diff --git a/src/nominatim_db/db/query_pool.py b/src/nominatim_db/db/query_pool.py
index 2f7307a3..addfb88c 100644
--- a/src/nominatim_db/db/query_pool.py
+++ b/src/nominatim_db/db/query_pool.py
@@ -38,6 +38,7 @@ class QueryPool:
         """ Schedule a query for execution.
         """
         if self.is_cancelled:
+            self.clear_queue()
             await self.finish()
             return
 
@@ -47,6 +48,7 @@ class QueryPool:
         await asyncio.sleep(0)
 
         if self.is_cancelled:
+            self.clear_queue()
             await self.finish()
 
     async def finish(self) -> None:
diff --git a/test/python/conftest.py b/test/python/conftest.py
index 2f19ed4c..0234dd05 100644
--- a/test/python/conftest.py
+++ b/test/python/conftest.py
@@ -2,7 +2,7 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 import itertools
 import sys
@@ -17,12 +17,11 @@ SRC_DIR = (Path(__file__) / '..' / '..' / '..').resolve()
 sys.path.insert(0, str(SRC_DIR / 'src'))
 
 from nominatim_db.config import Configuration
-from nominatim_db.db import connection
+from nominatim_db.db import connection, properties
 from nominatim_db.db.sql_preprocessor import SQLPreprocessor
 import nominatim_db.tokenizer.factory
 
 import dummy_tokenizer
-import mocks
 from cursor import CursorForTesting
 
 
@@ -132,28 +131,49 @@ def project_env(tmp_path):
 
 
 @pytest.fixture
-def property_table(table_factory, temp_db_conn):
-    table_factory('nominatim_properties', 'property TEXT, value TEXT')
-
-    return mocks.MockPropertyTable(temp_db_conn)
+def country_table(table_factory):
+    table_factory('country_name', 'partition INT, country_code varchar(2), name hstore')
 
 
 @pytest.fixture
-def status_table(table_factory):
+def country_row(country_table, temp_db_cursor):
+    def _add(partition=None, country=None, names=None):
+        temp_db_cursor.insert_row('country_name', partition=partition,
+                                  country_code=country, name=names)
+
+    return _add
+
+
+@pytest.fixture
+def load_sql(temp_db_conn, country_row):
+    proc = SQLPreprocessor(temp_db_conn, Configuration(None))
+
+    def _run(filename, **kwargs):
+        proc.run_sql_file(temp_db_conn, filename, **kwargs)
+
+    return _run
+
+
+@pytest.fixture
+def property_table(load_sql, temp_db_conn):
+    load_sql('tables/nominatim_properties.sql')
+
+    class _PropTable:
+        def set(self, name, value):
+            properties.set_property(temp_db_conn, name, value)
+
+        def get(self, name):
+            return properties.get_property(temp_db_conn, name)
+
+    return _PropTable()
+
+
+@pytest.fixture
+def status_table(load_sql):
     """ Create an empty version of the status table and
         the status logging table.
     """
-    table_factory('import_status',
-                  """lastimportdate timestamp with time zone NOT NULL,
-                     sequence_id integer,
-                     indexed boolean""")
-    table_factory('import_osmosis_log',
-                  """batchend timestamp,
-                     batchseq integer,
-                     batchsize bigint,
-                     starttime timestamp,
-                     endtime timestamp,
-                     event text""")
+    load_sql('tables/status.sql')
 
 
 @pytest.fixture
@@ -178,12 +198,14 @@ def place_row(place_table, temp_db_cursor):
         prerequisite to the fixture.
     """
     idseq = itertools.count(1001)
+
     def _insert(osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
-                admin_level=None, address=None, extratags=None, geom=None):
-        temp_db_cursor.execute("INSERT INTO place VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)",
-                               (osm_id or next(idseq), osm_type, cls, typ, names,
-                                admin_level, address, extratags,
-                                geom or 'SRID=4326;POINT(0 0)'))
+                admin_level=None, address=None, extratags=None, geom='POINT(0 0)'):
+        args = {'osm_type': osm_type, 'osm_id': osm_id or next(idseq),
+                'class': cls, 'type': typ, 'name': names, 'admin_level': admin_level,
+                'address': address, 'extratags': extratags,
+                'geometry': _with_srid(geom)}
+        temp_db_cursor.insert_row('place', **args)
 
     return _insert
 
@@ -203,50 +225,66 @@ def place_postcode_table(temp_db_with_extensions, table_factory):
 
 @pytest.fixture
 def place_postcode_row(place_postcode_table, temp_db_cursor):
-    """ A factory for rows in the place table. The table is created as a
+    """ A factory for rows in the place_postcode table. The table is created as a
         prerequisite to the fixture.
     """
     idseq = itertools.count(5001)
+
     def _insert(osm_type='N', osm_id=None, postcode=None, country=None,
-                centroid=None, geom=None):
-        temp_db_cursor.execute("INSERT INTO place_postcode VALUES (%s, %s, %s, %s, %s, %s)",
-                               (osm_type, osm_id or next(idseq),
-                                postcode, country,
-                                _with_srid(centroid, 'POINT(12.0 4.0)'),
-                                _with_srid(geom)))
+                centroid='POINT(12.0 4.0)', geom=None):
+        temp_db_cursor.insert_row('place_postcode',
+                                  osm_type=osm_type, osm_id=osm_id or next(idseq),
+                                  postcode=postcode, country_code=country,
+                                  centroid=_with_srid(centroid),
+                                  geometry=_with_srid(geom))
 
     return _insert
 
 
 @pytest.fixture
-def placex_table(temp_db_with_extensions, temp_db_conn):
-    """ Create an empty version of the place table.
+def placex_table(temp_db_with_extensions, temp_db_conn, load_sql, place_table):
+    """ Create an empty version of the placex table.
     """
-    return mocks.MockPlacexTable(temp_db_conn)
+    load_sql('tables/placex.sql')
+    temp_db_conn.execute("CREATE SEQUENCE IF NOT EXISTS seq_place START 1")
 
 
 @pytest.fixture
-def osmline_table(temp_db_with_extensions, table_factory):
-    table_factory('location_property_osmline',
-                  """place_id BIGINT,
-                     osm_id BIGINT,
-                     parent_place_id BIGINT,
-                     geometry_sector INTEGER,
-                     indexed_date TIMESTAMP,
-                     startnumber INTEGER,
-                     endnumber INTEGER,
-                     partition SMALLINT,
-                     indexed_status SMALLINT,
-                     linegeo GEOMETRY,
-                     interpolationtype TEXT,
-                     address HSTORE,
-                     postcode TEXT,
-                     country_code VARCHAR(2)""")
+def placex_row(placex_table, temp_db_cursor):
+    """ A factory for rows in the placex table. The table is created as a
+        prerequisite to the fixture.
+    """
+    idseq = itertools.count(1001)
+
+    def _add(osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
+             admin_level=None, address=None, extratags=None, geom='POINT(10 4)',
+             country=None, housenumber=None, rank_search=30, rank_address=30,
+             centroid='POINT(10 4)', indexed_status=0, indexed_date=None):
+        args = {'place_id': pysql.SQL("nextval('seq_place')"),
+                'osm_type': osm_type, 'osm_id': osm_id or next(idseq),
+                'class': cls, 'type': typ, 'name': names, 'admin_level': admin_level,
+                'address': address, 'housenumber': housenumber,
+                'rank_search': rank_search, 'rank_address': rank_address,
+                'extratags': extratags,
+                'centroid': _with_srid(centroid), 'geometry': _with_srid(geom),
+                'country_code': country,
+                'indexed_status': indexed_status, 'indexed_date': indexed_date,
+                'partition': pysql.Literal(0), 'geometry_sector': pysql.Literal(1)}
+        return temp_db_cursor.insert_row('placex', **args)
+
+    return _add
 
 
 @pytest.fixture
-def sql_preprocessor_cfg(tmp_path, table_factory, temp_db_with_extensions):
-    table_factory('country_name', 'partition INT', ((0, ), (1, ), (2, )))
+def osmline_table(temp_db_with_extensions, load_sql):
+    load_sql('tables/interpolation.sql')
+
+
+@pytest.fixture
+def sql_preprocessor_cfg(tmp_path, table_factory, temp_db_with_extensions, country_row):
+    for part in range(3):
+        country_row(partition=part)
+
     cfg = Configuration(None)
     cfg.set_libdirs(sql=tmp_path)
     return cfg
diff --git a/test/python/cursor.py b/test/python/cursor.py
index 5dc93cd5..1fc18720 100644
--- a/test/python/cursor.py
+++ b/test/python/cursor.py
@@ -2,12 +2,13 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
 Specialised psycopg cursor with shortcut functions useful for testing.
 """
 import psycopg
+from psycopg import sql as pysql
 
 
 class CursorForTesting(psycopg.Cursor):
@@ -52,7 +53,49 @@ class CursorForTesting(psycopg.Cursor):
     def table_rows(self, table, where=None):
         """ Return the number of rows in the given table.
         """
-        if where is None:
-            return self.scalar('SELECT count(*) FROM ' + table)
+        sql = pysql.SQL('SELECT count(*) FROM') + pysql.Identifier(table)
+        if where is not None:
+            sql += pysql.SQL('WHERE') + pysql.SQL(where)
 
-        return self.scalar('SELECT count(*) FROM {} WHERE {}'.format(table, where))
+        return self.scalar(sql)
+
+    def insert_row(self, table, **data):
+        """ Insert a row into the given table.
+
+            'data' is a dictionary of column names and associated values.
+            When the value is a pysql.Literal or pysql.SQL, then the expression
+            will be inserted as is instead of loading the value. When the
+            value is a tuple, then the first element will be added as an
+            SQL expression for the value and the second element is treated
+            as the actual value to insert. The SQL expression must contain
+            a %s placeholder in that case.
+
+            If data contains a 'place_id' column, then the value of the
+            place_id column after insert is returned. Otherwise the function
+            returns nothing.
+        """
+        columns = []
+        placeholders = []
+        values = []
+        for k, v in data.items():
+            columns.append(pysql.Identifier(k))
+            if isinstance(v, tuple):
+                placeholders.append(pysql.SQL(v[0]))
+                values.append(v[1])
+            elif isinstance(v, (pysql.Literal, pysql.SQL)):
+                placeholders.append(v)
+            else:
+                placeholders.append(pysql.Placeholder())
+                values.append(v)
+
+        sql = pysql.SQL("INSERT INTO {table} ({columns}) VALUES({values})")\
+                   .format(table=pysql.Identifier(table),
+                           columns=pysql.SQL(',').join(columns),
+                           values=pysql.SQL(',').join(placeholders))
+
+        if 'place_id' in data:
+            sql += pysql.SQL('RETURNING place_id')
+
+        self.execute(sql, values)
+
+        return self.fetchone()[0] if 'place_id' in data else None
diff --git a/test/python/data/test_country_info.py b/test/python/data/test_country_info.py
index ea7caa3e..c2b2a0db 100644
--- a/test/python/data/test_country_info.py
+++ b/test/python/data/test_country_info.py
@@ -53,11 +53,10 @@ def test_setup_country_tables(src_dir, temp_db_with_extensions, dsn, temp_db_cur
 
 @pytest.mark.parametrize("languages", (None, ['fr', 'en']))
 def test_create_country_names(temp_db_with_extensions, temp_db_conn, temp_db_cursor,
-                              table_factory, tokenizer_mock, languages, loaded_country):
-
-    table_factory('country_name', 'country_code varchar(2), name hstore',
-                  content=(('us', '"name"=>"us1","name:af"=>"us2"'),
-                           ('fr', '"name"=>"Fra", "name:en"=>"Fren"')))
+                              country_row, tokenizer_mock, languages, loaded_country):
+    temp_db_cursor.execute('TRUNCATE country_name')
+    country_row(country='us', names={"name": "us1", "name:af": "us2"})
+    country_row(country='fr', names={"name": "Fra", "name:en": "Fren"})
 
     assert temp_db_cursor.scalar("SELECT count(*) FROM country_name") == 2
 
diff --git a/test/python/mocks.py b/test/python/mocks.py
deleted file mode 100644
index 16a5747e..00000000
--- a/test/python/mocks.py
+++ /dev/null
@@ -1,85 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# This file is part of Nominatim. (https://nominatim.org)
-#
-# Copyright (C) 2025 by the Nominatim developer community.
-# For a full list of authors see the git log.
-"""
-Custom mocks for testing.
-"""
-import itertools
-
-from nominatim_db.db import properties
-
-
-class MockPlacexTable:
-    """ A placex table for testing.
-    """
-    def __init__(self, conn):
-        self.idseq = itertools.count(10000)
-        self.conn = conn
-        with conn.cursor() as cur:
-            cur.execute("""CREATE TABLE placex (
-                               place_id BIGINT,
-                               parent_place_id BIGINT,
-                               linked_place_id BIGINT,
-                               importance FLOAT,
-                               indexed_date TIMESTAMP,
-                               geometry_sector INTEGER,
-                               rank_address SMALLINT,
-                               rank_search SMALLINT,
-                               partition SMALLINT,
-                               indexed_status SMALLINT,
-                               osm_id int8,
-                               osm_type char(1),
-                               class text,
-                               type text,
-                               name hstore,
-                               admin_level smallint,
-                               address hstore,
-                               extratags hstore,
-                               token_info jsonb,
-                               geometry Geometry(Geometry,4326),
-                               wikipedia TEXT,
-                               country_code varchar(2),
-                               housenumber TEXT,
-                               postcode TEXT,
-                               centroid GEOMETRY(Geometry, 4326))""")
-            cur.execute("CREATE SEQUENCE IF NOT EXISTS seq_place")
-        conn.commit()
-
-    def add(self, osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
-            admin_level=None, address=None, extratags=None, geom='POINT(10 4)',
-            country=None, housenumber=None, rank_search=30, centroid=None):
-        with self.conn.cursor() as cur:
-            cur.execute("""INSERT INTO placex (place_id, osm_type, osm_id, class,
-                                               type, name, admin_level, address,
-                                               housenumber, rank_search,
-                                               extratags, centroid, geometry, country_code)
-                            VALUES(nextval('seq_place'), %s, %s, %s, %s, %s, %s,
-                                   %s, %s, %s, %s, %s, %s, %s)
-                            RETURNING place_id""",
-                        (osm_type, osm_id or next(self.idseq), cls, typ, names,
-                         admin_level, address, housenumber, rank_search,
-                         extratags, centroid, 'SRID=4326;' + geom,
-                         country))
-            place_id = cur.fetchone()[0]
-        self.conn.commit()
-        return place_id
-
-
-class MockPropertyTable:
-    """ A property table for testing.
-    """
-    def __init__(self, conn):
-        self.conn = conn
-
-    def set(self, name, value):
-        """ Set a property in the table to the given value.
-        """
-        properties.set_property(self.conn, name, value)
-
-    def get(self, name):
-        """ Set a property in the table to the given value.
-        """
-        return properties.get_property(self.conn, name)
diff --git a/test/python/tokenizer/test_icu.py b/test/python/tokenizer/test_icu.py
index 67c2b84b..6a83f193 100644
--- a/test/python/tokenizer/test_icu.py
+++ b/test/python/tokenizer/test_icu.py
@@ -2,7 +2,7 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
 Tests for ICU tokenizer.
@@ -15,7 +15,6 @@ import pytest
 from nominatim_db.tokenizer import icu_tokenizer
 import nominatim_db.tokenizer.icu_rule_loader
 from nominatim_db.db import properties
-from nominatim_db.db.sql_preprocessor import SQLPreprocessor
 from nominatim_db.data.place_info import PlaceInfo
 
 from mock_icu_word_table import MockIcuWordTable
@@ -90,13 +89,9 @@ def analyzer(tokenizer_factory, test_config, monkeypatch,
 
 
 @pytest.fixture
-def sql_functions(temp_db_conn, def_config, src_dir):
-    orig_sql = def_config.lib_dir.sql
-    def_config.lib_dir.sql = src_dir / 'lib-sql'
-    sqlproc = SQLPreprocessor(temp_db_conn, def_config)
-    sqlproc.run_sql_file(temp_db_conn, 'functions/utils.sql')
-    sqlproc.run_sql_file(temp_db_conn, 'tokenizer/icu_tokenizer.sql')
-    def_config.lib_dir.sql = orig_sql
+def sql_functions(load_sql):
+    load_sql('functions/utils.sql')
+    load_sql('tokenizer/icu_tokenizer.sql')
 
 
 @pytest.fixture
@@ -653,22 +648,21 @@ class TestUpdateWordTokens:
         self.tok.update_word_tokens()
         assert word_table.count_housenumbers() == 1
 
-    def test_keep_housenumbers_from_placex_table(self, add_housenumber, word_table,
-                                                 placex_table):
+    def test_keep_housenumbers_from_placex_table(self, add_housenumber, word_table, placex_row):
         add_housenumber(9999, '5432a')
         add_housenumber(9990, '34z')
-        placex_table.add(housenumber='34z')
-        placex_table.add(housenumber='25432a')
+        placex_row(housenumber='34z')
+        placex_row(housenumber='25432a')
 
         assert word_table.count_housenumbers() == 2
         self.tok.update_word_tokens()
         assert word_table.count_housenumbers() == 1
 
     def test_keep_housenumbers_from_placex_table_hnr_list(self, add_housenumber,
-                                                          word_table, placex_table):
+                                                          word_table, placex_row):
         add_housenumber(9991, '9 b')
         add_housenumber(9990, '34z')
-        placex_table.add(housenumber='9 a;9 b;9 c')
+        placex_row(housenumber='9 a;9 b;9 c')
 
         assert word_table.count_housenumbers() == 2
         self.tok.update_word_tokens()
diff --git a/test/python/tools/test_admin.py b/test/python/tools/test_admin.py
index e758bca2..1097707b 100644
--- a/test/python/tools/test_admin.py
+++ b/test/python/tools/test_admin.py
@@ -2,17 +2,17 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
 Tests for maintenance and analysis functions.
 """
 import pytest
+import datetime as dt
 
 from nominatim_db.errors import UsageError
 from nominatim_db.tools import admin
 from nominatim_db.tokenizer import factory
-from nominatim_db.db.sql_preprocessor import SQLPreprocessor
 
 
 @pytest.fixture(autouse=True)
@@ -61,15 +61,14 @@ def test_analyse_indexing_unknown_osmid(project_env):
         admin.analyse_indexing(project_env, osm_id='W12345674')
 
 
-def test_analyse_indexing_with_place_id(project_env, temp_db_cursor):
-    temp_db_cursor.execute("INSERT INTO placex (place_id) VALUES(12345)")
+def test_analyse_indexing_with_place_id(project_env, placex_row):
+    place_id = placex_row()
 
-    admin.analyse_indexing(project_env, place_id=12345)
+    admin.analyse_indexing(project_env, place_id=place_id)
 
 
-def test_analyse_indexing_with_osm_id(project_env, temp_db_cursor):
-    temp_db_cursor.execute("""INSERT INTO placex (place_id, osm_type, osm_id)
-                              VALUES(9988, 'N', 10000)""")
+def test_analyse_indexing_with_osm_id(project_env, placex_row):
+    placex_row(osm_type='N', osm_id=10000)
 
     admin.analyse_indexing(project_env, osm_id='N10000')
 
@@ -77,8 +76,8 @@ def test_analyse_indexing_with_osm_id(project_env, temp_db_cursor):
 class TestAdminCleanDeleted:
 
     @pytest.fixture(autouse=True)
-    def setup_polygon_delete(self, project_env, table_factory, place_table,
-                             osmline_table, temp_db_cursor, temp_db_conn, def_config, src_dir):
+    def setup_polygon_delete(self, project_env, table_factory, place_table, placex_row,
+                             osmline_table, temp_db_cursor, load_sql):
         """ Set up place_force_delete function and related tables
         """
         self.project_env = project_env
@@ -91,12 +90,15 @@ class TestAdminCleanDeleted:
                       ((100, 'N', 'boundary', 'administrative'),
                        (145, 'N', 'boundary', 'administrative'),
                        (175, 'R', 'landcover', 'grass')))
-        temp_db_cursor.execute("""
-            INSERT INTO placex (place_id, osm_id, osm_type, class, type,
-                                indexed_date, indexed_status)
-            VALUES(1, 100, 'N', 'boundary', 'administrative', current_date - INTERVAL '1 month', 1),
-                  (2, 145, 'N', 'boundary', 'administrative', current_date - INTERVAL '3 month', 1),
-                  (3, 175, 'R', 'landcover', 'grass', current_date - INTERVAL '3 months', 1)""")
+
+        now = dt.datetime.now()
+        placex_row(osm_type='N', osm_id=100, cls='boundary', typ='administrative',
+                   indexed_status=1, indexed_date=now - dt.timedelta(days=30))
+        placex_row(osm_type='N', osm_id=145, cls='boundary', typ='administrative',
+                   indexed_status=1, indexed_date=now - dt.timedelta(days=90))
+        placex_row(osm_type='R', osm_id=175, cls='landcover', typ='grass',
+                   indexed_status=1, indexed_date=now - dt.timedelta(days=90))
+
         # set up tables and triggers for utils function
         table_factory('place_to_be_deleted',
                       """osm_id BIGINT,
@@ -104,7 +106,6 @@ class TestAdminCleanDeleted:
                       class TEXT NOT NULL,
                       type TEXT NOT NULL,
                       deferred BOOLEAN""")
-        table_factory('country_name', 'partition INT')
         table_factory('import_polygon_error', """osm_id BIGINT,
                       osm_type CHAR(1),
                       class TEXT NOT NULL,
@@ -115,11 +116,7 @@ class TestAdminCleanDeleted:
                                $$ LANGUAGE plpgsql;""")
         temp_db_cursor.execute("""CREATE TRIGGER place_before_delete BEFORE DELETE ON place
                                FOR EACH ROW EXECUTE PROCEDURE place_delete();""")
-        orig_sql = def_config.lib_dir.sql
-        def_config.lib_dir.sql = src_dir / 'lib-sql'
-        sqlproc = SQLPreprocessor(temp_db_conn, def_config)
-        sqlproc.run_sql_file(temp_db_conn, 'functions/utils.sql')
-        def_config.lib_dir.sql = orig_sql
+        load_sql('functions/utils.sql')
 
     def test_admin_clean_deleted_no_records(self):
         admin.clean_deleted_relations(self.project_env, age='1 year')
diff --git a/test/python/tools/test_database_import.py b/test/python/tools/test_database_import.py
index 221e4fba..ec8f504c 100644
--- a/test/python/tools/test_database_import.py
+++ b/test/python/tools/test_database_import.py
@@ -170,14 +170,41 @@ def test_truncate_database_tables(temp_db_conn, temp_db_cursor, table_factory, w
 @pytest.mark.asyncio
 async def test_load_data(dsn, place_row, placex_table, osmline_table,
                          temp_db_cursor, threads):
-    for func in ('precompute_words', 'getorcreate_housenumber_id', 'make_standard_name'):
-        temp_db_cursor.execute(pysql.SQL("""CREATE FUNCTION {} (src TEXT)
-                                            RETURNS TEXT AS $$ SELECT 'a'::TEXT $$ LANGUAGE SQL
-                                         """).format(pysql.Identifier(func)))
     for oid in range(100, 130):
         place_row(osm_id=oid)
     place_row(osm_type='W', osm_id=342, cls='place', typ='houses',
-              geom='SRID=4326;LINESTRING(0 0, 10 10)')
+              geom='LINESTRING(0 0, 10 10)')
+
+    temp_db_cursor.execute("""
+        CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER AS $$
+        BEGIN
+          NEW.place_id := nextval('seq_place');
+          NEW.indexed_status := 1;
+          NEW.centroid := ST_Centroid(NEW.geometry);
+          NEW.partition := 0;
+          NEW.geometry_sector := 2424;
+          NEW.rank_address := 30;
+          NEW.rank_search := 30;
+        RETURN NEW;
+        END; $$ LANGUAGE plpgsql STABLE PARALLEL SAFE;
+
+        CREATE OR REPLACE FUNCTION osmline_insert() RETURNS TRIGGER AS $$
+        BEGIN
+          NEW.place_id := nextval('seq_place');
+          IF NEW.indexed_status IS NULL THEN
+            NEW.indexed_status := 1;
+            NEW.partition := 0;
+            NEW.geometry_sector := 2424;
+          END IF;
+        RETURN NEW;
+        END; $$ LANGUAGE plpgsql STABLE PARALLEL SAFE;
+
+        CREATE TRIGGER placex_before_insert BEFORE INSERT ON placex
+        FOR EACH ROW EXECUTE PROCEDURE placex_insert();
+
+        CREATE TRIGGER osmline_before_insert BEFORE INSERT ON location_property_osmline
+        FOR EACH ROW EXECUTE PROCEDURE osmline_insert();
+    """)
 
     await database_import.load_data(dsn, threads)
 
diff --git a/test/python/tools/test_import_special_phrases.py b/test/python/tools/test_import_special_phrases.py
index db2d02e2..acacc480 100644
--- a/test/python/tools/test_import_special_phrases.py
+++ b/test/python/tools/test_import_special_phrases.py
@@ -2,7 +2,7 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
     Tests for import special phrases methods
@@ -125,9 +125,8 @@ def test_grant_access_to_web_user(temp_db_conn, temp_db_cursor, table_factory,
                               phrase_class, phrase_type)
 
 
-def test_create_place_classtype_table_and_indexes(
-        temp_db_cursor, def_config, placex_table,
-        sp_importer, temp_db_conn, monkeypatch):
+def test_create_place_classtype_table_and_indexes(temp_db_cursor, def_config, placex_row,
+                                                  sp_importer, temp_db_conn, monkeypatch):
     """
         Test that _create_place_classtype_table_and_indexes()
         create the right place_classtype tables and place_id indexes
@@ -136,7 +135,7 @@ def test_create_place_classtype_table_and_indexes(
     """
     pairs = set([('class1', 'type1'), ('class2', 'type2')])
     for pair in pairs:
-        placex_table.add(cls=pair[0], typ=pair[1])   # adding to db
+        placex_row(cls=pair[0], typ=pair[1])   # adding to db
     sp_importer._create_classtype_table_and_indexes(pairs)
     temp_db_conn.commit()
 
@@ -178,7 +177,7 @@ def test_remove_non_existent_tables_from_db(sp_importer, default_phrases,
 
 @pytest.mark.parametrize("should_replace", [(True), (False)])
 def test_import_phrases(monkeypatch, temp_db_cursor, def_config, sp_importer,
-                        placex_table, table_factory, tokenizer_mock,
+                        placex_row, table_factory, tokenizer_mock,
                         xml_wiki_content, should_replace):
     """
         Check that the main import_phrases() method is well executed.
@@ -199,8 +198,8 @@ def test_import_phrases(monkeypatch, temp_db_cursor, def_config, sp_importer,
     type_test = 'zip_line'
 
     tokenizer = tokenizer_mock()
-    placex_table.add(cls=class_test, typ=type_test)  # in db for special phrase filtering
-    placex_table.add(cls='amenity', typ='animal_shelter')  # in db for special phrase filtering
+    placex_row(cls=class_test, typ=type_test)  # in db for special phrase filtering
+    placex_row(cls='amenity', typ='animal_shelter')  # in db for special phrase filtering
     sp_importer.import_phrases(tokenizer, should_replace)
 
     assert len(tokenizer.analyser_cache['special_phrases']) == 19
@@ -257,7 +256,7 @@ def check_placeid_and_centroid_indexes(temp_db_cursor, phrase_class, phrase_type
 
 @pytest.mark.parametrize("should_replace", [(True), (False)])
 def test_import_phrases_special_phrase_filtering(monkeypatch, temp_db_cursor, def_config,
-                                                 sp_importer, placex_table, tokenizer_mock,
+                                                 sp_importer, placex_row, tokenizer_mock,
                                                  xml_wiki_content, should_replace):
 
     monkeypatch.setattr('nominatim_db.tools.special_phrases.sp_wiki_loader._get_wiki_content',
@@ -266,7 +265,7 @@ def test_import_phrases_special_phrase_filtering(monkeypatch, temp_db_cursor, de
     class_test = 'aerialway'
     type_test = 'zip_line'
 
-    placex_table.add(cls=class_test, typ=type_test)  # add to the database to make valid
+    placex_row(cls=class_test, typ=type_test)  # add to the database to make valid
     tokenizer = tokenizer_mock()
     sp_importer.import_phrases(tokenizer, should_replace)
 
@@ -276,11 +275,11 @@ def test_import_phrases_special_phrase_filtering(monkeypatch, temp_db_cursor, de
     assert check_grant_access(temp_db_cursor, def_config.DATABASE_WEBUSER, class_test, type_test)
 
 
-def test_get_classtype_pairs_directly(placex_table, temp_db_conn, sp_importer):
+def test_get_classtype_pairs_directly(placex_row, temp_db_conn, sp_importer):
     for _ in range(101):
-        placex_table.add(cls='highway', typ='residential')
+        placex_row(cls='highway', typ='residential')
     for _ in range(99):
-        placex_table.add(cls='amenity', typ='toilet')
+        placex_row(cls='amenity', typ='toilet')
 
     temp_db_conn.commit()
 
diff --git a/test/python/tools/test_postcodes.py b/test/python/tools/test_postcodes.py
index 02cd2a1a..c63e0d21 100644
--- a/test/python/tools/test_postcodes.py
+++ b/test/python/tools/test_postcodes.py
@@ -2,7 +2,7 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
 Tests for functions to maintain the artificial postcode table.
@@ -75,20 +75,18 @@ class MockPostcodeTable:
 @pytest.fixture
 def postcode_table(def_config, temp_db_conn, placex_table, table_factory):
     country_info.setup_country_config(def_config)
-    table_factory('country_name', 'partition INT', ((0, ), (1, ), (2, )))
     return MockPostcodeTable(temp_db_conn, def_config)
 
 
 @pytest.fixture
-def insert_implicit_postcode(placex_table, place_postcode_row):
+def insert_implicit_postcode(placex_row, place_postcode_row):
     """ Insert data into the placex and place table
         which can then be used to compute one postcode.
     """
     def _insert_implicit_postcode(osm_id, country, geometry, postcode, in_placex=False):
         if in_placex:
-            placex_table.add(osm_id=osm_id, country=country, geom=geometry,
-                             centroid=f'SRID=4326;{geometry}',
-                             address={'postcode': postcode})
+            placex_row(osm_id=osm_id, country=country, geom=geometry,
+                       centroid=geometry, address={'postcode': postcode})
         else:
             place_postcode_row(osm_id=osm_id, centroid=geometry,
                                country=country, postcode=postcode)
diff --git a/test/python/tools/test_refresh.py b/test/python/tools/test_refresh.py
index 91903e29..aa6473b4 100644
--- a/test/python/tools/test_refresh.py
+++ b/test/python/tools/test_refresh.py
@@ -42,8 +42,8 @@ def test_refresh_import_wikipedia(dsn, src_dir, table_factory, temp_db_cursor, r
 
 
 @pytest.mark.parametrize('osm_type', ('N', 'W', 'R'))
-def test_invalidate_osm_object_simple(placex_table, osm_type, temp_db_conn, temp_db_cursor):
-    placex_table.add(osm_type=osm_type, osm_id=57283)
+def test_invalidate_osm_object_simple(placex_row, osm_type, temp_db_conn, temp_db_cursor):
+    placex_row(osm_type=osm_type, osm_id=57283)
 
     refresh.invalidate_osm_object(osm_type, 57283, temp_db_conn, recursive=False)
     temp_db_conn.commit()
@@ -53,8 +53,8 @@ def test_invalidate_osm_object_simple(placex_table, osm_type, temp_db_conn, temp
                                       (osm_type, 57283))
 
 
-def test_invalidate_osm_object_nonexisting_simple(placex_table, temp_db_conn, temp_db_cursor):
-    placex_table.add(osm_type='W', osm_id=57283)
+def test_invalidate_osm_object_nonexisting_simple(placex_row, temp_db_conn, temp_db_cursor):
+    placex_row(osm_type='W', osm_id=57283)
 
     refresh.invalidate_osm_object('N', 57283, temp_db_conn, recursive=False)
     temp_db_conn.commit()
@@ -64,8 +64,8 @@ def test_invalidate_osm_object_nonexisting_simple(placex_table, temp_db_conn, te
 
 
 @pytest.mark.parametrize('osm_type', ('N', 'W', 'R'))
-def test_invalidate_osm_object_recursive(placex_table, osm_type, temp_db_conn, temp_db_cursor):
-    placex_table.add(osm_type=osm_type, osm_id=57283)
+def test_invalidate_osm_object_recursive(placex_row, osm_type, temp_db_conn, temp_db_cursor):
+    placex_row(osm_type=osm_type, osm_id=57283)
 
     temp_db_cursor.execute("""CREATE OR REPLACE FUNCTION place_force_update(placeid BIGINT)
                               RETURNS BOOLEAN AS $$
diff --git a/test/python/tools/test_refresh_wiki_data.py b/test/python/tools/test_refresh_wiki_data.py
index 6d4a727d..3de37647 100644
--- a/test/python/tools/test_refresh_wiki_data.py
+++ b/test/python/tools/test_refresh_wiki_data.py
@@ -2,7 +2,7 @@
 #
 # This file is part of Nominatim. (https://nominatim.org)
 #
-# Copyright (C) 2025 by the Nominatim developer community.
+# Copyright (C) 2026 by the Nominatim developer community.
 # For a full list of authors see the git log.
 """
 Tests for correctly assigning wikipedia pages to places.
@@ -38,7 +38,7 @@ def wiki_csv(tmp_path, sql_preprocessor):
                                    {'wikipedia': 'en:Test'},
                                    {'wikidata': 'Q123'}])
 def test_wikipedia(dsn, temp_db_conn, temp_db_cursor, table_factory,
-                   def_config, wiki_csv, placex_table, extra):
+                   def_config, wiki_csv, placex_row, extra):
     import_wikipedia_articles(dsn, wiki_csv([('en', 'Test', 0.3, 'Q123')]))
     create_functions(temp_db_conn, def_config)
 
@@ -46,7 +46,7 @@ def test_wikipedia(dsn, temp_db_conn, temp_db_cursor, table_factory,
         'SELECT language, title, importance, wikidata FROM wikimedia_importance')
     assert content == set([('en', 'Test', 0.3, 'Q123')])
 
-    place_id = placex_table.add(osm_id=12, extratags=extra)
+    place_id = placex_row(osm_id=12, extratags=extra)
     table_factory('search_name',
                   'place_id BIGINT, importance FLOAT',
                   [(place_id, 0.2)])
@@ -61,11 +61,11 @@ def test_wikipedia(dsn, temp_db_conn, temp_db_cursor, table_factory,
 
 
 def test_wikipedia_no_match(dsn, temp_db_conn, temp_db_cursor, def_config, wiki_csv,
-                            placex_table, table_factory):
+                            placex_row, table_factory):
     import_wikipedia_articles(dsn, wiki_csv([('de', 'Test', 0.3, 'Q123')]))
     create_functions(temp_db_conn, def_config)
 
-    place_id = placex_table.add(osm_id=12, extratags={'wikipedia': 'en:Test'}, rank_search=10)
+    place_id = placex_row(osm_id=12, extratags={'wikipedia': 'en:Test'}, rank_search=10)
     table_factory('search_name',
                   'place_id BIGINT, importance FLOAT',
                   [(place_id, 0.2)])
diff --git a/test/python/tools/test_sp_importer.py b/test/python/tools/test_sp_importer.py
index c64c2b7d..ba780e0d 100644
--- a/test/python/tools/test_sp_importer.py
+++ b/test/python/tools/test_sp_importer.py
@@ -1,69 +1,70 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2026 by the Nominatim developer community.
+# For a full list of authors see the git log.
+
 from nominatim_db.tools.special_phrases.sp_importer import SPImporter
 
 
 # Testing Database Class Pair Retrival using Conftest.py and placex
-def test_get_classtype_pair_data(placex_table, def_config, temp_db_conn):
+def test_get_classtype_pair_data(placex_row, def_config, temp_db_conn):
     for _ in range(100):
-        placex_table.add(cls='highway', typ='motorway')  # edge case 100
+        placex_row(cls='highway', typ='motorway')  # edge case 100
 
     for _ in range(99):
-        placex_table.add(cls='amenity', typ='prison')  # edge case 99
+        placex_row(cls='amenity', typ='prison')  # edge case 99
 
     for _ in range(150):
-        placex_table.add(cls='tourism', typ='hotel')
+        placex_row(cls='tourism', typ='hotel')
 
     importer = SPImporter(config=def_config, conn=temp_db_conn, sp_loader=None)
 
     result = importer.get_classtype_pairs(min=100)
 
-    expected = {
+    assert result == {
         ("highway", "motorway"),
         ("tourism", "hotel")
     }
 
-    assert result == expected, f"Expected {expected}, got {result}"
 
-
-def test_get_classtype_pair_data_more(placex_table, def_config, temp_db_conn):
+def test_get_classtype_pair_data_more(placex_row, def_config, temp_db_conn):
     for _ in range(99):
-        placex_table.add(cls='emergency', typ='firehydrant')  # edge case 99, not included
+        placex_row(cls='emergency', typ='firehydrant')  # edge case 99, not included
 
     for _ in range(199):
-        placex_table.add(cls='amenity', typ='prison')
+        placex_row(cls='amenity', typ='prison')
 
     for _ in range(3478):
-        placex_table.add(cls='tourism', typ='hotel')
+        placex_row(cls='tourism', typ='hotel')
 
     importer = SPImporter(config=def_config, conn=temp_db_conn, sp_loader=None)
 
     result = importer.get_classtype_pairs(min=100)
 
-    expected = {
+    assert result == {
         ("amenity", "prison"),
         ("tourism", "hotel")
     }
 
-    assert result == expected, f"Expected {expected}, got {result}"
 
-
-def test_get_classtype_pair_data_default(placex_table, def_config, temp_db_conn):
+def test_get_classtype_pair_data_default(placex_row, def_config, temp_db_conn):
     for _ in range(1):
-        placex_table.add(cls='emergency', typ='firehydrant')
+        placex_row(cls='emergency', typ='firehydrant')
 
     for _ in range(199):
-        placex_table.add(cls='amenity', typ='prison')
+        placex_row(cls='amenity', typ='prison')
 
     for _ in range(3478):
-        placex_table.add(cls='tourism', typ='hotel')
+        placex_row(cls='tourism', typ='hotel')
 
     importer = SPImporter(config=def_config, conn=temp_db_conn, sp_loader=None)
 
     result = importer.get_classtype_pairs()
 
-    expected = {
+    assert result == {
         ("amenity", "prison"),
         ("tourism", "hotel"),
         ("emergency", "firehydrant")
     }
-
-    assert result == expected, f"Expected {expected}, got {result}"