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be more restrictive with sql select when computing linked waterways

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Sarah Hoffmann 2014-12-30 22:55:24 +01:00
parent 3db64e7913
commit a855bfc6e5
1 changed files with 8 additions and 8 deletions
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16
sql/functions.sql
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@ -1357,17 +1357,17 @@ BEGIN
-- waterway ways are linked when they are part of a relation and have the same class/type
IF NEW.osm_type = 'R' and NEW.class = 'waterway' THEN
FOR relation IN select * from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
FOR relation_members IN select members from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
LOOP
FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
IF relation.members[i+1] in ('', 'main_stream', 'side_stream') AND substring(relation.members[i],1,1) = 'w' THEN
--DEBUG: RAISE WARNING 'waterway parent %, child %/%', NEW.osm_id, i, relation.parts[i];
FOR location IN SELECT * FROM placex
WHERE osm_type = 'W' and osm_id = substring(relation.members[i],2,200)::bigint
FOR i IN 1..array_upper(relation_members, 1) BY 2 LOOP
IF relation_members[i+1] in ('', 'main_stream', 'side_stream') AND substring(relation_members[i],1,1) = 'w' THEN
--DEBUG: RAISE WARNING 'waterway parent %, child %/%', NEW.osm_id, i, relation.members[i];
FOR linked_node_id IN SELECT place_id FROM placex
WHERE osm_type = 'W' and osm_id = substring(relation_members[i],2,200)::bigint
and class = NEW.class and type = NEW.type
and ( relation.members[i+1] != 'side_stream' or NEW.name->'name' = name->'name')
and ( relation_members[i+1] != 'side_stream' or NEW.name->'name' = name->'name')
LOOP
UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = location.place_id;
UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
END LOOP;
END IF;
END LOOP;