]> git.openstreetmap.org Git - nominatim.git/blobdiff - nominatim/tools/check_database.py
Merge pull request #2887 from lonvia/lookup-linked-places
[nominatim.git] / nominatim / tools / check_database.py
index e99a3572d49553b28eee6ca3b14f7baf93c55fa7..437775db6a874561d5451d3a8683fd085a3ba17c 100644 (file)
@@ -1,13 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
 """
 Collection of functions that check if the database is complete and functional.
 """
+from typing import Callable, Optional, Any, Union, Tuple, Mapping, List
 from enum import Enum
 from textwrap import dedent
 
-import psycopg2
-
-from ..db.connection import connect
-from ..errors import UsageError
+from nominatim.config import Configuration
+from nominatim.db.connection import connect, Connection
+from nominatim.errors import UsageError
+from nominatim.tokenizer import factory as tokenizer_factory
 
 CHECKLIST = []
 
@@ -18,14 +25,19 @@ class CheckState(Enum):
     FAIL = 1
     FATAL = 2
     NOT_APPLICABLE = 3
+    WARN = 4
 
-def _check(hint=None):
+CheckResult = Union[CheckState, Tuple[CheckState, Mapping[str, Any]]]
+CheckFunc = Callable[[Connection, Configuration], CheckResult]
+
+def _check(hint: Optional[str] = None) -> Callable[[CheckFunc], CheckFunc]:
     """ Decorator for checks. It adds the function to the list of
         checks to execute and adds the code for printing progress messages.
     """
-    def decorator(func):
-        title = func.__doc__.split('\n', 1)[0].strip()
-        def run_check(conn, config):
+    def decorator(func: CheckFunc) -> CheckFunc:
+        title = (func.__doc__ or '').split('\n', 1)[0].strip()
+
+        def run_check(conn: Connection, config: Configuration) -> CheckState:
             print(title, end=' ... ')
             ret = func(conn, config)
             if isinstance(ret, tuple):
@@ -34,6 +46,11 @@ def _check(hint=None):
                 params = {}
             if ret == CheckState.OK:
                 print('\033[92mOK\033[0m')
+            elif ret == CheckState.WARN:
+                print('\033[93mWARNING\033[0m')
+                if hint:
+                    print('')
+                    print(dedent(hint.format(**params)))
             elif ret == CheckState.NOT_APPLICABLE:
                 print('not applicable')
             else:
@@ -47,22 +64,22 @@ def _check(hint=None):
 
     return decorator
 
-class _BadConnection: # pylint: disable=R0903
+class _BadConnection:
 
-    def __init__(self, msg):
+    def __init__(self, msg: str) -> None:
         self.msg = msg
 
-    def close(self):
+    def close(self) -> None:
         """ Dummy function to provide the implementation.
         """
 
-def check_database(config):
+def check_database(config: Configuration) -> int:
     """ Run a number of checks on the database and return the status.
     """
     try:
-        conn = connect(config.get_libpq_dsn())
+        conn = connect(config.get_libpq_dsn()).connection
     except UsageError as err:
-        conn = _BadConnection(str(err))
+        conn = _BadConnection(str(err)) # type: ignore[assignment]
 
     overall_result = 0
     for check in CHECKLIST:
@@ -70,21 +87,20 @@ def check_database(config):
         if ret == CheckState.FATAL:
             conn.close()
             return 1
-        if ret != CheckState.OK:
+        if ret in (CheckState.FATAL, CheckState.FAIL):
             overall_result = 1
 
     conn.close()
     return overall_result
 
 
-def _get_indexes(conn):
-    indexes = ['idx_word_word_id',
-               'idx_place_addressline_address_place_id',
+def _get_indexes(conn: Connection) -> List[str]:
+    indexes = ['idx_place_addressline_address_place_id',
                'idx_placex_rank_search',
                'idx_placex_rank_address',
                'idx_placex_parent_place_id',
                'idx_placex_geometry_reverse_lookuppolygon',
-               'idx_placex_geometry_reverse_placenode',
+               'idx_placex_geometry_placenode',
                'idx_osmline_parent_place_id',
                'idx_osmline_parent_osm_id',
                'idx_postcode_id',
@@ -94,16 +110,19 @@ def _get_indexes(conn):
         indexes.extend(('idx_search_name_nameaddress_vector',
                         'idx_search_name_name_vector',
                         'idx_search_name_centroid'))
+        if conn.server_version_tuple() >= (11, 0, 0):
+            indexes.extend(('idx_placex_housenumber',
+                            'idx_osmline_parent_osm_id_with_hnr'))
     if conn.table_exists('place'):
-        indexes.extend(('idx_placex_pendingsector',
-                        'idx_location_area_country_place_id',
-                        'idx_place_osm_unique'
-                       ))
+        indexes.extend(('idx_location_area_country_place_id',
+                        'idx_place_osm_unique',
+                        'idx_placex_rank_address_sector',
+                        'idx_placex_rank_boundaries_sector'))
 
     return indexes
 
 
-### CHECK FUNCTIONS
+# CHECK FUNCTIONS
 #
 # Functions are exectured in the order they appear here.
 
@@ -118,7 +137,7 @@ def _get_indexes(conn):
              Project directory: {config.project_dir}
              Current setting of NOMINATIM_DATABASE_DSN: {config.DATABASE_DSN}
              """)
-def check_connection(conn, config):
+def check_connection(conn: Any, config: Configuration) -> CheckResult:
     """ Checking database connection
     """
     if isinstance(conn, _BadConnection):
@@ -136,7 +155,7 @@ def check_connection(conn, config):
              Project directory: {config.project_dir}
              Current setting of NOMINATIM_DATABASE_DSN: {config.DATABASE_DSN}
              """)
-def check_placex_table(conn, config):
+def check_placex_table(conn: Connection, config: Configuration) -> CheckResult:
     """ Checking for placex table
     """
     if conn.table_exists('placex'):
@@ -145,8 +164,8 @@ def check_placex_table(conn, config):
     return CheckState.FATAL, dict(config=config)
 
 
-@_check(hint="""placex table has no data. Did the import finish sucessfully?""")
-def check_placex_size(conn, config): # pylint: disable=W0613
+@_check(hint="""placex table has no data. Did the import finish successfully?""")
+def check_placex_size(conn: Connection, _: Configuration) -> CheckResult:
     """ Checking for placex content
     """
     with conn.cursor() as cur:
@@ -154,30 +173,40 @@ def check_placex_size(conn, config): # pylint: disable=W0613
 
     return CheckState.OK if cnt > 0 else CheckState.FATAL
 
-@_check(hint="""\
-             The Postgresql extension nominatim.so was not correctly loaded.
 
-             Error: {error}
+@_check(hint="""{msg}""")
+def check_tokenizer(_: Connection, config: Configuration) -> CheckResult:
+    """ Checking that tokenizer works
+    """
+    try:
+        tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
+    except UsageError:
+        return CheckState.FAIL, dict(msg="""\
+            Cannot load tokenizer. Did the import finish successfully?""")
 
-             Hints:
-             * Check the output of the CMmake/make installation step
-             * Does nominatim.so exist?
-             * Does nominatim.so exist on the database server?
-             * Can nominatim.so be accessed by the database user?
+    result = tokenizer.check_database(config)
+
+    if result is None:
+        return CheckState.OK
+
+    return CheckState.FAIL, dict(msg=result)
+
+
+@_check(hint="""\
+             Wikipedia/Wikidata importance tables missing.
+             Quality of search results may be degraded. Reverse geocoding is unaffected.
+             See https://nominatim.org/release-docs/latest/admin/Import/#wikipediawikidata-rankings
              """)
-def check_module(conn, config): # pylint: disable=W0613
-    """ Checking that nominatim.so module is installed
+def check_existance_wikipedia(conn: Connection, _: Configuration) -> CheckResult:
+    """ Checking for wikipedia/wikidata data
     """
+    if not conn.table_exists('search_name') or not conn.table_exists('place'):
+        return CheckState.NOT_APPLICABLE
+
     with conn.cursor() as cur:
-        try:
-            out = cur.scalar("SELECT make_standard_name('a')")
-        except psycopg2.ProgrammingError as err:
-            return CheckState.FAIL, dict(error=str(err))
+        cnt = cur.scalar('SELECT count(*) FROM wikipedia_article')
 
-        if out != 'a':
-            return CheckState.FAIL, dict(error='Unexpected result for make_standard_name()')
-
-        return CheckState.OK
+        return CheckState.WARN if cnt == 0 else CheckState.OK
 
 
 @_check(hint="""\
@@ -185,7 +214,7 @@ def check_module(conn, config): # pylint: disable=W0613
 
              To index the remaining entries, run:   {index_cmd}
              """)
-def check_indexing(conn, config): # pylint: disable=W0613
+def check_indexing(conn: Connection, _: Configuration) -> CheckResult:
     """ Checking indexing status
     """
     with conn.cursor() as cur:
@@ -194,24 +223,23 @@ def check_indexing(conn, config): # pylint: disable=W0613
     if cnt == 0:
         return CheckState.OK
 
-    if conn.index_exists('idx_word_word_id'):
+    if conn.index_exists('idx_placex_rank_search'):
         # Likely just an interrupted update.
         index_cmd = 'nominatim index'
     else:
-        # Looks like the import process got interupted.
+        # Looks like the import process got interrupted.
         index_cmd = 'nominatim import --continue indexing'
 
     return CheckState.FAIL, dict(count=cnt, index_cmd=index_cmd)
 
 
-
 @_check(hint="""\
              The following indexes are missing:
                {indexes}
 
              Rerun the index creation with:   nominatim import --continue db-postprocess
              """)
-def check_database_indexes(conn, config): # pylint: disable=W0613
+def check_database_indexes(conn: Connection, _: Configuration) -> CheckResult:
     """ Checking that database indexes are complete
     """
     missing = []
@@ -233,7 +261,7 @@ def check_database_indexes(conn, config): # pylint: disable=W0613
              Invalid indexes:
                {indexes}
              """)
-def check_database_index_valid(conn, config): # pylint: disable=W0613
+def check_database_index_valid(conn: Connection, _: Configuration) -> CheckResult:
     """ Checking that all database indexes are valid
     """
     with conn.cursor() as cur:
@@ -241,7 +269,7 @@ def check_database_index_valid(conn, config): # pylint: disable=W0613
                         WHERE pg_index.indisvalid = false
                         AND pg_index.indexrelid = pg_class.oid""")
 
-        broken = list(cur)
+        broken = [c[0] for c in cur]
 
     if broken:
         return CheckState.FAIL, dict(indexes='\n  '.join(broken))
@@ -253,7 +281,7 @@ def check_database_index_valid(conn, config): # pylint: disable=W0613
              {error}
              Run TIGER import again:   nominatim add-data --tiger-data <DIR>
              """)
-def check_tiger_table(conn, config):
+def check_tiger_table(conn: Connection, config: Configuration) -> CheckResult:
     """ Checking TIGER external data table.
     """
     if not config.get_bool('USE_US_TIGER_DATA'):