add new commands for forced invalidation before indexing

This commit is contained in:
Sarah Hoffmann
2022-04-13 22:00:37 +02:00
parent f8f20899a3
commit c3f1d34b71
2 changed files with 53 additions and 0 deletions

View File

@@ -19,6 +19,16 @@ from nominatim.db.connection import connect
LOG = logging.getLogger()
def _parse_osm_object(obj):
""" Parse the given argument into a tuple of OSM type and ID.
Raises an ArgumentError if the format is not recognized.
"""
if len(obj) < 2 or obj[0].lower() not in 'nrw' or not obj[1:].isdigit():
raise ArgumentError("Expect OSM object id of form [N|W|R]<id>.")
return (obj[0].upper(), int(obj[1:]))
class UpdateRefresh:
"""\
Recompute auxiliary data used by the indexing process.
@@ -53,6 +63,15 @@ class UpdateRefresh:
help='Recompute place importances (expensive!)')
group.add_argument('--website', action='store_true',
help='Refresh the directory that serves the scripts for the web API')
group.add_argument('--data-object', action='append',
type=_parse_osm_object, metavar='OBJECT',
help='Mark the given OSM object as requiring an update'
' (format: [NWR]<id>)')
group.add_argument('--data-area', action='append',
type=_parse_osm_object, metavar='OBJECT',
help='Mark the area around the given OSM object as requiring an update'
' (format: [NWR]<id>)')
group = parser.add_argument_group('Arguments for function refresh')
group.add_argument('--no-diff-updates', action='store_false', dest='diffs',
help='Do not enable code for propagating updates')
@@ -124,6 +143,14 @@ class UpdateRefresh:
with connect(args.config.get_libpq_dsn()) as conn:
refresh.setup_website(webdir, args.config, conn)
if args.data_object or args.data_area:
with connect(args.config.get_libpq_dsn()) as conn:
for obj in args.data_object or []:
refresh.invalidate_osm_object(*obj, conn, recursive=False)
for obj in args.data_area or []:
refresh.invalidate_osm_object(*obj, conn, recursive=True)
conn.commit()
return 0

View File

@@ -19,6 +19,7 @@ from nominatim.version import NOMINATIM_VERSION
LOG = logging.getLogger()
OSM_TYPE = {'N': 'node', 'W': 'way', 'R': 'relation'}
def _add_address_level_rows_from_entry(rows, entry):
""" Converts a single entry from the JSON format for address rank
@@ -210,3 +211,28 @@ def setup_website(basedir, config, conn):
(basedir / script).write_text(template.format('reverse-only-search.php'), 'utf-8')
else:
(basedir / script).write_text(template.format(script), 'utf-8')
def invalidate_osm_object(osm_type, osm_id, conn, recursive=True):
""" Mark the given OSM object for reindexing. When 'recursive' is set
to True (the default), then all dependent objects are marked for
reindexing as well.
'osm_type' must be on of 'N' (node), 'W' (way) or 'R' (relation).
If the given object does not exist, then nothing happens.
"""
assert osm_type in ('N', 'R', 'W')
LOG.warning("Invalidating OSM %s %s%s.",
OSM_TYPE[osm_type], osm_id,
' and its dependent places' if recursive else '')
with conn.cursor() as cur:
if recursive:
sql = """SELECT place_force_update(place_id)
FROM placex WHERE osm_type = %s and osm_id = %s"""
else:
sql = """UPDATE placex SET indexed_status = 2
WHERE osm_type = %s and osm_id = %s"""
cur.execute(sql, (osm_type, osm_id))