minimum counts for tokens should always be 1

[nominatim.git] / nominatim / api / core.py

diff --git a/nominatim/api/core.py b/nominatim/api/core.py
index f975f44aaec39b3e358329f67c0c0da70f702017..333833b030f2d4b2d3775a91f64599768d0d7073 100644 (file)
--- a/nominatim/api/core.py
+++ b/nominatim/api/core.py
@@ -88,7 +88,7 @@ class NominatimAPIAsync: #pylint: disable=too-many-instance-attributes
             if self.config.get_int('API_POOL_SIZE') == 0:
                 extra_args['poolclass'] = sa.pool.NullPool
             else:
-                extra_args['poolclass'] = sa.pool.QueuePool
+                extra_args['poolclass'] = sa.pool.AsyncAdaptedQueuePool
                 extra_args['max_overflow'] = 0
                 extra_args['pool_size'] = self.config.get_int('API_POOL_SIZE')
 
@@ -101,6 +101,10 @@ class NominatimAPIAsync: #pylint: disable=too-many-instance-attributes
                 dburl = sa.engine.URL.create('sqlite+aiosqlite',
                                              database=params.get('dbname'))
 
+                if not ('NOMINATIM_DATABASE_RW' in self.config.environ
+                        and self.config.get_bool('DATABASE_RW')) \
+                   and not Path(params.get('dbname', '')).is_file():
+                    raise UsageError(f"SQlite database '{params.get('dbname')}' does not exist.")
             else:
                 dsn = self.config.get_database_params()
                 query = {k: v for k, v in dsn.items()
@@ -133,6 +137,10 @@ class NominatimAPIAsync: #pylint: disable=too-many-instance-attributes
                     async with engine.begin() as conn:
                         result = await conn.scalar(sa.text('SHOW server_version_num'))
                         server_version = int(result)
+                        if server_version >= 110000:
+                            await conn.execute(sa.text("SET jit_above_cost TO '-1'"))
+                            await conn.execute(sa.text(
+                                    "SET max_parallel_workers_per_gather TO '0'"))
                 except (PGCORE_ERROR, sa.exc.OperationalError):
                     server_version = 0
 
@@ -142,8 +150,6 @@ class NominatimAPIAsync: #pylint: disable=too-many-instance-attributes
                         cursor = dbapi_con.cursor()
                         cursor.execute("SET jit_above_cost TO '-1'")
                         cursor.execute("SET max_parallel_workers_per_gather TO '0'")
-                    # Make sure that all connections get the new settings
-                    await engine.dispose()
 
             self._property_cache['DB:server_version'] = server_version
 
@@ -368,7 +374,7 @@ class NominatimAPI:
         """ Close all active connections to the database.
 
             This function also closes the asynchronous worker loop making
-            the NominatimAPI object unusuable.
+            the NominatimAPI object unusable.
         """
         self._loop.run_until_complete(self._async_api.close())
         self._loop.close()
@@ -441,7 +447,7 @@ class NominatimAPI:
                   place. Only meaning full for POI-like objects (places with a
                   rank_address of 30).
               linked_place_id (Optional[int]): Internal ID of the place this object
-                  linkes to. When this ID is set then there is no guarantee that
+                  links to. When this ID is set then there is no guarantee that
                   the rest of the result information is complete.
               admin_level (int): Value of the `admin_level` OSM tag. Only meaningful
                   for administrative boundary objects.