port multi-region update scripts to nominatim tool

[nominatim.git] / nominatim / tools / database_import.py

diff --git a/nominatim/tools/database_import.py b/nominatim/tools/database_import.py
index 400ce7a5bbd0f3a49d366b22a8ed1c32d445b544..0dd93490d7b4c8c316bdd5635a02a3b1c9a6c6da 100644 (file)
--- a/nominatim/tools/database_import.py
+++ b/nominatim/tools/database_import.py
@@ -8,6 +8,8 @@ import subprocess
 from pathlib import Path
 
 import psutil
 from pathlib import Path
 
 import psutil

+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
 
 from nominatim.db.connection import connect, get_pg_env
 from nominatim.db import utils as db_utils


@@ -101,11 +103,11 @@ def import_base_data(dsn, sql_dir, ignore_partitions=False):
             conn.commit()
 
 
             conn.commit()
 
 

-def import_osm_data(osm_file, options, drop=False, ignore_errors=False):
-    """ Import the given OSM file. 'options' contains the list of
+def import_osm_data(osm_files, options, drop=False, ignore_errors=False):
+    """ Import the given OSM files. 'options' contains the list of

         default settings for osm2pgsql.
     """
         default settings for osm2pgsql.
     """

-    options['import_file'] = osm_file
+    options['import_file'] = osm_files

     options['append'] = False
     options['threads'] = 1
 
     options['append'] = False
     options['threads'] = 1
 


@@ -113,7 +115,12 @@ def import_osm_data(osm_file, options, drop=False, ignore_errors=False):
         # Make some educated guesses about cache size based on the size
         # of the import file and the available memory.
         mem = psutil.virtual_memory()
         # Make some educated guesses about cache size based on the size
         # of the import file and the available memory.
         mem = psutil.virtual_memory()

-        fsize = os.stat(str(osm_file)).st_size
+        fsize = 0
+        if isinstance(osm_files, list):
+            for fname in osm_files:
+                fsize += os.stat(str(fname)).st_size
+        else:
+            fsize = os.stat(str(osm_files)).st_size

         options['osm2pgsql_cache'] = int(min((mem.available + mem.cached) * 0.75,
                                              fsize * 2) / 1024 / 1024) + 1
 
         options['osm2pgsql_cache'] = int(min((mem.available + mem.cached) * 0.75,
                                              fsize * 2) / 1024 / 1024) + 1
 


@@ -129,9 +136,8 @@ def import_osm_data(osm_file, options, drop=False, ignore_errors=False):
         if drop:
             conn.drop_table('planet_osm_nodes')
 
         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):
 
 
 def create_tables(conn, config, reverse_only=False):


@@ -184,7 +190,12 @@ def truncate_data_tables(conn):
 
     conn.commit()
 
 
     conn.commit()
 

-_COPY_COLUMNS = 'osm_type, osm_id, class, type, name, admin_level, address, extratags, geometry'
+
+_COPY_COLUMNS = pysql.SQL(',').join(map(pysql.Identifier,
+                                        ('osm_type', 'osm_id', 'class', 'type',
+                                         'name', 'admin_level', 'address',
+                                         'extratags', 'geometry')))
+

 
 def load_data(dsn, threads):
     """ Copy data into the word and placex table.
 
 def load_data(dsn, threads):
     """ Copy data into the word and placex table.


@@ -195,12 +206,15 @@ def load_data(dsn, threads):
     for imod in range(place_threads):
         conn = DBConnection(dsn)
         conn.connect()
     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.
         sel.register(conn, selectors.EVENT_READ, conn)
 
     # Address interpolations go into another table.


@@ -250,34 +264,37 @@ def create_search_indices(conn, config, drop=False):
 
     sql.run_sql_file(conn, 'indices.sql', drop=drop)
 
 
     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:
 
     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()
     conn.commit()