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add option to force a postcode reimport

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This commit is contained in:
Sarah Hoffmann
2026-02-21 12:42:18 +01:00
parent 2507d5a298
commit fff5858b53
3 changed files with 14 additions and 3 deletions
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1
src/nominatim_db/clicmd/args.py
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@@ -120,6 +120,7 @@ class NominatimArgs:
data_object: Sequence[Tuple[str, int]] data_object: Sequence[Tuple[str, int]]
data_area: Sequence[Tuple[str, int]] data_area: Sequence[Tuple[str, int]]
ro_access: bool ro_access: bool
postcode_force_reimport: bool
# Arguments to 'replication' # Arguments to 'replication'
init: bool init: bool

7
src/nominatim_db/clicmd/refresh.py
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@@ -84,6 +84,10 @@ class UpdateRefresh:
help='Do not enable code for propagating updates') help='Do not enable code for propagating updates')
group.add_argument('--enable-debug-statements', action='store_true', group.add_argument('--enable-debug-statements', action='store_true',
help='Enable debug warning statements in functions') help='Enable debug warning statements in functions')
group = parser.add_argument_group('Arguments for postcode refresh')
group.add_argument('--force-reimport', action='store_true',
dest='postcode_force_reimport',
help='Recompute the postcodes from scratch instead of updating')
def run(self, args: NominatimArgs) -> int: def run(self, args: NominatimArgs) -> int:
from ..tools import refresh, postcodes from ..tools import refresh, postcodes
@@ -96,7 +100,8 @@ class UpdateRefresh:
LOG.warning("Update postcodes centroid") LOG.warning("Update postcodes centroid")
tokenizer = self._get_tokenizer(args.config) tokenizer = self._get_tokenizer(args.config)
postcodes.update_postcodes(args.config.get_libpq_dsn(), postcodes.update_postcodes(args.config.get_libpq_dsn(),
args.project_dir, tokenizer) args.project_dir, tokenizer,
force_reimport=args.postcode_force_reimport)
indexer = Indexer(args.config.get_libpq_dsn(), tokenizer, indexer = Indexer(args.config.get_libpq_dsn(), tokenizer,
args.threads or 1) args.threads or 1)
asyncio.run(indexer.index_postcodes()) asyncio.run(indexer.index_postcodes())

9
src/nominatim_db/tools/postcodes.py
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@@ -177,7 +177,8 @@ class _PostcodeCollector:
return None return None
def update_postcodes(dsn: str, project_dir: Optional[Path], tokenizer: AbstractTokenizer) -> None: def update_postcodes(dsn: str, project_dir: Optional[Path],
tokenizer: AbstractTokenizer, force_reimport: bool = False) -> None:
""" Update the table of postcodes from the input tables """ Update the table of postcodes from the input tables
placex and place_postcode. placex and place_postcode.
""" """
@@ -189,7 +190,11 @@ def update_postcodes(dsn: str, project_dir: Optional[Path], tokenizer: AbstractT
SET country_code = get_country_code(centroid) SET country_code = get_country_code(centroid)
WHERE country_code is null WHERE country_code is null
""") """)
is_initial = _is_postcode_table_empty(conn) if force_reimport:
conn.execute("TRUNCATE location_postcodes")
is_initial = True
else:
is_initial = _is_postcode_table_empty(conn)
if is_initial: if is_initial:
conn.execute("""ALTER TABLE location_postcodes conn.execute("""ALTER TABLE location_postcodes
DISABLE TRIGGER location_postcodes_before_insert""") DISABLE TRIGGER location_postcodes_before_insert""")