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use wikidata tag for linking places

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Having the same wikidata is a strong indicator that the same place
is meant. There are some assignment errors where the wikidata does
not link to the object itself but to something that mentions the
place. To reduce errors there, prefer same name.
This commit is contained in:
Sarah Hoffmann
2020-03-21 22:43:28 +01:00
parent 405482ede4
commit e26a300c2f
2 changed files with 16 additions and 0 deletions
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sql/tables.sql
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@@ -177,6 +177,7 @@ CREATE INDEX idx_placex_linked_place_id ON placex USING BTREE (linked_place_id)
CREATE INDEX idx_placex_rank_search ON placex USING BTREE (rank_search, geometry_sector) {ts:address-index};
CREATE INDEX idx_placex_geometry ON placex USING GIST (geometry) {ts:search-index};
CREATE INDEX idx_placex_adminname on placex USING BTREE (make_standard_name(name->'name')) {ts:address-index} WHERE osm_type='N' and rank_search < 26;
CREATE INDEX idx_placex_wikidata on placex USING BTREE ((extratags -> 'wikidata')) {ts:address-index} WHERE extratags ? 'wikidata' and class = 'place' and osm_type = 'N' and rank_search < 26;
DROP SEQUENCE IF EXISTS seq_place;
CREATE SEQUENCE seq_place start 1;