MDL-88218: Add experimental SQLite support for Moodle WASM environments (5.0)#3
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erseco wants to merge 6 commits into
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MDL-88218: Add experimental SQLite support for Moodle WASM environments (5.0)#3erseco wants to merge 6 commits into
erseco wants to merge 6 commits into
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erseco
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The fetch_columns() method only queried sqlite_master for table metadata, but SQLite stores temporary tables in sqlite_temp_master. This caused "Table does not exist" errors when Moodle tried to access temporary tables (e.g. backup_ids_temp during activity duplication). Add UNION ALL with sqlite_temp_master, consistent with the existing pattern in get_tables().
database_column_info::__construct() reads its fields via object property access, so the SQLite driver's fetch_columns() must pass an object like the pgsql and mysqli drivers do. Passing the raw array left every property (including ->name) null, which broke callers reading $column->name (e.g. theme_snap's events query produced 'SELECT e., e., ...' and a syntax error).
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Reintroduces experimental SQLite support via PDO, intended for WASM-based and other constrained ephemeral runtimes.
pdo_moodle_databaseThis is not proposed as a production database backend. It targets portable demos, educational sandboxes, and local experimentation in WASM environments.
See tracker: MDL-88218