mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-10-27 19:48:44 +03:00
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
"""
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Functions for database analysis and maintenance.
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"""
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import logging
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from nominatim.errors import UsageError
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LOG = logging.getLogger()
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def analyse_indexing(conn, osm_id=None, place_id=None):
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""" Analyse indexing of a single Nominatim object.
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"""
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with conn.cursor() as cur:
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if osm_id:
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osm_type = osm_id[0].upper()
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if osm_type not in 'NWR' or not osm_id[1:].isdigit():
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LOG.fatal('OSM ID must be of form <N|W|R><id>. Got: %s', osm_id)
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raise UsageError("OSM ID parameter badly formatted")
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cur.execute('SELECT place_id FROM placex WHERE osm_type = %s AND osm_id = %s',
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(osm_type, osm_id[1:]))
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if cur.rowcount < 1:
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LOG.fatal("OSM object %s not found in database.", osm_id)
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raise UsageError("OSM object not found")
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place_id = cur.fetchone()[0]
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if place_id is None:
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LOG.fatal("No OSM object given to index.")
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raise UsageError("OSM object not found")
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cur.execute("update placex set indexed_status = 2 where place_id = %s",
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(place_id, ))
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cur.execute("""SET auto_explain.log_min_duration = '0';
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SET auto_explain.log_analyze = 'true';
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SET auto_explain.log_nested_statements = 'true';
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LOAD 'auto_explain';
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SET client_min_messages = LOG;
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SET log_min_messages = FATAL""")
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cur.execute("update placex set indexed_status = 0 where place_id = %s",
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(place_id, ))
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# we do not want to keep the results
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conn.rollback()
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for msg in conn.notices:
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print(msg)
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