Remove standard: search operator

dandiapi/api/services/search/filters.py

@@ -38,7 +38,7 @@
         'published_after',
     }
 )
-_ASSET_OPS = frozenset({'species', 'approach', 'technique', 'standard', 'file_type'})
+_ASSET_OPS = frozenset({'species', 'approach', 'technique', 'file_type'})
 
 
 def _annotate_latest_version_modified(queryset):
@@ -68,7 +68,6 @@ def _annotate_latest_published_created(queryset):
     'species': '$.wasAttributedTo[*].species.name',
     'approach': '$.approach[*].name',
     'technique': '$.measurementTechnique[*].name',
-    'standard': '$.dataStandard[*].name',
 }
 
 
@@ -178,7 +177,7 @@ def apply_search_filters(
     if asset_qs is not None:
         # NOTE perf: jsonb_path_exists with a runtime-built jsonpath cannot
         # use the existing per-field GIN indexes; the path-scan operators
-        # (species/approach/technique/standard) currently sequential-scan the
+        # (species/approach/technique) currently sequential-scan the
         # asset_search materialized view. The view is small enough today
         # (~one row per asset) that this is acceptable, but if it becomes a
         # hot path the fix is expression GIN indexes on each path or

dandiapi/api/services/search/parser.py

@@ -29,7 +29,6 @@
         'species',
         'approach',
         'technique',
-        'standard',
         'file_type',
     }
 )

dandiapi/api/tests/test_dandiset.py

@@ -1969,21 +1969,6 @@ def test_advanced_search_technique_with_quoted_phrase(api_client):
     assert _search_ids(api_client, 'technique:surgical') == {surg.identifier}
 
 
-@pytest.mark.ai_generated
-@pytest.mark.django_db
-def test_advanced_search_standard_matches(api_client):
-    nwb = _seed_dandiset_with_asset(
-        asset_metadata={'dataStandard': [{'name': 'Neurodata Without Borders (NWB)'}]},
-    )
-    bids = _seed_dandiset_with_asset(
-        asset_metadata={'dataStandard': [{'name': 'Brain Imaging Data Structure (BIDS)'}]},
-    )
-    _refresh_asset_search()
-
-    assert _search_ids(api_client, 'standard:NWB') == {nwb.identifier}
-    assert _search_ids(api_client, 'standard:BIDS') == {bids.identifier}
-
-
 @pytest.mark.ai_generated
 @pytest.mark.django_db
 def test_advanced_search_file_type_alias_and_mime(api_client):

dandiapi/api/views/serializers.py

@@ -309,7 +309,7 @@ class DandisetQueryParameterSerializer(serializers.Serializer):
             'Available operators: '
             'created_before, created_after, modified_before, modified_after, '
             'published_before, published_after (all take YYYY-MM-DD); '
-            'species, approach, technique, standard (case-insensitive '
+            'species, approach, technique (case-insensitive '
             'substring against the corresponding asset_metadata array); '
             'file_type (nwb, image, text, video — or any MIME prefix). '
             'Invalid syntax returns HTTP 400 with the offending token; '

web/src/components/DandisetSearchField.vue

@@ -93,7 +93,6 @@ const operatorHelp = [
   { example: 'species:mouse', description: 'Has assets attributed to a species' },
   { example: 'approach:electrophysiology', description: 'Has assets using an approach' },
   { example: 'technique:"patch clamp"', description: 'Has assets using a measurement technique' },
-  { example: 'standard:nwb', description: 'Has assets in a data standard' },
   { example: 'file_type:nwb', description: 'Has assets of a file type (nwb, image, text, video)' },
 ];