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split up query for deletable endpoint by osm type

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This is needed to ensure index use on placex.
This commit is contained in:
Sarah Hoffmann
2025-07-08 11:03:29 +02:00
parent 06d5ab4c2d
commit cf9e8d6b8e
1 changed files with 10 additions and 7 deletions
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17
src/nominatim_api/v1/server_glue.py
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@@ -374,14 +374,17 @@ async def deletable_endpoint(api: NominatimAPIAsync, params: ASGIAdaptor) -> Any
""" """
fmt = parse_format(params, RawDataList, 'json') fmt = parse_format(params, RawDataList, 'json')
results = RawDataList()
async with api.begin() as conn: async with api.begin() as conn:
sql = sa.text(""" SELECT p.place_id, country_code, for osm_type in ('N', 'W', 'R'):
name->'name' as name, i.* sql = sa.text(""" SELECT p.place_id, country_code,
FROM placex p, import_polygon_delete i name->'name' as name, i.*
WHERE p.osm_id = i.osm_id AND p.osm_type = i.osm_type FROM placex p, import_polygon_delete i
AND p.class = i.class AND p.type = i.type WHERE i.osm_type = :osm_type
""") AND p.osm_id = i.osm_id AND p.osm_type = :osm_type
results = RawDataList(r._asdict() for r in await conn.execute(sql)) AND p.class = i.class AND p.type = i.type
""")
results.extend(r._asdict() for r in await conn.execute(sql, {'osm_type': osm_type}))
return build_response(params, params.formatting().format_result(results, fmt, {})) return build_response(params, params.formatting().format_result(results, fmt, {}))