from nominatim.config import Configuration
from nominatim.db import properties
from nominatim.db.connection import connect, Connection
-from nominatim.version import NOMINATIM_VERSION, version_str
+from nominatim.version import NominatimVersion, NOMINATIM_VERSION, parse_version
from nominatim.tools import refresh
from nominatim.tokenizer import factory as tokenizer_factory
from nominatim.errors import UsageError
LOG = logging.getLogger()
-VersionTuple = Tuple[int, int, int, int]
-
-_MIGRATION_FUNCTIONS : List[Tuple[VersionTuple, Callable[..., None]]] = []
+_MIGRATION_FUNCTIONS : List[Tuple[NominatimVersion, Callable[..., None]]] = []
def migrate(config: Configuration, paths: Any) -> int:
""" Check for the current database version and execute migrations,
db_version_str = None
if db_version_str is not None:
- parts = db_version_str.split('.')
- db_version = tuple(int(x) for x in parts[:2] + parts[2].split('-'))
+ db_version = parse_version(db_version_str)
if db_version == NOMINATIM_VERSION:
LOG.warning("Database already at latest version (%s)", db_version_str)
has_run_migration = False
for version, func in _MIGRATION_FUNCTIONS:
- if db_version <= version:
+ if db_version < version or \
+ (db_version == (3, 5, 0, 99) and version == (3, 5, 0, 99)):
title = func.__doc__ or ''
- LOG.warning("Running: %s (%s)", title.split('\n', 1)[0],
- version_str(version))
+ LOG.warning("Running: %s (%s)", title.split('\n', 1)[0], version)
kwargs = dict(conn=conn, config=config, paths=paths)
func(**kwargs)
conn.commit()
tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
tokenizer.update_sql_functions(config)
- properties.set_property(conn, 'database_version', version_str())
+ properties.set_property(conn, 'database_version', str(NOMINATIM_VERSION))
conn.commit()
return 0
-def _guess_version(conn: Connection) -> VersionTuple:
+def _guess_version(conn: Connection) -> NominatimVersion:
""" Guess a database version when there is no property table yet.
Only migrations for 3.6 and later are supported, so bail out
when the version seems older.
'prior to 3.6.0. Automatic migration not possible.')
raise UsageError('Migration not possible.')
- return (3, 5, 0, 99)
+ return NominatimVersion(3, 5, 0, 99)
there.
"""
def decorator(func: Callable[..., None]) -> Callable[..., None]:
- _MIGRATION_FUNCTIONS.append(((major, minor, patch, dbpatch), func))
+ version = NominatimVersion(major, minor, patch, dbpatch)
+ _MIGRATION_FUNCTIONS.append((version, func))
return func
return decorator
names = {}
names['countrycode'] = country_code
analyzer.add_country_names(country_code, names)
+
+
+@_migration(4, 1, 99, 0)
+def add_place_deletion_todo_table(conn: Connection, **_: Any) -> None:
+ """ Add helper table for deleting data on updates.
+
+ The table is only necessary when updates are possible, i.e.
+ the database is not in freeze mode.
+ """
+ if conn.table_exists('place'):
+ with conn.cursor() as cur:
+ cur.execute("""CREATE TABLE IF NOT EXISTS place_to_be_deleted (
+ osm_type CHAR(1),
+ osm_id BIGINT,
+ class TEXT,
+ type TEXT,
+ deferred BOOLEAN)""")
+
+
+@_migration(4, 1, 99, 1)
+def split_pending_index(conn: Connection, **_: Any) -> None:
+ """ Reorganise indexes for pending updates.
+ """
+ if conn.table_exists('place'):
+ with conn.cursor() as cur:
+ cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_rank_address_sector
+ ON placex USING BTREE (rank_address, geometry_sector)
+ WHERE indexed_status > 0""")
+ cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_rank_boundaries_sector
+ ON placex USING BTREE (rank_search, geometry_sector)
+ WHERE class = 'boundary' and type = 'administrative'
+ and indexed_status > 0""")
+ cur.execute("DROP INDEX IF EXISTS idx_placex_pendingsector")
+
+
+@_migration(4, 2, 99, 0)
+def enable_forward_dependencies(conn: Connection, **_: Any) -> None:
+ """ Create indexes for updates with forward dependency tracking (long-running).
+ """
+ if conn.table_exists('planet_osm_ways'):
+ with conn.cursor() as cur:
+ cur.execute("""SELECT * FROM pg_indexes
+ WHERE tablename = 'planet_osm_ways'
+ and indexdef LIKE '%nodes%'""")
+ if cur.rowcount == 0:
+ cur.execute("""CREATE OR REPLACE FUNCTION public.planet_osm_index_bucket(bigint[])
+ RETURNS bigint[]
+ LANGUAGE sql IMMUTABLE
+ AS $function$
+ SELECT ARRAY(SELECT DISTINCT unnest($1) >> 5)
+ $function$""")
+ cur.execute("""CREATE INDEX planet_osm_ways_nodes_bucket_idx
+ ON planet_osm_ways
+ USING gin (planet_osm_index_bucket(nodes))
+ WITH (fastupdate=off)""")
+ cur.execute("""CREATE INDEX planet_osm_rels_parts_idx
+ ON planet_osm_rels USING gin (parts)
+ WITH (fastupdate=off)""")
+ cur.execute("ANALYZE planet_osm_ways")
+
+
+@_migration(4, 2, 99, 1)
+def add_improved_geometry_reverse_placenode_index(conn: Connection, **_: Any) -> None:
+ """ Create improved index for reverse lookup of place nodes.
+ """
+ with conn.cursor() as cur:
+ cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_geometry_reverse_lookupPlaceNode
+ ON placex
+ USING gist (ST_Buffer(geometry, reverse_place_diameter(rank_search)))
+ WHERE rank_address between 4 and 25 AND type != 'postcode'
+ AND name is not null AND linked_place_id is null AND osm_type = 'N'
+ """)
projects / nominatim.git / blobdiff