Index regional municipality feature lookup

2026-07-16 00:53:37 +02:00
parent 3b94dbc9c7
commit 54e8488c7d
4 changed files with 44 additions and 1 deletions
@@ -306,3 +306,12 @@ Their `provenance_metadata` records 28-partition identity, combined output
 checksum and retained raw-response status. Municipality-clipped source ids are
 partition-suffixed for uniqueness, while `identity_stable=false` prohibits
 object-lineage interpretation. No partition or temporal shadow table is added.
+### Partitioned vector feature lookup index
+
+Regional operator Datasets retain their municipality partition identity in
+`vector_features.properties_json.municipality`. Migration `202607160001` adds
+the composite expression index
+`ix_vector_features_dataset_municipality(dataset_id, properties_json->>'municipality')`.
+It supports exact preclipped municipality selection without changing the
+canonical `vector_features` schema or introducing operator-specific tables.
+Free rectangle queries continue to use the geometry GiST index.