Merge pull request #3383 from lonvia/window-searches

[nominatim.git] / nominatim / tools / migration.py

diff --git a/nominatim/tools/migration.py b/nominatim/tools/migration.py
index 0c88493bfbd34567f2d6ec4fb9d02deca0217065..e864ce5254e7840bee0059c98d8288beacff7af8 100644 (file)
--- a/nominatim/tools/migration.py
+++ b/nominatim/tools/migration.py
@@ -46,7 +46,6 @@ def migrate(config: Configuration, paths: Any) -> int:
             db_version = _guess_version(conn)
 
 
-        has_run_migration = False
         for version, func in _MIGRATION_FUNCTIONS:
             if db_version < version or \
                (db_version == (3, 5, 0, 99) and version == (3, 5, 0, 99)):
@@ -55,13 +54,11 @@ def migrate(config: Configuration, paths: Any) -> int:
                 kwargs = dict(conn=conn, config=config, paths=paths)
                 func(**kwargs)
                 conn.commit()
-                has_run_migration = True
 
-        if has_run_migration:
-            LOG.warning('Updating SQL functions.')
-            refresh.create_functions(conn, config)
-            tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
-            tokenizer.update_sql_functions(config)
+        LOG.warning('Updating SQL functions.')
+        refresh.create_functions(conn, config)
+        tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
+        tokenizer.update_sql_functions(config)
 
         properties.set_property(conn, 'database_version', str(NOMINATIM_VERSION))
 
@@ -385,3 +382,13 @@ def add_improved_geometry_reverse_placenode_index(conn: Connection, **_: Any) ->
                        WHERE rank_address between 4 and 25 AND type != 'postcode'
                          AND name is not null AND linked_place_id is null AND osm_type = 'N'
                     """)
+
+@_migration(4, 4, 99, 0)
+def create_postcode_ara_lookup_index(conn: Connection, **_: Any) -> None:
+    """ Create index needed for looking up postcode areas from postocde points.
+    """
+    with conn.cursor() as cur:
+        cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_postcode_areas
+                       ON placex USING BTREE (country_code, postcode)
+                       WHERE osm_type = 'R' AND class = 'boundary' AND type = 'postal_code'
+                    """)