X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/79d55357e89c6f98e3ec9240d40fcebe6cd31054..73953cbac95847740339d7a5ee3c0e5f142d93c5:/nominatim/tools/database_import.py diff --git a/nominatim/tools/database_import.py b/nominatim/tools/database_import.py index 25efedb9..a4d7220f 100644 --- a/nominatim/tools/database_import.py +++ b/nominatim/tools/database_import.py @@ -5,11 +5,11 @@ import logging import os import selectors import subprocess -import shutil from pathlib import Path import psutil -import psycopg2 +import psycopg2.extras +from psycopg2 import sql as pysql from nominatim.db.connection import connect, get_pg_env from nominatim.db import utils as db_utils @@ -89,49 +89,6 @@ def setup_extensions(conn): raise UsageError('PostGIS version is too old.') -def install_module(src_dir, project_dir, module_dir, conn=None): - """ Copy the normalization module from src_dir into the project - directory under the '/module' directory. If 'module_dir' is set, then - use the module from there instead and check that it is accessible - for Postgresql. - - The function detects when the installation is run from the - build directory. It doesn't touch the module in that case. - - If 'conn' is given, then the function also tests if the module - can be access via the given database. - """ - if not module_dir: - module_dir = project_dir / 'module' - - if not module_dir.exists() or not src_dir.samefile(module_dir): - - if not module_dir.exists(): - module_dir.mkdir() - - destfile = module_dir / 'nominatim.so' - shutil.copy(str(src_dir / 'nominatim.so'), str(destfile)) - destfile.chmod(0o755) - - LOG.info('Database module installed at %s', str(destfile)) - else: - LOG.info('Running from build directory. Leaving database module as is.') - else: - LOG.info("Using custom path for database module at '%s'", module_dir) - - if conn is not None: - with conn.cursor() as cur: - try: - cur.execute("""CREATE FUNCTION nominatim_test_import_func(text) - RETURNS text AS '{}/nominatim.so', 'transliteration' - LANGUAGE c IMMUTABLE STRICT; - DROP FUNCTION nominatim_test_import_func(text) - """.format(module_dir)) - except psycopg2.DatabaseError as err: - LOG.fatal("Error accessing database module: %s", err) - raise UsageError("Database module cannot be accessed.") from err - - def import_base_data(dsn, sql_dir, ignore_partitions=False): """ Create and populate the tables with basic static data that provides the background for geocoding. Data is assumed to not yet exist. @@ -174,9 +131,8 @@ def import_osm_data(osm_file, options, drop=False, ignore_errors=False): if drop: conn.drop_table('planet_osm_nodes') - if drop: - if options['flatnode_file']: - Path(options['flatnode_file']).unlink() + if drop and options['flatnode_file']: + Path(options['flatnode_file']).unlink() def create_tables(conn, config, reverse_only=False): @@ -205,16 +161,14 @@ def create_partition_tables(conn, config): sql.run_sql_file(conn, 'partition-tables.src.sql') -def truncate_data_tables(conn, max_word_frequency=None): +def truncate_data_tables(conn): """ Truncate all data tables to prepare for a fresh load. """ with conn.cursor() as cur: - cur.execute('TRUNCATE word') cur.execute('TRUNCATE placex') cur.execute('TRUNCATE place_addressline') cur.execute('TRUNCATE location_area') cur.execute('TRUNCATE location_area_country') - cur.execute('TRUNCATE location_property') cur.execute('TRUNCATE location_property_tiger') cur.execute('TRUNCATE location_property_osmline') cur.execute('TRUNCATE location_postcode') @@ -229,35 +183,33 @@ def truncate_data_tables(conn, max_word_frequency=None): for table in [r[0] for r in list(cur)]: cur.execute('TRUNCATE ' + table) - if max_word_frequency is not None: - # Used by getorcreate_word_id to ignore frequent partial words. - cur.execute("""CREATE OR REPLACE FUNCTION get_maxwordfreq() - RETURNS integer AS $$ - SELECT {} as maxwordfreq; - $$ LANGUAGE SQL IMMUTABLE - """.format(max_word_frequency)) - conn.commit() + conn.commit() + + +_COPY_COLUMNS = pysql.SQL(',').join(map(pysql.Identifier, + ('osm_type', 'osm_id', 'class', 'type', + 'name', 'admin_level', 'address', + 'extratags', 'geometry'))) -_COPY_COLUMNS = 'osm_type, osm_id, class, type, name, admin_level, address, extratags, geometry' -def load_data(dsn, data_dir, threads): +def load_data(dsn, threads): """ Copy data into the word and placex table. """ - # Pre-calculate the most important terms in the word list. - db_utils.execute_file(dsn, data_dir / 'words.sql') - sel = selectors.DefaultSelector() # Then copy data from place to placex in chunks. place_threads = max(1, threads - 1) for imod in range(place_threads): conn = DBConnection(dsn) conn.connect() - conn.perform("""INSERT INTO placex ({0}) - SELECT {0} FROM place - WHERE osm_id % {1} = {2} - AND NOT (class='place' and type='houses') - AND ST_IsValid(geometry) - """.format(_COPY_COLUMNS, place_threads, imod)) + conn.perform( + pysql.SQL("""INSERT INTO placex ({columns}) + SELECT {columns} FROM place + WHERE osm_id % {total} = {mod} + AND NOT (class='place' and (type='houses' or type='postcode')) + AND ST_IsValid(geometry) + """).format(columns=_COPY_COLUMNS, + total=pysql.Literal(place_threads), + mod=pysql.Literal(imod))) sel.register(conn, selectors.EVENT_READ, conn) # Address interpolations go into another table. @@ -307,34 +259,37 @@ def create_search_indices(conn, config, drop=False): sql.run_sql_file(conn, 'indices.sql', drop=drop) -def create_country_names(conn, config): - """ Create search index for default country names. + +def create_country_names(conn, tokenizer, languages=None): + """ Add default country names to search index. `languages` is a comma- + separated list of language codes as used in OSM. If `languages` is not + empty then only name translations for the given languages are added + to the index. """ + if languages: + languages = languages.split(',') + + def _include_key(key): + return key == 'name' or \ + (key.startswith('name:') and (not languages or key[5:] in languages)) with conn.cursor() as cur: - cur.execute("""SELECT getorcreate_country(make_standard_name('uk'), 'gb')""") - cur.execute("""SELECT getorcreate_country(make_standard_name('united states'), 'us')""") - cur.execute("""SELECT COUNT(*) FROM - (SELECT getorcreate_country(make_standard_name(country_code), - country_code) FROM country_name WHERE country_code is not null) AS x""") - cur.execute("""SELECT COUNT(*) FROM - (SELECT getorcreate_country(make_standard_name(name->'name'), country_code) - FROM country_name WHERE name ? 'name') AS x""") - sql_statement = """SELECT COUNT(*) FROM (SELECT getorcreate_country(make_standard_name(v), - country_code) FROM (SELECT country_code, skeys(name) - AS k, svals(name) AS v FROM country_name) x WHERE k""" - - languages = config.LANGUAGES - - if languages: - sql_statement = "{} IN (".format(sql_statement) - delim = '' - for language in languages.split(','): - sql_statement = "{}{}'name:{}'".format(sql_statement, delim, language) - delim = ', ' - sql_statement = '{})'.format(sql_statement) - else: - sql_statement = "{} LIKE 'name:%'".format(sql_statement) - sql_statement = "{}) v".format(sql_statement) - cur.execute(sql_statement) + psycopg2.extras.register_hstore(cur) + cur.execute("""SELECT country_code, name FROM country_name + WHERE country_code is not null""") + + with tokenizer.name_analyzer() as analyzer: + for code, name in cur: + names = {'countrycode': code} + if code == 'gb': + names['short_name'] = 'UK' + if code == 'us': + names['short_name'] = 'United States' + + # country names (only in languages as provided) + if name: + names.update(((k, v) for k, v in name.items() if _include_key(k))) + + analyzer.add_country_names(code, names) + conn.commit()