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allow deletion of large areas of high rank

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Sarah Hoffmann
2014-04-11 22:28:07 +02:00
parent 589bad809e
commit 1bb47a6523
1 changed files with 6 additions and 3 deletions
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9
sql/functions.sql
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@@ -1986,15 +1986,18 @@ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
AS $$ AS $$
DECLARE DECLARE
placeid BIGINT; has_rank BOOLEAN;
BEGIN BEGIN
--DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type; --DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
-- deleting large polygons can have a massive effect on the system - require manual intervention to let them through -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type); SELECT bool_or(not (rank_address = 0 or rank_address > 26)) as ranked FROM placex WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type INTO has_rank;
RETURN NULL; IF has_rank THEN
insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
RETURN NULL;
END IF;
END IF; END IF;
-- mark for delete -- mark for delete