EXECUTE 'CREATE TEMP TABLE face_check ON COMMIT DROP AS '
|| 'SELECT face_id, topology.ST_GetFaceGeometry('
|| quote_literal(toponame) || ', face_id) as geom, mbr FROM '
- || quote_ident(toponame) || '.face';
+ || quote_ident(toponame) || '.face WHERE face_id > 0';
-- Build a gist index on geom
EXECUTE 'CREATE INDEX "face_check_gist" ON '
|| ' FROM '
|| 'face_check f1, '
|| 'face_check f2 '
- || 'WHERE f1.face_id > 0 AND f1.face_id < f2.face_id'
+ || 'WHERE f1.face_id < f2.face_id'
|| ' AND f1.geom && f2.geom'
LOOP