2 Functions for database analysis and maintenance.
6 from ..errors import UsageError
8 LOG = logging.getLogger()
10 def analyse_indexing(conn, osm_id=None, place_id=None):
11 """ Analyse indexing of a single Nominatim object.
13 with conn.cursor() as cur:
15 osm_type = osm_id[0].upper()
16 if osm_type not in 'NWR' or not osm_id[1:].isdigit():
17 LOG.fatal('OSM ID must be of form <N|W|R><id>. Got: %s', osm_id)
18 raise UsageError("OSM ID parameter badly formatted")
19 cur.execute('SELECT place_id FROM placex WHERE osm_type = %s AND osm_id = %s',
20 (osm_type, osm_id[1:]))
23 LOG.fatal("OSM object %s not found in database.", osm_id)
24 raise UsageError("OSM object not found")
26 place_id = cur.fetchone()[0]
29 LOG.fatal("No OSM object given to index.")
30 raise UsageError("OSM object not found")
32 cur.execute("update placex set indexed_status = 2 where place_id = %s",
35 cur.execute("""SET auto_explain.log_min_duration = '0';
36 SET auto_explain.log_analyze = 'true';
37 SET auto_explain.log_nested_statements = 'true';
39 SET client_min_messages = LOG;
40 SET log_min_messages = FATAL""")
42 cur.execute("update placex set indexed_status = 0 where place_id = %s",
45 # we do not want to keep the results
48 for msg in conn.notices: