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Merge pull request #3997 from lonvia/fix-postcode-index

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Reenable index on centroid column for location_postcodes
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Sarah Hoffmann
2026-02-22 17:20:15 +01:00
committed by GitHub
parent 3e35d7fe26 f0d32501e4
commit 6c00169666
2 changed files with 3 additions and 2 deletions
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3
lib-sql/functions/utils.sql
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@@ -153,8 +153,7 @@ BEGIN
IF ST_GeometryType(geom) in ('ST_Polygon','ST_MultiPolygon') THEN
SELECT min(postcode), count(*) FROM
(SELECT postcode FROM location_postcodes
WHERE geom && location_postcodes.geometry -- want to use the index
AND ST_Contains(geom, location_postcodes.centroid)
WHERE ST_Contains(geom, location_postcodes.centroid)
AND country_code = country
LIMIT 2) sub
INTO outcode, cnt;

2
lib-sql/tables/postcodes.sql
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@@ -23,6 +23,8 @@ CREATE UNIQUE INDEX idx_location_postcodes_id ON location_postcodes
USING BTREE (place_id) {{db.tablespace.search_index}};
CREATE INDEX idx_location_postcodes_geometry ON location_postcodes
USING GIST (geometry) {{db.tablespace.search_index}};
CREATE INDEX idx_location_postcodes_centroid ON location_postcodes
USING GIST (centroid) {{db.tablespace.search_index}};
CREATE INDEX IF NOT EXISTS idx_location_postcodes_postcode ON location_postcodes
USING BTREE (postcode, country_code) {{db.tablespace.search_index}};
CREATE INDEX IF NOT EXISTS idx_location_postcodes_osmid ON location_postcodes