Functions for bringing auxiliary data in the database up-to-date.
"""
import json
+import logging
+from textwrap import dedent
from psycopg2.extras import execute_values
-from ..db.utils import execute_file
+from nominatim.db.utils import execute_file
+from nominatim.db.sql_preprocessor import SQLPreprocessor
+from nominatim.version import NOMINATIM_VERSION
-def update_postcodes(conn, datadir):
- """ Recalculate postcode centroids and add, remove and update entries in the
- location_postcode table. `conn` is an opne connection to the database.
- """
- execute_file(conn, datadir / 'sql' / 'update-postcodes.sql')
+LOG = logging.getLogger()
-def recompute_word_counts(conn, datadir):
+def recompute_word_counts(dsn, sql_dir):
""" Compute the frequency of full-word search terms.
"""
- execute_file(conn, datadir / 'sql' / 'words_from_search_name.sql')
+ execute_file(dsn, sql_dir / 'words_from_search_name.sql')
def _add_address_level_rows_from_entry(rows, entry):
"""
with config_file.open('r') as fdesc:
load_address_levels(conn, 'address_levels', json.load(fdesc))
+
+
+def create_functions(conn, config, enable_diff_updates=True, enable_debug=False):
+ """ (Re)create the PL/pgSQL functions.
+ """
+ sql = SQLPreprocessor(conn, config)
+
+ sql.run_sql_file(conn, 'functions.sql',
+ disable_diff_updates=not enable_diff_updates,
+ debug=enable_debug)
+
+
+
+WEBSITE_SCRIPTS = (
+ 'deletable.php',
+ 'details.php',
+ 'lookup.php',
+ 'polygons.php',
+ 'reverse.php',
+ 'search.php',
+ 'status.php'
+)
+
+# constants needed by PHP scripts: PHP name, config name, type
+PHP_CONST_DEFS = (
+ ('Database_DSN', 'DATABASE_DSN', str),
+ ('Default_Language', 'DEFAULT_LANGUAGE', str),
+ ('Log_DB', 'LOG_DB', bool),
+ ('Log_File', 'LOG_FILE', str),
+ ('NoAccessControl', 'CORS_NOACCESSCONTROL', bool),
+ ('Places_Max_ID_count', 'LOOKUP_MAX_COUNT', int),
+ ('PolygonOutput_MaximumTypes', 'POLYGON_OUTPUT_MAX_TYPES', int),
+ ('Search_BatchMode', 'SEARCH_BATCH_MODE', bool),
+ ('Search_NameOnlySearchFrequencyThreshold', 'SEARCH_NAME_ONLY_THRESHOLD', str),
+ ('Use_US_Tiger_Data', 'USE_US_TIGER_DATA', bool),
+ ('MapIcon_URL', 'MAPICON_URL', str),
+)
+
+
+def import_wikipedia_articles(dsn, data_path, ignore_errors=False):
+ """ Replaces the wikipedia importance tables with new data.
+ The import is run in a single transaction so that the new data
+ is replace seemlessly.
+
+ Returns 0 if all was well and 1 if the importance file could not
+ be found. Throws an exception if there was an error reading the file.
+ """
+ datafile = data_path / 'wikimedia-importance.sql.gz'
+
+ if not datafile.exists():
+ return 1
+
+ pre_code = """BEGIN;
+ DROP TABLE IF EXISTS "wikipedia_article";
+ DROP TABLE IF EXISTS "wikipedia_redirect"
+ """
+ post_code = "COMMIT"
+ execute_file(dsn, datafile, ignore_errors=ignore_errors,
+ pre_code=pre_code, post_code=post_code)
+
+ return 0
+
+
+def recompute_importance(conn):
+ """ Recompute wikipedia links and importance for all entries in placex.
+ This is a long-running operations that must not be executed in
+ parallel with updates.
+ """
+ with conn.cursor() as cur:
+ cur.execute('ALTER TABLE placex DISABLE TRIGGER ALL')
+ cur.execute("""
+ UPDATE placex SET (wikipedia, importance) =
+ (SELECT wikipedia, importance
+ FROM compute_importance(extratags, country_code, osm_type, osm_id))
+ """)
+ cur.execute("""
+ UPDATE placex s SET wikipedia = d.wikipedia, importance = d.importance
+ FROM placex d
+ WHERE s.place_id = d.linked_place_id and d.wikipedia is not null
+ and (s.wikipedia is null or s.importance < d.importance);
+ """)
+
+ cur.execute('ALTER TABLE placex ENABLE TRIGGER ALL')
+ conn.commit()
+
+
+def setup_website(basedir, config, conn):
+ """ Create the website script stubs.
+ """
+ if not basedir.exists():
+ LOG.info('Creating website directory.')
+ basedir.mkdir()
+
+ template = dedent("""\
+ <?php
+
+ @define('CONST_Debug', $_GET['debug'] ?? false);
+ @define('CONST_LibDir', '{0}');
+ @define('CONST_TokenizerDir', '{2}');
+ @define('CONST_NominatimVersion', '{1[0]}.{1[1]}.{1[2]}-{1[3]}');
+
+ """.format(config.lib_dir.php, NOMINATIM_VERSION,
+ config.project_dir / 'tokenizer'))
+
+ for php_name, conf_name, var_type in PHP_CONST_DEFS:
+ if var_type == bool:
+ varout = 'true' if config.get_bool(conf_name) else 'false'
+ elif var_type == int:
+ varout = getattr(config, conf_name)
+ elif not getattr(config, conf_name):
+ varout = 'false'
+ else:
+ varout = "'{}'".format(getattr(config, conf_name).replace("'", "\\'"))
+
+ template += "@define('CONST_{}', {});\n".format(php_name, varout)
+
+ template += "\nrequire_once('{}/website/{{}}');\n".format(config.lib_dir.php)
+
+ search_name_table_exists = bool(conn and conn.table_exists('search_name'))
+
+ for script in WEBSITE_SCRIPTS:
+ if not search_name_table_exists and script == 'search.php':
+ (basedir / script).write_text(template.format('reverse-only-search.php'), 'utf-8')
+ else:
+ (basedir / script).write_text(template.format(script), 'utf-8')
projects / nominatim.git / blobdiff