+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
"""
Functions to facilitate accessing and comparing the content of DB tables.
"""
import re
import json
+import psycopg
+from psycopg import sql as pysql
+
from steps.check_functions import Almost
ID_REGEX = re.compile(r"(?P<typ>[NRW])(?P<oid>\d+)(:(?P<cls>\w+))?")
','.join(['*'] + (extra_columns or [])), table)
cur.execute(query, (pid, ))
- def get_place_id(self, cur):
+ def get_place_id(self, cur, allow_empty=False):
""" Look up the place id for the ID. Throws an assertion if the ID
is not unique.
"""
self.query_osm_id(cur, "SELECT place_id FROM placex WHERE {}")
+ if cur.rowcount == 0 and allow_empty:
+ return None
+
assert cur.rowcount == 1, \
"Place ID {!s} not unique. Found {} entries.".format(self, cur.rowcount)
- return cur.fetchone()[0]
+ return cur.fetchone()['place_id']
class DBRow:
def _has_centroid(self, expected):
if expected == 'in geometry':
- with self.context.db.cursor() as cur:
- cur.execute("""SELECT ST_Within(ST_SetSRID(ST_Point({cx}, {cy}), 4326),
- ST_SetSRID('{geomtxt}'::geometry, 4326))""".format(**self.db_row))
+ with self.context.db.cursor(row_factory=psycopg.rows.tuple_row) as cur:
+ cur.execute("""SELECT ST_Within(ST_SetSRID(ST_Point(%(cx)s, %(cy)s), 4326),
+ ST_SetSRID(%(geomtxt)s::geometry, 4326))""",
+ (self.db_row))
return cur.fetchone()[0]
- x, y = expected.split(' ')
+ if ' ' in expected:
+ x, y = expected.split(' ')
+ else:
+ x, y = self.context.osm.grid_node(int(expected))
+
return Almost(float(x)) == self.db_row['cx'] and Almost(float(y)) == self.db_row['cy']
def _has_geometry(self, expected):
- geom = self.context.osm.parse_geometry(expected, self.context.scene)
- with self.context.db.cursor() as cur:
- cur.execute("""SELECT ST_Equals(ST_SnapToGrid({}, 0.00001, 0.00001),
- ST_SnapToGrid(ST_SetSRID('{}'::geometry, 4326), 0.00001, 0.00001))""".format(
- geom, self.db_row['geomtxt']))
+ geom = self.context.osm.parse_geometry(expected)
+ with self.context.db.cursor(row_factory=psycopg.rows.tuple_row) as cur:
+ cur.execute(pysql.SQL("""SELECT ST_Equals(ST_SnapToGrid({}, 0.00001, 0.00001),
+ ST_SnapToGrid(ST_SetSRID({}::geometry, 4326), 0.00001, 0.00001))""")
+ .format(pysql.SQL(geom),
+ pysql.Literal(self.db_row['geomtxt'])))
return cur.fetchone()[0]
def assert_msg(self, name, value):
if actual == 0:
return "place ID 0"
- with self.context.db.cursor() as cur:
+ with self.context.db.cursor(row_factory=psycopg.rows.tuple_row) as cur:
cur.execute("""SELECT osm_type, osm_id, class
FROM placex WHERE place_id = %s""",
(actual, ))