+# 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 for database analysis and maintenance.
"""
+from typing import Optional, Tuple, Any, cast
import logging
-from ..errors import UsageError
+from psycopg2.extras import Json, register_hstore
+from psycopg2 import DataError
+
+from nominatim.config import Configuration
+from nominatim.db.connection import connect, Cursor
+from nominatim.tokenizer import factory as tokenizer_factory
+from nominatim.errors import UsageError
+from nominatim.data.place_info import PlaceInfo
+from nominatim.typing import DictCursorResult
LOG = logging.getLogger()
-def analyse_indexing(conn, osm_id=None, place_id=None):
+def _get_place_info(cursor: Cursor, osm_id: Optional[str],
+ place_id: Optional[int]) -> DictCursorResult:
+ sql = """SELECT place_id, extra.*
+ FROM placex, LATERAL placex_indexing_prepare(placex) as extra
+ """
+
+ values: Tuple[Any, ...]
+ if osm_id:
+ osm_type = osm_id[0].upper()
+ if osm_type not in 'NWR' or not osm_id[1:].isdigit():
+ LOG.fatal('OSM ID must be of form <N|W|R><id>. Got: %s', osm_id)
+ raise UsageError("OSM ID parameter badly formatted")
+
+ sql += ' WHERE placex.osm_type = %s AND placex.osm_id = %s'
+ values = (osm_type, int(osm_id[1:]))
+ elif place_id is not None:
+ sql += ' WHERE placex.place_id = %s'
+ values = (place_id, )
+ else:
+ LOG.fatal("No OSM object given to index.")
+ raise UsageError("OSM object not found")
+
+ cursor.execute(sql + ' LIMIT 1', values)
+
+ if cursor.rowcount < 1:
+ LOG.fatal("OSM object %s not found in database.", osm_id)
+ raise UsageError("OSM object not found")
+
+ return cast(DictCursorResult, cursor.fetchone())
+
+
+def analyse_indexing(config: Configuration, osm_id: Optional[str] = None,
+ place_id: Optional[int] = None) -> None:
""" Analyse indexing of a single Nominatim object.
"""
- with conn.cursor() as cur:
- if osm_id:
- osm_type = osm_id[0].upper()
- if osm_type not in 'NWR' or not osm_id[1:].isdigit():
- LOG.fatal('OSM ID must be of form <N|W|R><id>. Got: %s', osm_id)
- raise UsageError("OSM ID parameter badly formatted")
- cur.execute('SELECT place_id FROM placex WHERE osm_type = %s AND osm_id = %s',
- (osm_type, osm_id[1:]))
-
- if cur.rowcount < 1:
- LOG.fatal("OSM object %s not found in database.", osm_id)
- raise UsageError("OSM object not found")
-
- place_id = cur.fetchone()[0]
-
- if place_id is None:
- LOG.fatal("No OSM object given to index.")
- raise UsageError("OSM object not found")
-
- cur.execute("update placex set indexed_status = 2 where place_id = %s",
- (place_id, ))
-
- cur.execute("""SET auto_explain.log_min_duration = '0';
- SET auto_explain.log_analyze = 'true';
- SET auto_explain.log_nested_statements = 'true';
- LOAD 'auto_explain';
- SET client_min_messages = LOG;
- SET log_min_messages = FATAL""")
-
- cur.execute("update placex set indexed_status = 0 where place_id = %s",
- (place_id, ))
-
- # we do not want to keep the results
- conn.rollback()
-
- for msg in conn.notices:
- print(msg)
+ with connect(config.get_libpq_dsn()) as conn:
+ register_hstore(conn)
+ with conn.cursor() as cur:
+ place = _get_place_info(cur, osm_id, place_id)
+
+ cur.execute("update placex set indexed_status = 2 where place_id = %s",
+ (place['place_id'], ))
+
+ cur.execute("""SET auto_explain.log_min_duration = '0';
+ SET auto_explain.log_analyze = 'true';
+ SET auto_explain.log_nested_statements = 'true';
+ LOAD 'auto_explain';
+ SET client_min_messages = LOG;
+ SET log_min_messages = FATAL""")
+
+ tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
+
+ with tokenizer.name_analyzer() as analyzer:
+ cur.execute("""UPDATE placex
+ SET indexed_status = 0, address = %s, token_info = %s,
+ name = %s, linked_place_id = %s
+ WHERE place_id = %s""",
+ (place['address'],
+ Json(analyzer.process_place(PlaceInfo(place))),
+ place['name'], place['linked_place_id'], place['place_id']))
+
+ # we do not want to keep the results
+ conn.rollback()
+
+ for msg in conn.notices:
+ print(msg)
+
+
+def clean_deleted_relations(config: Configuration, age: str) -> None:
+ """ Clean deleted relations older than a given age
+ """
+ with connect(config.get_libpq_dsn()) as conn:
+ with conn.cursor() as cur:
+ try:
+ cur.execute("""SELECT place_force_delete(p.place_id)
+ FROM import_polygon_delete d, placex p
+ WHERE p.osm_type = d.osm_type AND p.osm_id = d.osm_id
+ AND age(p.indexed_date) > %s::interval""",
+ (age, ))
+ except DataError as exc:
+ raise UsageError('Invalid PostgreSQL time interval format') from exc
+ conn.commit()
projects / nominatim.git / blobdiff