artist_release
+   ADD CONSTRAINT artist_release_fk_artist
+   FOREIGN KEY (artist)
+   REFERENCES artist(id)
+   ON DELETE CASCADE;
+
+ALTER TABLE artist_release
+   ADD CONSTRAINT artist_release_fk_release
+   FOREIGN KEY (release)
+   REFERENCES release(id)
+   ON DELETE CASCADE;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250425-mbs-13464.sql b/mbslave/sql/updates/20250425-mbs-13464.sql
new file mode 100644
index 0000000..98f596e
--- /dev/null
+++ b/mbslave/sql/updates/20250425-mbs-13464.sql
@@ -0,0 +1,81 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP FUNCTION get_artist_release_rows(integer);
+
+DROP TABLE artist_release_nonva;
+DROP TABLE artist_release_va;
+DROP TABLE artist_release;
+
+CREATE TABLE artist_release (
+    is_track_artist                     BOOLEAN NOT NULL,
+    artist                              INTEGER NOT NULL,
+    first_release_date                  INTEGER,
+    catalog_numbers                     TEXT[],
+    country_code                        CHAR(2),
+    barcode                             BIGINT,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
+    release                             INTEGER NOT NULL
+) PARTITION BY LIST (is_track_artist);
+
+CREATE TABLE artist_release_nonva
+    PARTITION OF artist_release FOR VALUES IN (FALSE);
+
+CREATE TABLE artist_release_va
+    PARTITION OF artist_release FOR VALUES IN (TRUE);
+
+CREATE OR REPLACE FUNCTION get_artist_release_rows(
+    release_id INTEGER
+) RETURNS SETOF artist_release AS $$
+BEGIN
+    -- PostgreSQL 12 generates a vastly more efficient plan when only
+    -- one release ID is passed. A condition like `r.id = any(...)`
+    -- can be over 200x slower, even with only one release ID in the
+    -- array.
+    RETURN QUERY EXECUTE $SQL$
+        SELECT DISTINCT ON (ar.artist, r.id)
+            ar.is_track_artist,
+            ar.artist,
+            integer_date(rfrd.year, rfrd.month, rfrd.day) AS first_release_date,
+            array_agg(
+                DISTINCT rl.catalog_number ORDER BY rl.catalog_number
+            ) FILTER (WHERE rl.catalog_number IS NOT NULL)::TEXT[] AS catalog_numbers,
+            min(iso.code ORDER BY iso.code)::CHAR(2) AS country_code,
+            left(regexp_replace(
+                (CASE r.barcode WHEN '' THEN '0' ELSE r.barcode END),
+                '[^0-9]+', '', 'g'
+            ), 18)::BIGINT AS barcode,
+            r.name,
+            r.id
+        FROM (
+            SELECT FALSE AS is_track_artist, racn.artist, r.id AS release
+            FROM release r
+            JOIN artist_credit_name racn ON racn.artist_credit = r.artist_credit
+            UNION ALL
+            SELECT TRUE AS is_track_artist, tacn.artist, m.release
+            FROM medium m
+            JOIN track t ON t.medium = m.id
+            JOIN artist_credit_name tacn ON tacn.artist_credit = t.artist_credit
+        ) ar
+        JOIN release r ON r.id = ar.release
+        LEFT JOIN release_first_release_date rfrd ON rfrd.release = r.id
+        LEFT JOIN release_label rl ON rl.release = r.id
+        LEFT JOIN release_country rc ON rc.release = r.id
+        LEFT JOIN iso_3166_1 iso ON iso.area = rc.country
+    $SQL$ || (CASE WHEN release_id IS NULL THEN '' ELSE 'WHERE r.id = $1' END) ||
+    $SQL$
+        GROUP BY ar.is_track_artist, ar.artist, rfrd.release, r.id
+        ORDER BY ar.artist, r.id, ar.is_track_artist
+    $SQL$
+    USING release_id;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE INDEX artist_release_nonva_idx_sort ON artist_release_nonva (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
+CREATE INDEX artist_release_va_idx_sort ON artist_release_va (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
+
+CREATE UNIQUE INDEX artist_release_nonva_idx_uniq ON artist_release_nonva (release, artist);
+CREATE UNIQUE INDEX artist_release_va_idx_uniq ON artist_release_va (release, artist);
+
+COMMIT;
diff --git a/mbslave/sql/updates/20250425-mbs-13966.sql b/mbslave/sql/updates/20250425-mbs-13966.sql
new file mode 100644
index 0000000..3a56b05
--- /dev/null
+++ b/mbslave/sql/updates/20250425-mbs-13966.sql
@@ -0,0 +1,69 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION set_release_group_first_release_date(release_group_id INTEGER)
+RETURNS VOID AS $$
+BEGIN
+    UPDATE release_group_meta SET first_release_date_year = first.year,
+                                  first_release_date_month = first.month,
+                                  first_release_date_day = first.day
+      FROM (
+        SELECT rd.year, rd.month, rd.day
+        FROM release_group
+        LEFT JOIN release ON release.release_group = release_group.id
+        LEFT JOIN release_first_release_date rd ON (rd.release = release.id)
+        WHERE release_group.id = release_group_id
+        ORDER BY
+          rd.year NULLS LAST,
+          rd.month NULLS LAST,
+          rd.day NULLS LAST
+        LIMIT 1
+      ) AS first
+    WHERE id = release_group_id;
+    INSERT INTO artist_release_group_pending_update VALUES (release_group_id);
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE TEMPORARY TABLE tmp_release_first_release_date_2025_q2 (
+    release     INTEGER NOT NULL PRIMARY KEY,
+    year        SMALLINT,
+    month       SMALLINT,
+    day         SMALLINT
+) ON COMMIT DROP;
+
+INSERT INTO tmp_release_first_release_date_2025_q2
+    SELECT * FROM get_release_first_release_date_rows('TRUE');
+
+UPDATE release_group_meta SET first_release_date_year = first.year,
+                              first_release_date_month = first.month,
+                              first_release_date_day = first.day
+  FROM (
+    SELECT DISTINCT ON (release_group.id)
+        release_group.id AS release_group, rd.year, rd.month, rd.day
+    FROM release_group
+    LEFT JOIN release ON release.release_group = release_group.id
+    LEFT JOIN tmp_release_first_release_date_2025_q2 rd ON (rd.release = release.id)
+    ORDER BY
+      release_group.id,
+      rd.year NULLS LAST,
+      rd.month NULLS LAST,
+      rd.day NULLS LAST
+  ) AS first
+WHERE id = first.release_group
+  AND (
+    first_release_date_year IS DISTINCT FROM first.year
+    OR first_release_date_month IS DISTINCT FROM first.month
+    OR first_release_date_day IS DISTINCT FROM first.day
+  );
+
+-- Mirrors have a `a_upd_release_group_meta_mirror` trigger which inserts
+-- updated `release_group_meta` IDs into `artist_release_group_pending_update`,
+-- which in turn causes the associated entries in `artist_release_group`
+-- to be updated. That should be a no-op here, because the schema 30 upgrade
+-- already truncates `artist_release_group` (via dropping and recreating it)
+-- before this runs; but clear it anyway to avoid a pointless calculation in
+-- the `apply_artist_release_group_pending_updates` function.
+TRUNCATE artist_release_group_pending_update;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260121-mbs-14092-fks.sql b/mbslave/sql/updates/20260121-mbs-14092-fks.sql
new file mode 100644
index 0000000..709e947
--- /dev/null
+++ b/mbslave/sql/updates/20260121-mbs-14092-fks.sql
@@ -0,0 +1,21 @@
+\set ON_ERROR_STOP 1
+BEGIN;
+
+------------------
+-- constraints  --
+------------------
+
+ALTER TABLE series_type ADD CONSTRAINT allowed_series_entity_type
+  CHECK (
+    entity_type IN (
+      'artist',
+      'event',
+      'recording',
+      'release',
+      'release_group',
+      'series',
+      'work'
+    )
+  );
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260121-mbs-14092.sql b/mbslave/sql/updates/20260121-mbs-14092.sql
new file mode 100644
index 0000000..d0889d5
--- /dev/null
+++ b/mbslave/sql/updates/20260121-mbs-14092.sql
@@ -0,0 +1,86 @@
+\set ON_ERROR_STOP 1
+BEGIN;
+
+\set SERIES_PART_OF_SERIES_ID '1307'
+
+\set SERIES_PART_OF_SERIES_GID '''8fe04b66-fe39-40ce-a28f-76b816d3f55a'''
+
+-- id from link_attribute_type where name = 'number'
+\set LINK_ATTRIBUTE_TYPE_NUMBER_ID '788'
+
+-----------------------
+-- CREATE NEW VIEWS  --
+-----------------------
+
+CREATE OR REPLACE VIEW series_series AS
+    SELECT entity0 AS series_part,
+           entity1 AS series,
+           lss.id AS relationship,
+           link_order,
+           lss.link,
+           COALESCE(text_value, '') AS text_value
+    FROM l_series_series lss
+    JOIN series s ON s.id = lss.entity1
+    JOIN link l ON l.id = lss.link
+    JOIN link_type lt ON (lt.id = l.link_type AND lt.gid = '8da75c99-46ff-373c-9d31-276ca8fa8cc3')
+    LEFT OUTER JOIN link_attribute_text_value latv ON (latv.attribute_type = 788 AND latv.link = l.id)
+    ORDER BY series, link_order;
+
+-------------------------
+-- INSERT INITIAL DATA --
+-------------------------
+
+-- Part-of-series rel
+-- Already exists in production, but disabled (no description)
+
+-- We insert the rel where it does not exist (outside prod)
+INSERT INTO link_type (id, gid, entity_type0, entity_type1, entity0_cardinality,
+                       entity1_cardinality, name, description, link_phrase,
+                       reverse_link_phrase, long_link_phrase) VALUES
+    (
+        :SERIES_PART_OF_SERIES_ID,
+        :SERIES_PART_OF_SERIES_GID,
+        'series', 'series', 0, 0, 'part of',
+        '',
+        'part of', 'has parts', 'is a part of'
+    ) ON CONFLICT DO NOTHING;
+
+-- We add the description to enable the rel
+UPDATE link_type
+   SET description = 'Indicates that the series is part of a series.'
+ WHERE gid = :SERIES_PART_OF_SERIES_GID;
+
+-- We insert the attribute and orderable type where they do not exist (outside prod)
+INSERT INTO link_attribute_type (id, parent, root, child_order, gid, name, description, last_updated) VALUES
+    (
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        NULL,
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        0,
+        'a59c5830-5ec7-38fe-9a21-c7ea54f6650a',
+        'number',
+        'This attribute indicates the number of an entity in a series.',
+        '2021-05-10 11:27:11.858659+00'
+    ) ON CONFLICT DO NOTHING;
+
+INSERT INTO link_type_attribute_type (link_type, attribute_type, min, max) VALUES
+    (
+        :SERIES_PART_OF_SERIES_ID,
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        0,
+        1
+    ) ON CONFLICT DO NOTHING;
+
+INSERT INTO orderable_link_type (link_type, direction) VALUES
+    (:SERIES_PART_OF_SERIES_ID, 2) ON CONFLICT DO NOTHING;
+
+ALTER TABLE series_type DROP CONSTRAINT IF EXISTS allowed_series_entity_type;
+
+INSERT INTO series_type (id, name, entity_type, parent, child_order, description, gid) VALUES
+    (16, 'Series series', 'series', NULL, 6, 'A series of series.', generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'series_type16')),
+    (17, 'Series award', 'series', 16, 0, 'A series of series (such as podcasts or festivals) honoured by the same award.', generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'series_type17'));
+
+\unset SERIES_PART_OF_SERIES_GID
+\unset LINK_ATTRIBUTE_TYPE_NUMBER_ID
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260212-mbs-14252.sql b/mbslave/sql/updates/20260212-mbs-14252.sql
new file mode 100644
index 0000000..fe993d5
--- /dev/null
+++ b/mbslave/sql/updates/20260212-mbs-14252.sql
@@ -0,0 +1,8 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+ALTER TABLE isrc DROP COLUMN source CASCADE;
+ALTER TABLE iswc DROP COLUMN source CASCADE;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260422-mbs-6551-all.sql b/mbslave/sql/updates/20260422-mbs-6551-all.sql
new file mode 100644
index 0000000..7f6c640
--- /dev/null
+++ b/mbslave/sql/updates/20260422-mbs-6551-all.sql
@@ -0,0 +1,19 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+-- Prepare data for the `no_empty_string_catalog_number` constraint
+-- in admin/sql/updates/20260422-mbs-6551-master_and_standalone.sql.
+UPDATE release_label SET catalog_number = NULL WHERE catalog_number = '';
+
+-- This is mainly present for standalone databases. "Remove release label"
+-- edits were already manually entered for the few duplicates that existed
+-- in production.
+DELETE FROM release_label dupe
+USING release_label orig
+WHERE dupe.release = orig.release
+  AND dupe.label IS NOT DISTINCT FROM orig.label
+  AND dupe.catalog_number IS NOT DISTINCT FROM orig.catalog_number
+  AND dupe.id > orig.id;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260422-mbs-6551-master_and_standalone.sql b/mbslave/sql/updates/20260422-mbs-6551-master_and_standalone.sql
new file mode 100644
index 0000000..b42f1bd
--- /dev/null
+++ b/mbslave/sql/updates/20260422-mbs-6551-master_and_standalone.sql
@@ -0,0 +1,14 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+ALTER TABLE release_label
+  ADD CONSTRAINT no_empty_string_catalog_number
+  CHECK (catalog_number != '');
+
+ALTER TABLE release_label
+  ADD CONSTRAINT release_label_uniq
+  UNIQUE NULLS NOT DISTINCT (release, label, catalog_number)
+  DEFERRABLE INITIALLY DEFERRED;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260502-search-756-all.sql b/mbslave/sql/updates/20260502-search-756-all.sql
new file mode 100644
index 0000000..bef12d2
--- /dev/null
+++ b/mbslave/sql/updates/20260502-search-756-all.sql
@@ -0,0 +1,48 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION sanitize_editor(e editor) RETURNS editor AS $$
+    SELECT ROW(
+        e.id,
+        e.name,
+        0::INTEGER,
+        ''::VARCHAR(64),
+        NULL::VARCHAR(255),
+        NULL::TEXT,
+        e.member_since,
+        e.email_confirm_date,
+        now()::TIMESTAMP WITH TIME ZONE,
+        e.last_updated,
+        NULL::DATE,
+        NULL::INTEGER,
+        NULL::INTEGER,
+        '{CLEARTEXT}mb'::VARCHAR(128),
+        md5(e.name || ':musicbrainz.org:mb')::CHAR(32),
+        e.deleted
+    )::editor
+$$ LANGUAGE sql STABLE PARALLEL SAFE;
+
+-- Adding `STRICT` on `sanitize_editor` would prevent inlining/optimization
+-- when called via the `editor_sanitized` view.
+CREATE OR REPLACE FUNCTION sanitize_editor_strict(e editor) RETURNS editor AS $$
+    SELECT sanitize_editor(e)
+$$ LANGUAGE sql STABLE STRICT PARALLEL SAFE;
+
+CREATE OR REPLACE FUNCTION sanitize_dbmirror2_editor_data() RETURNS trigger AS $$
+BEGIN
+    NEW.olddata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.olddata)));
+    NEW.newdata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.newdata)));
+    IF NEW.op = 'u' AND NEW.olddata::JSONB = NEW.newdata::JSONB THEN
+        -- Only sanitized columns have changed. No need to log the update.
+        RETURN NULL;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE VIEW editor_sanitized AS
+    SELECT (sanitize_editor(editor)).*
+    FROM editor;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260502-search-756-master_only.sql b/mbslave/sql/updates/20260502-search-756-master_only.sql
new file mode 100644
index 0000000..7fdf35b
--- /dev/null
+++ b/mbslave/sql/updates/20260502-search-756-master_only.sql
@@ -0,0 +1,118 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER sanitize_dbmirror2_editor_data
+    BEFORE INSERT ON dbmirror2.pending_data
+    FOR EACH ROW WHEN (NEW.tablename = 'musicbrainz.editor')
+    EXECUTE PROCEDURE sanitize_dbmirror2_editor_data();
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260507-search-756-mirror_only.sql b/mbslave/sql/updates/20260507-search-756-mirror_only.sql
new file mode 100644
index 0000000..2bfb837
--- /dev/null
+++ b/mbslave/sql/updates/20260507-search-756-mirror_only.sql
@@ -0,0 +1,113 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+COMMIT;
diff --git a/mbslave/sql/updates/20260507-search-756-standalone_only.sql b/mbslave/sql/updates/20260507-search-756-standalone_only.sql
new file mode 100644
index 0000000..db5ea48
--- /dev/null
+++ b/mbslave/sql/updates/20260507-search-756-standalone_only.sql
@@ -0,0 +1,155 @@
+\set ON_ERROR_STOP 1
+
+BEGIN;
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_keys CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_ts CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_data CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TABLE dbmirror2.pending_keys (
+    tablename   TEXT,
+    keys        TEXT[] NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_keys
+    ADD CONSTRAINT pending_keys_pkey
+    PRIMARY KEY (tablename);
+
+CREATE TABLE dbmirror2.pending_ts (
+    xid BIGINT,
+    ts TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_ts
+    ADD CONSTRAINT pending_ts_pkey
+    PRIMARY KEY (xid);
+
+CREATE TABLE dbmirror2.pending_data (
+    seqid       BIGSERIAL,
+    tablename   TEXT NOT NULL CONSTRAINT tablename_exists CHECK (to_regclass(tablename) IS NOT NULL),
+    op          "char" NOT NULL CONSTRAINT op_in_diu CHECK (op IN ('d', 'i', 'u')),
+    xid         BIGINT NOT NULL,
+    olddata     JSON CONSTRAINT olddata_is_null_for_inserts CHECK ((olddata IS NULL) = (op = 'i')),
+    newdata     JSON CONSTRAINT newdata_is_null_for_deletes CHECK ((newdata IS NULL) = (op = 'd')),
+    oldctid     TID,
+    trgdepth    INTEGER
+);
+
+ALTER TABLE dbmirror2.pending_data
+    ADD CONSTRAINT pending_data_pkey
+    PRIMARY KEY (seqid);
+
+CREATE INDEX pending_data_idx_xid_seqid
+    ON dbmirror2.pending_data (xid, seqid);
+
+CREATE INDEX pending_data_idx_oldctid_xid
+    ON dbmirror2.pending_data (oldctid, xid);
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/30.all.sql b/mbslave/sql/updates/schema-change/30.all.sql
new file mode 100644
index 0000000..c9d8553
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/30.all.sql
@@ -0,0 +1,420 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20241017-mbs-9253-13464.sql
+-- 20250408-mbs-13322.sql
+-- 20250425-mbs-13464.sql
+-- 20241125-mbs-13832.sql
+-- 20250320-mbs-13768.sql
+-- 20250408-mbs-13964-all.sql
+-- 20250425-mbs-13966.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20241017-mbs-9253-13464.sql';
+
+
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type ON release_group_primary_type;
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type ON release_group_secondary_type;
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_primary_type;
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates ON release_group_secondary_type;
+
+DROP FUNCTION get_artist_release_group_rows(integer);
+
+DROP INDEX artist_release_group_nonva_idx_sort;
+DROP INDEX artist_release_group_va_idx_sort;
+
+DROP TABLE artist_release_group_nonva;
+DROP TABLE artist_release_group_va;
+DROP TABLE artist_release_group;
+
+CREATE TABLE artist_release_group (
+    -- See comment for `artist_release.is_track_artist`.
+    is_track_artist                     BOOLEAN NOT NULL,
+    artist                              INTEGER NOT NULL, -- references artist.id, CASCADE
+    unofficial                          BOOLEAN NOT NULL,
+    primary_type_child_order            SMALLINT,
+    primary_type                        SMALLINT,
+    secondary_type_child_orders         SMALLINT[],
+    secondary_types                     SMALLINT[],
+    first_release_date                  INTEGER,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
+    release_group                       INTEGER NOT NULL -- references release_group.id, CASCADE
+) PARTITION BY LIST (is_track_artist);
+
+CREATE TABLE artist_release_group_nonva
+    PARTITION OF artist_release_group FOR VALUES IN (FALSE);
+
+CREATE TABLE artist_release_group_va
+    PARTITION OF artist_release_group FOR VALUES IN (TRUE);
+
+CREATE OR REPLACE FUNCTION get_artist_release_group_rows(
+    release_group_id INTEGER
+) RETURNS SETOF artist_release_group AS $$
+BEGIN
+    -- PostgreSQL 12 generates a vastly more efficient plan when only
+    -- one release group ID is passed. A condition like
+    -- `rg.id = any(...)` can be over 200x slower, even with only one
+    -- release group ID in the array.
+    RETURN QUERY EXECUTE $SQL$
+        SELECT DISTINCT ON (a_rg.artist, rg.id)
+            a_rg.is_track_artist,
+            a_rg.artist,
+            -- Withdrawn releases were once official by definition
+            bool_and(r.status IS NOT NULL AND r.status != 1 AND r.status != 5),
+            rgpt.child_order::SMALLINT,
+            rg.type::SMALLINT,
+            array_agg(
+                DISTINCT rgst.child_order ORDER BY rgst.child_order)
+                FILTER (WHERE rgst.child_order IS NOT NULL
+            )::SMALLINT[],
+            array_agg(
+                DISTINCT st.secondary_type ORDER BY st.secondary_type)
+                FILTER (WHERE st.secondary_type IS NOT NULL
+            )::SMALLINT[],
+            integer_date(
+                rgm.first_release_date_year,
+                rgm.first_release_date_month,
+                rgm.first_release_date_day
+            ),
+            rg.name,
+            rg.id
+        FROM (
+            SELECT FALSE AS is_track_artist, rgacn.artist, rg.id AS release_group
+            FROM release_group rg
+            JOIN artist_credit_name rgacn ON rgacn.artist_credit = rg.artist_credit
+            UNION ALL
+            SELECT TRUE AS is_track_artist, tacn.artist, r.release_group
+            FROM release r
+            JOIN medium m ON m.release = r.id
+            JOIN track t ON t.medium = m.id
+            JOIN artist_credit_name tacn ON tacn.artist_credit = t.artist_credit
+        ) a_rg
+        JOIN release_group rg ON rg.id = a_rg.release_group
+        LEFT JOIN release r ON r.release_group = rg.id
+        JOIN release_group_meta rgm ON rgm.id = rg.id
+        LEFT JOIN release_group_primary_type rgpt ON rgpt.id = rg.type
+        LEFT JOIN release_group_secondary_type_join st ON st.release_group = rg.id
+        LEFT JOIN release_group_secondary_type rgst ON rgst.id = st.secondary_type
+    $SQL$ || (CASE WHEN release_group_id IS NULL THEN '' ELSE 'WHERE rg.id = $1' END) ||
+    $SQL$
+        GROUP BY a_rg.is_track_artist, a_rg.artist, rgm.id, rg.id, rgpt.child_order
+        ORDER BY a_rg.artist, rg.id, a_rg.is_track_artist
+    $SQL$
+    USING release_group_id;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_primary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT id FROM release_group
+            WHERE release_group.type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE OR REPLACE FUNCTION a_upd_release_group_secondary_type_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF (NEW.child_order IS DISTINCT FROM OLD.child_order)
+    THEN
+        INSERT INTO artist_release_group_pending_update (
+            SELECT release_group
+            FROM release_group_secondary_type_join
+            WHERE secondary_type = OLD.id
+        );
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE INDEX artist_release_group_nonva_idx_sort ON artist_release_group_nonva (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
+CREATE INDEX artist_release_group_va_idx_sort ON artist_release_group_va (artist, unofficial, primary_type_child_order NULLS FIRST, primary_type NULLS FIRST, secondary_type_child_orders NULLS FIRST, secondary_types NULLS FIRST, first_release_date NULLS LAST, name, release_group);
+
+CREATE UNIQUE INDEX artist_release_group_nonva_idx_uniq ON artist_release_group_nonva (release_group, artist);
+CREATE UNIQUE INDEX artist_release_group_va_idx_uniq ON artist_release_group_va (release_group, artist);
+
+--------------------------------------------------------------------------------
+SELECT '20250408-mbs-13322.sql';
+
+
+CREATE OR REPLACE FUNCTION delete_unused_url(ids INTEGER[])
+RETURNS VOID AS $$
+BEGIN
+  DELETE FROM url_gid_redirect WHERE new_id = any(ids);
+  DELETE FROM url WHERE id = any(ids);
+EXCEPTION
+  WHEN foreign_key_violation THEN RETURN;
+END;
+$$ LANGUAGE 'plpgsql';
+
+--------------------------------------------------------------------------------
+SELECT '20250425-mbs-13464.sql';
+
+
+DROP FUNCTION get_artist_release_rows(integer);
+
+DROP TABLE artist_release_nonva;
+DROP TABLE artist_release_va;
+DROP TABLE artist_release;
+
+CREATE TABLE artist_release (
+    is_track_artist                     BOOLEAN NOT NULL,
+    artist                              INTEGER NOT NULL,
+    first_release_date                  INTEGER,
+    catalog_numbers                     TEXT[],
+    country_code                        CHAR(2),
+    barcode                             BIGINT,
+    name                                VARCHAR COLLATE musicbrainz NOT NULL,
+    release                             INTEGER NOT NULL
+) PARTITION BY LIST (is_track_artist);
+
+CREATE TABLE artist_release_nonva
+    PARTITION OF artist_release FOR VALUES IN (FALSE);
+
+CREATE TABLE artist_release_va
+    PARTITION OF artist_release FOR VALUES IN (TRUE);
+
+CREATE OR REPLACE FUNCTION get_artist_release_rows(
+    release_id INTEGER
+) RETURNS SETOF artist_release AS $$
+BEGIN
+    -- PostgreSQL 12 generates a vastly more efficient plan when only
+    -- one release ID is passed. A condition like `r.id = any(...)`
+    -- can be over 200x slower, even with only one release ID in the
+    -- array.
+    RETURN QUERY EXECUTE $SQL$
+        SELECT DISTINCT ON (ar.artist, r.id)
+            ar.is_track_artist,
+            ar.artist,
+            integer_date(rfrd.year, rfrd.month, rfrd.day) AS first_release_date,
+            array_agg(
+                DISTINCT rl.catalog_number ORDER BY rl.catalog_number
+            ) FILTER (WHERE rl.catalog_number IS NOT NULL)::TEXT[] AS catalog_numbers,
+            min(iso.code ORDER BY iso.code)::CHAR(2) AS country_code,
+            left(regexp_replace(
+                (CASE r.barcode WHEN '' THEN '0' ELSE r.barcode END),
+                '[^0-9]+', '', 'g'
+            ), 18)::BIGINT AS barcode,
+            r.name,
+            r.id
+        FROM (
+            SELECT FALSE AS is_track_artist, racn.artist, r.id AS release
+            FROM release r
+            JOIN artist_credit_name racn ON racn.artist_credit = r.artist_credit
+            UNION ALL
+            SELECT TRUE AS is_track_artist, tacn.artist, m.release
+            FROM medium m
+            JOIN track t ON t.medium = m.id
+            JOIN artist_credit_name tacn ON tacn.artist_credit = t.artist_credit
+        ) ar
+        JOIN release r ON r.id = ar.release
+        LEFT JOIN release_first_release_date rfrd ON rfrd.release = r.id
+        LEFT JOIN release_label rl ON rl.release = r.id
+        LEFT JOIN release_country rc ON rc.release = r.id
+        LEFT JOIN iso_3166_1 iso ON iso.area = rc.country
+    $SQL$ || (CASE WHEN release_id IS NULL THEN '' ELSE 'WHERE r.id = $1' END) ||
+    $SQL$
+        GROUP BY ar.is_track_artist, ar.artist, rfrd.release, r.id
+        ORDER BY ar.artist, r.id, ar.is_track_artist
+    $SQL$
+    USING release_id;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE INDEX artist_release_nonva_idx_sort ON artist_release_nonva (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
+CREATE INDEX artist_release_va_idx_sort ON artist_release_va (artist, first_release_date NULLS LAST, catalog_numbers NULLS LAST, country_code NULLS LAST, barcode NULLS LAST, name, release);
+
+CREATE UNIQUE INDEX artist_release_nonva_idx_uniq ON artist_release_nonva (release, artist);
+CREATE UNIQUE INDEX artist_release_va_idx_uniq ON artist_release_va (release, artist);
+
+--------------------------------------------------------------------------------
+SELECT '20241125-mbs-13832.sql';
+
+
+-- MBS-14014
+DROP VIEW IF EXISTS cover_art_archive.index_listing;
+
+-- CAA view
+CREATE VIEW cover_art_archive.index_listing AS
+SELECT cover_art.*,
+  (edit.close_time IS NOT NULL) AS approved,
+  coalesce(cover_art.id = (SELECT id FROM cover_art_archive.cover_art_type
+                   JOIN cover_art_archive.cover_art ca_front USING (id)
+                   WHERE ca_front.release = cover_art.release
+                   AND type_id = 1
+                   ORDER BY ca_front.ordering
+                   LIMIT 1), FALSE) AS is_front,
+  coalesce(cover_art.id = (SELECT id FROM cover_art_archive.cover_art_type
+                   JOIN cover_art_archive.cover_art ca_front USING (id)
+                   WHERE ca_front.release = cover_art.release
+                   AND type_id = 2
+                   ORDER BY ca_front.ordering
+                   LIMIT 1), FALSE) AS is_back,
+  array(SELECT art_type.name
+        FROM cover_art_archive.cover_art_type
+        JOIN cover_art_archive.art_type ON cover_art_type.type_id = art_type.id
+        WHERE cover_art_type.id = cover_art.id) AS types
+FROM cover_art_archive.cover_art
+LEFT JOIN musicbrainz.edit ON edit.id = cover_art.edit;
+
+-- EAA view
+CREATE OR REPLACE VIEW event_art_archive.index_listing AS
+SELECT event_art.*,
+  (edit.close_time IS NOT NULL) AS approved,
+  coalesce(event_art.id = (SELECT id FROM event_art_archive.event_art_type
+                   JOIN event_art_archive.event_art ea_front USING (id)
+                   WHERE ea_front.event = event_art.event
+                   AND type_id = 1
+                   ORDER BY ea_front.ordering
+                   LIMIT 1), FALSE) AS is_front,
+  array(SELECT art_type.name
+        FROM event_art_archive.event_art_type
+        JOIN event_art_archive.art_type ON event_art_type.type_id = art_type.id
+        WHERE event_art_type.id = event_art.id) AS types
+FROM event_art_archive.event_art
+LEFT JOIN musicbrainz.edit ON edit.id = event_art.edit;
+
+--------------------------------------------------------------------------------
+SELECT '20250320-mbs-13768.sql';
+
+
+-- Medium GID
+
+-- Creating column
+ALTER TABLE medium ADD COLUMN gid uuid;
+
+-- Generating GIDs
+UPDATE medium SET gid =
+    generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'medium' || id);
+
+-- Adding NOT NULL constraint
+ALTER TABLE medium ALTER COLUMN gid SET NOT NULL;
+
+-- Creating index
+CREATE UNIQUE INDEX medium_idx_gid ON medium (gid);
+
+-- Medium GID redirect
+CREATE TABLE medium_gid_redirect ( -- replicate (verbose)
+    gid                 UUID NOT NULL, -- PK
+    new_id              INTEGER NOT NULL, -- references medium.id
+    created             TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+ALTER TABLE medium_gid_redirect ADD CONSTRAINT medium_gid_redirect_pkey PRIMARY KEY (gid);
+
+CREATE INDEX medium_gid_redirect_idx_new_id ON medium_gid_redirect (new_id);
+
+--------------------------------------------------------------------------------
+SELECT '20250408-mbs-13964-all.sql';
+
+
+CREATE OR REPLACE FUNCTION set_mediums_recordings_first_release_dates(medium_ids INTEGER[])
+RETURNS VOID AS $$
+BEGIN
+  PERFORM set_recordings_first_release_dates((
+    SELECT array_agg(recording)
+      FROM track
+     WHERE track.medium = any(medium_ids)
+  ));
+  RETURN;
+END;
+$$ LANGUAGE 'plpgsql' STRICT;
+
+CREATE OR REPLACE FUNCTION a_upd_medium_mirror()
+RETURNS trigger AS $$
+BEGIN
+    -- DO NOT modify any replicated tables in this function; it's used
+    -- by a trigger on mirrors.
+    IF NEW.release IS DISTINCT FROM OLD.release THEN
+        PERFORM set_mediums_recordings_first_release_dates(ARRAY[OLD.id]);
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE TRIGGER a_upd_medium AFTER UPDATE ON medium
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_medium_mirror();
+
+TRUNCATE recording_first_release_date;
+
+--------------------------------------------------------------------------------
+SELECT '20250425-mbs-13966.sql';
+
+
+CREATE OR REPLACE FUNCTION set_release_group_first_release_date(release_group_id INTEGER)
+RETURNS VOID AS $$
+BEGIN
+    UPDATE release_group_meta SET first_release_date_year = first.year,
+                                  first_release_date_month = first.month,
+                                  first_release_date_day = first.day
+      FROM (
+        SELECT rd.year, rd.month, rd.day
+        FROM release_group
+        LEFT JOIN release ON release.release_group = release_group.id
+        LEFT JOIN release_first_release_date rd ON (rd.release = release.id)
+        WHERE release_group.id = release_group_id
+        ORDER BY
+          rd.year NULLS LAST,
+          rd.month NULLS LAST,
+          rd.day NULLS LAST
+        LIMIT 1
+      ) AS first
+    WHERE id = release_group_id;
+    INSERT INTO artist_release_group_pending_update VALUES (release_group_id);
+END;
+$$ LANGUAGE 'plpgsql';
+
+CREATE TEMPORARY TABLE tmp_release_first_release_date_2025_q2 (
+    release     INTEGER NOT NULL PRIMARY KEY,
+    year        SMALLINT,
+    month       SMALLINT,
+    day         SMALLINT
+) ON COMMIT DROP;
+
+INSERT INTO tmp_release_first_release_date_2025_q2
+    SELECT * FROM get_release_first_release_date_rows('TRUE');
+
+UPDATE release_group_meta SET first_release_date_year = first.year,
+                              first_release_date_month = first.month,
+                              first_release_date_day = first.day
+  FROM (
+    SELECT DISTINCT ON (release_group.id)
+        release_group.id AS release_group, rd.year, rd.month, rd.day
+    FROM release_group
+    LEFT JOIN release ON release.release_group = release_group.id
+    LEFT JOIN tmp_release_first_release_date_2025_q2 rd ON (rd.release = release.id)
+    ORDER BY
+      release_group.id,
+      rd.year NULLS LAST,
+      rd.month NULLS LAST,
+      rd.day NULLS LAST
+  ) AS first
+WHERE id = first.release_group
+  AND (
+    first_release_date_year IS DISTINCT FROM first.year
+    OR first_release_date_month IS DISTINCT FROM first.month
+    OR first_release_date_day IS DISTINCT FROM first.day
+  );
+
+-- Mirrors have a `a_upd_release_group_meta_mirror` trigger which inserts
+-- updated `release_group_meta` IDs into `artist_release_group_pending_update`,
+-- which in turn causes the associated entries in `artist_release_group`
+-- to be updated. That should be a no-op here, because the schema 30 upgrade
+-- already truncates `artist_release_group` (via dropping and recreating it)
+-- before this runs; but clear it anyway to avoid a pointless calculation in
+-- the `apply_artist_release_group_pending_updates` function.
+TRUNCATE artist_release_group_pending_update;
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/30.master_and_standalone.sql b/mbslave/sql/updates/schema-change/30.master_and_standalone.sql
new file mode 100644
index 0000000..d92cedb
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/30.master_and_standalone.sql
@@ -0,0 +1,74 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20241017-mbs-9253-master_and_standalone.sql
+-- 20250425-mbs-13464-master_and_standalone.sql
+-- 20250320-mbs-13768-fks.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20241017-mbs-9253-master_and_standalone.sql';
+
+SET search_path = musicbrainz;
+
+
+ALTER TABLE artist_release_group
+   ADD CONSTRAINT artist_release_group_fk_artist
+   FOREIGN KEY (artist)
+   REFERENCES artist(id)
+   ON DELETE CASCADE;
+
+ALTER TABLE artist_release_group
+   ADD CONSTRAINT artist_release_group_fk_release_group
+   FOREIGN KEY (release_group)
+   REFERENCES release_group(id)
+   ON DELETE CASCADE;
+
+CREATE TRIGGER a_upd_release_group_primary_type AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+CREATE TRIGGER a_upd_release_group_secondary_type AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+--------------------------------------------------------------------------------
+SELECT '20250425-mbs-13464-master_and_standalone.sql';
+
+SET search_path = musicbrainz;
+
+
+ALTER TABLE artist_release
+   ADD CONSTRAINT artist_release_fk_artist
+   FOREIGN KEY (artist)
+   REFERENCES artist(id)
+   ON DELETE CASCADE;
+
+ALTER TABLE artist_release
+   ADD CONSTRAINT artist_release_fk_release
+   FOREIGN KEY (release)
+   REFERENCES release(id)
+   ON DELETE CASCADE;
+
+--------------------------------------------------------------------------------
+SELECT '20250320-mbs-13768-fks.sql';
+
+SET search_path = musicbrainz;
+
+
+ALTER TABLE medium_gid_redirect
+   ADD CONSTRAINT medium_gid_redirect_fk_new_id
+   FOREIGN KEY (new_id)
+   REFERENCES medium(id);
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/30.mirror_only.sql b/mbslave/sql/updates/schema-change/30.mirror_only.sql
new file mode 100644
index 0000000..3cf3038
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/30.mirror_only.sql
@@ -0,0 +1,37 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20241017-mbs-9253-mirror_only.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20241017-mbs-9253-mirror_only.sql';
+
+
+DROP TRIGGER IF EXISTS a_upd_release_group_primary_type_mirror ON release_group_primary_type;
+
+CREATE TRIGGER a_upd_release_group_primary_type_mirror AFTER UPDATE ON release_group_primary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_primary_type_mirror();
+
+DROP TRIGGER IF EXISTS a_upd_release_group_secondary_type_mirror ON release_group_secondary_type;
+
+CREATE TRIGGER a_upd_release_group_secondary_type_mirror AFTER UPDATE ON release_group_secondary_type
+    FOR EACH ROW EXECUTE PROCEDURE a_upd_release_group_secondary_type_mirror();
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_primary_type;
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_primary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+DROP TRIGGER IF EXISTS apply_artist_release_group_pending_updates_mirror ON release_group_secondary_type;
+
+CREATE CONSTRAINT TRIGGER apply_artist_release_group_pending_updates_mirror
+    AFTER UPDATE ON release_group_secondary_type DEFERRABLE INITIALLY DEFERRED
+    FOR EACH ROW
+    WHEN (OLD.child_order IS DISTINCT FROM NEW.child_order)
+    EXECUTE PROCEDURE apply_artist_release_group_pending_updates();
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/31.all.sql b/mbslave/sql/updates/schema-change/31.all.sql
new file mode 100644
index 0000000..2de13ee
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/31.all.sql
@@ -0,0 +1,167 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20260121-mbs-14092.sql
+-- 20260212-mbs-14252.sql
+-- 20260422-mbs-6551-all.sql
+-- 20260502-search-756-all.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20260121-mbs-14092.sql';
+
+\set SERIES_PART_OF_SERIES_ID '1307'
+
+\set SERIES_PART_OF_SERIES_GID '''8fe04b66-fe39-40ce-a28f-76b816d3f55a'''
+
+-- id from link_attribute_type where name = 'number'
+\set LINK_ATTRIBUTE_TYPE_NUMBER_ID '788'
+
+-----------------------
+-- CREATE NEW VIEWS  --
+-----------------------
+
+CREATE OR REPLACE VIEW series_series AS
+    SELECT entity0 AS series_part,
+           entity1 AS series,
+           lss.id AS relationship,
+           link_order,
+           lss.link,
+           COALESCE(text_value, '') AS text_value
+    FROM l_series_series lss
+    JOIN series s ON s.id = lss.entity1
+    JOIN link l ON l.id = lss.link
+    JOIN link_type lt ON (lt.id = l.link_type AND lt.gid = '8da75c99-46ff-373c-9d31-276ca8fa8cc3')
+    LEFT OUTER JOIN link_attribute_text_value latv ON (latv.attribute_type = 788 AND latv.link = l.id)
+    ORDER BY series, link_order;
+
+-------------------------
+-- INSERT INITIAL DATA --
+-------------------------
+
+-- Part-of-series rel
+-- Already exists in production, but disabled (no description)
+
+-- We insert the rel where it does not exist (outside prod)
+INSERT INTO link_type (id, gid, entity_type0, entity_type1, entity0_cardinality,
+                       entity1_cardinality, name, description, link_phrase,
+                       reverse_link_phrase, long_link_phrase) VALUES
+    (
+        :SERIES_PART_OF_SERIES_ID,
+        :SERIES_PART_OF_SERIES_GID,
+        'series', 'series', 0, 0, 'part of',
+        '',
+        'part of', 'has parts', 'is a part of'
+    ) ON CONFLICT DO NOTHING;
+
+-- We add the description to enable the rel
+UPDATE link_type
+   SET description = 'Indicates that the series is part of a series.'
+ WHERE gid = :SERIES_PART_OF_SERIES_GID;
+
+-- We insert the attribute and orderable type where they do not exist (outside prod)
+INSERT INTO link_attribute_type (id, parent, root, child_order, gid, name, description, last_updated) VALUES
+    (
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        NULL,
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        0,
+        'a59c5830-5ec7-38fe-9a21-c7ea54f6650a',
+        'number',
+        'This attribute indicates the number of an entity in a series.',
+        '2021-05-10 11:27:11.858659+00'
+    ) ON CONFLICT DO NOTHING;
+
+INSERT INTO link_type_attribute_type (link_type, attribute_type, min, max) VALUES
+    (
+        :SERIES_PART_OF_SERIES_ID,
+        :LINK_ATTRIBUTE_TYPE_NUMBER_ID,
+        0,
+        1
+    ) ON CONFLICT DO NOTHING;
+
+INSERT INTO orderable_link_type (link_type, direction) VALUES
+    (:SERIES_PART_OF_SERIES_ID, 2) ON CONFLICT DO NOTHING;
+
+ALTER TABLE series_type DROP CONSTRAINT IF EXISTS allowed_series_entity_type;
+
+INSERT INTO series_type (id, name, entity_type, parent, child_order, description, gid) VALUES
+    (16, 'Series series', 'series', NULL, 6, 'A series of series.', generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'series_type16')),
+    (17, 'Series award', 'series', 16, 0, 'A series of series (such as podcasts or festivals) honoured by the same award.', generate_uuid_v3('6ba7b8119dad11d180b400c04fd430c8', 'series_type17'));
+
+\unset SERIES_PART_OF_SERIES_GID
+\unset LINK_ATTRIBUTE_TYPE_NUMBER_ID
+
+--------------------------------------------------------------------------------
+SELECT '20260212-mbs-14252.sql';
+
+
+ALTER TABLE isrc DROP COLUMN source CASCADE;
+ALTER TABLE iswc DROP COLUMN source CASCADE;
+
+--------------------------------------------------------------------------------
+SELECT '20260422-mbs-6551-all.sql';
+
+
+-- Prepare data for the `no_empty_string_catalog_number` constraint
+-- in admin/sql/updates/20260422-mbs-6551-master_and_standalone.sql.
+UPDATE release_label SET catalog_number = NULL WHERE catalog_number = '';
+
+-- This is mainly present for standalone databases. "Remove release label"
+-- edits were already manually entered for the few duplicates that existed
+-- in production.
+DELETE FROM release_label dupe
+USING release_label orig
+WHERE dupe.release = orig.release
+  AND dupe.label IS NOT DISTINCT FROM orig.label
+  AND dupe.catalog_number IS NOT DISTINCT FROM orig.catalog_number
+  AND dupe.id > orig.id;
+
+--------------------------------------------------------------------------------
+SELECT '20260502-search-756-all.sql';
+
+
+CREATE OR REPLACE FUNCTION sanitize_editor(e editor) RETURNS editor AS $$
+    SELECT ROW(
+        e.id,
+        e.name,
+        0::INTEGER,
+        ''::VARCHAR(64),
+        NULL::VARCHAR(255),
+        NULL::TEXT,
+        e.member_since,
+        e.email_confirm_date,
+        now()::TIMESTAMP WITH TIME ZONE,
+        e.last_updated,
+        NULL::DATE,
+        NULL::INTEGER,
+        NULL::INTEGER,
+        '{CLEARTEXT}mb'::VARCHAR(128),
+        md5(e.name || ':musicbrainz.org:mb')::CHAR(32),
+        e.deleted
+    )::editor
+$$ LANGUAGE sql STABLE PARALLEL SAFE;
+
+-- Adding `STRICT` on `sanitize_editor` would prevent inlining/optimization
+-- when called via the `editor_sanitized` view.
+CREATE OR REPLACE FUNCTION sanitize_editor_strict(e editor) RETURNS editor AS $$
+    SELECT sanitize_editor(e)
+$$ LANGUAGE sql STABLE STRICT PARALLEL SAFE;
+
+CREATE OR REPLACE FUNCTION sanitize_dbmirror2_editor_data() RETURNS trigger AS $$
+BEGIN
+    NEW.olddata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.olddata)));
+    NEW.newdata = row_to_json(sanitize_editor_strict(json_populate_record(NULL::editor, NEW.newdata)));
+    IF NEW.op = 'u' AND NEW.olddata::JSONB = NEW.newdata::JSONB THEN
+        -- Only sanitized columns have changed. No need to log the update.
+        RETURN NULL;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE VIEW editor_sanitized AS
+    SELECT (sanitize_editor(editor)).*
+    FROM editor;
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/31.master_and_standalone.sql b/mbslave/sql/updates/schema-change/31.master_and_standalone.sql
new file mode 100644
index 0000000..c3cd5ff
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/31.master_and_standalone.sql
@@ -0,0 +1,41 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20260121-mbs-14092-fks.sql
+-- 20260422-mbs-6551-master_and_standalone.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20260121-mbs-14092-fks.sql';
+
+------------------
+-- constraints  --
+------------------
+
+ALTER TABLE series_type ADD CONSTRAINT allowed_series_entity_type
+  CHECK (
+    entity_type IN (
+      'artist',
+      'event',
+      'recording',
+      'release',
+      'release_group',
+      'series',
+      'work'
+    )
+  );
+
+--------------------------------------------------------------------------------
+SELECT '20260422-mbs-6551-master_and_standalone.sql';
+
+
+ALTER TABLE release_label
+  ADD CONSTRAINT no_empty_string_catalog_number
+  CHECK (catalog_number != '');
+
+ALTER TABLE release_label
+  ADD CONSTRAINT release_label_uniq
+  UNIQUE NULLS NOT DISTINCT (release, label, catalog_number)
+  DEFERRABLE INITIALLY DEFERRED;
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/31.master_only.sql b/mbslave/sql/updates/schema-change/31.master_only.sql
new file mode 100644
index 0000000..d4b7202
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/31.master_only.sql
@@ -0,0 +1,124 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20260502-search-756-master_only.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20260502-search-756-master_only.sql';
+
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER sanitize_dbmirror2_editor_data
+    BEFORE INSERT ON dbmirror2.pending_data
+    FOR EACH ROW WHEN (NEW.tablename = 'musicbrainz.editor')
+    EXECUTE PROCEDURE sanitize_dbmirror2_editor_data();
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/31.mirror_only.sql b/mbslave/sql/updates/schema-change/31.mirror_only.sql
new file mode 100644
index 0000000..d250a98
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/31.mirror_only.sql
@@ -0,0 +1,119 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20260507-search-756-mirror_only.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20260507-search-756-mirror_only.sql';
+
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+COMMIT;
diff --git a/mbslave/sql/updates/schema-change/31.standalone_only.sql b/mbslave/sql/updates/schema-change/31.standalone_only.sql
new file mode 100644
index 0000000..f54b62b
--- /dev/null
+++ b/mbslave/sql/updates/schema-change/31.standalone_only.sql
@@ -0,0 +1,161 @@
+-- Generated by CompileSchemaScripts.pl from:
+-- 20260507-search-756-standalone_only.sql
+\set ON_ERROR_STOP 1
+BEGIN;
+SET search_path = musicbrainz, public;
+SET LOCAL statement_timeout = 0;
+--------------------------------------------------------------------------------
+SELECT '20260507-search-756-standalone_only.sql';
+
+
+DROP MATERIALIZED VIEW IF EXISTS dbmirror2.column_info CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_keys CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_ts CASCADE;
+DROP TABLE IF EXISTS dbmirror2.pending_data CASCADE;
+DROP EVENT TRIGGER IF EXISTS refresh_column_info;
+DROP FUNCTION IF EXISTS dbmirror2.refresh_column_info();
+
+CREATE OR REPLACE FUNCTION dbmirror2.recordchange()
+RETURNS trigger AS $$
+DECLARE
+    -- prefixed with an underscore to disambiguate it from the column names
+    -- pending_data.tablename and pending_keys.tablename
+    _tablename  TEXT;
+    keys        TEXT[];
+    -- prefixed with 'x' to avoid conflict with column name in queries
+    xoldctid    TID;
+    nextseqid   BIGINT;
+    -- out-of-order seqid
+    oooseqid    BIGINT;
+    oootrgdepth INTEGER;
+    pdcursor    NO SCROLL CURSOR (oooseqid INTEGER) FOR
+                    SELECT seqid
+                    FROM dbmirror2.pending_data
+                    WHERE xid = txid_current()
+                    AND seqid >= oooseqid
+                    ORDER BY seqid DESC
+                    FOR UPDATE;
+BEGIN
+    _tablename := (
+        quote_ident(TG_TABLE_SCHEMA) || '.' || quote_ident(TG_TABLE_NAME)
+    );
+
+    nextseqid := nextval(
+        pg_get_serial_sequence('dbmirror2.pending_data', 'seqid')
+    );
+
+    INSERT INTO dbmirror2.pending_ts (xid, ts)
+    VALUES (txid_current(), transaction_timestamp())
+    ON CONFLICT DO NOTHING;
+
+    IF TG_OP != 'INSERT' THEN
+        xoldctid := OLD.ctid;
+    END IF;
+
+    IF TG_OP != 'DELETE' THEN
+        -- Detect out-of-order operations caused by cascading triggers.
+        --
+        -- When row-level AFTER triggers are cascaded, the innermost trigger
+        -- runs first. This means we may potentially see an UPDATE or DELETE
+        -- of a row version that hasn't been added yet.
+        --
+        -- We detect this by storing OLD.ctid for every operation. (The ctid
+        -- is a tuple describing the physical location of the row version. We
+        -- only need this to be stable for the lifetime of the current
+        -- transaction.) We then check if there's a previous operation whose
+        -- OLD ctid equals our NEW ctid; these are then known to be out-of-
+        -- order. This previous operation's seqid is assigned to `oooseqid`
+        -- ("out-of-order seqid").
+        --
+        -- The order is fixed by shifting the sequence IDs from the current
+        -- transaction until they're corrected. The current-last operation
+        -- assumes `nextseqid`, the second-to-last assumes the seqid of the
+        -- last, and so on until `oooseqid` is unused. We then insert our new
+        -- operation with `oooseqid`.
+        --
+        -- Since we're never modifying `pending_data` rows inserted by other
+        -- transactions, this shifting should be safe.
+        SELECT seqid, trgdepth INTO oooseqid, oootrgdepth
+        FROM dbmirror2.pending_data
+        WHERE xid = txid_current()
+        AND tablename = _tablename
+        AND oldctid = NEW.ctid;
+
+        IF FOUND THEN
+            IF oootrgdepth IS NOT NULL AND oootrgdepth <= pg_trigger_depth() THEN
+                -- This should never happen! Cascading triggers are the only
+                -- known way for operations to arrive out of order. This
+                -- warning must be investigated if it's ever logged.
+                RAISE WARNING 'oootrgdepth (%) <= pg_trigger_depth() (%) (% ON %, OLD: %, NEW: %)',
+                    oootrgdepth, pg_trigger_depth(), TG_OP, _tablename, OLD, NEW;
+            END IF;
+
+            FOR pdrecord IN pdcursor (oooseqid := oooseqid) LOOP
+                UPDATE dbmirror2.pending_data
+                SET seqid = nextseqid
+                WHERE CURRENT OF pdcursor;
+
+                nextseqid := pdrecord.seqid;
+            END LOOP;
+
+            ASSERT (nextseqid = oooseqid);
+        END IF;
+    END IF;
+
+    INSERT INTO dbmirror2.pending_data
+        (seqid, tablename, op, xid, olddata, newdata, oldctid, trgdepth)
+    VALUES (
+        nextseqid,
+        _tablename,
+        lower(left(TG_OP, 1)),
+        txid_current(),
+        row_to_json(OLD),
+        row_to_json(NEW),
+        xoldctid,
+        pg_trigger_depth()
+    );
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TABLE dbmirror2.pending_keys (
+    tablename   TEXT,
+    keys        TEXT[] NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_keys
+    ADD CONSTRAINT pending_keys_pkey
+    PRIMARY KEY (tablename);
+
+CREATE TABLE dbmirror2.pending_ts (
+    xid BIGINT,
+    ts TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+ALTER TABLE dbmirror2.pending_ts
+    ADD CONSTRAINT pending_ts_pkey
+    PRIMARY KEY (xid);
+
+CREATE TABLE dbmirror2.pending_data (
+    seqid       BIGSERIAL,
+    tablename   TEXT NOT NULL CONSTRAINT tablename_exists CHECK (to_regclass(tablename) IS NOT NULL),
+    op          "char" NOT NULL CONSTRAINT op_in_diu CHECK (op IN ('d', 'i', 'u')),
+    xid         BIGINT NOT NULL,
+    olddata     JSON CONSTRAINT olddata_is_null_for_inserts CHECK ((olddata IS NULL) = (op = 'i')),
+    newdata     JSON CONSTRAINT newdata_is_null_for_deletes CHECK ((newdata IS NULL) = (op = 'd')),
+    oldctid     TID,
+    trgdepth    INTEGER
+);
+
+ALTER TABLE dbmirror2.pending_data
+    ADD CONSTRAINT pending_data_pkey
+    PRIMARY KEY (seqid);
+
+CREATE INDEX pending_data_idx_xid_seqid
+    ON dbmirror2.pending_data (xid, seqid);
+
+CREATE INDEX pending_data_idx_oldctid_xid
+    ON dbmirror2.pending_data (oldctid, xid);
+
+COMMIT;