X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/6d39563b872b21825a61949e88bc47a0e88c7573..02af0a2c87e2aaac5d51a06d59cfa0f51f45fc2d:/nominatim/api/core.py

diff --git a/nominatim/api/core.py b/nominatim/api/core.py
index f975f44a..3481e647 100644
--- 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