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

diff --git a/nominatim/tools/migration.py b/nominatim/tools/migration.py
index 545f5c486a9c15e76106f081e4a1f1beb34ef761..ffeb4958f409ce285e7fa8f91ba2d342ffe2cfe9 100644 (file)
--- a/nominatim/tools/migration.py
+++ b/nominatim/tools/migration.py
@@ -46,21 +46,19 @@ def migrate(config: Configuration, paths: Any) -> int:
             db_version = _guess_version(conn)
 
 
             db_version = _guess_version(conn)
 
 

-        has_run_migration = False

         for version, func in _MIGRATION_FUNCTIONS:
         for version, func in _MIGRATION_FUNCTIONS:

-            if db_version <= version:
+            if db_version < version or \
+               (db_version == (3, 5, 0, 99) and version == (3, 5, 0, 99)):

                 title = func.__doc__ or ''
                 LOG.warning("Running: %s (%s)", title.split('\n', 1)[0], version)
                 kwargs = dict(conn=conn, config=config, paths=paths)
                 func(**kwargs)
                 conn.commit()
                 title = func.__doc__ or ''
                 LOG.warning("Running: %s (%s)", title.split('\n', 1)[0], version)
                 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))
 
 
         properties.set_property(conn, 'database_version', str(NOMINATIM_VERSION))
 


@@ -104,7 +102,7 @@ def _migration(major: int, minor: int, patch: int = 0,
         there.
     """
     def decorator(func: Callable[..., None]) -> Callable[..., None]:
         there.
     """
     def decorator(func: Callable[..., None]) -> Callable[..., None]:

-        version = (NominatimVersion(major, minor, patch, dbpatch))
+        version = NominatimVersion(major, minor, patch, dbpatch)

         _MIGRATION_FUNCTIONS.append((version, func))
         return func
 
         _MIGRATION_FUNCTIONS.append((version, func))
         return func
 


@@ -371,3 +369,16 @@ def enable_forward_dependencies(conn: Connection, **_: Any) -> None:
                                  ON planet_osm_rels USING gin (parts)
                                  WITH (fastupdate=off)""")
                 cur.execute("ANALYZE planet_osm_ways")
                                  ON planet_osm_rels USING gin (parts)
                                  WITH (fastupdate=off)""")
                 cur.execute("ANALYZE planet_osm_ways")

+
+
+@_migration(4, 2, 99, 1)
+def add_improved_geometry_reverse_placenode_index(conn: Connection, **_: Any) -> None:
+    """ Create improved index for reverse lookup of place nodes.
+    """
+    with conn.cursor() as cur:
+        cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_geometry_reverse_lookupPlaceNode
+                       ON placex
+                       USING gist (ST_Buffer(geometry, reverse_place_diameter(rank_search)))
+                       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'
+                    """)