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Handle postcode type change in place insert trigger

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AntoJvlt
2021-06-09 09:24:25 +02:00
committed by root
parent 1c175e3a67
commit 9e07a197e9
1 changed files with 11 additions and 7 deletions
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18
lib-sql/functions/place_triggers.sql
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@@ -77,12 +77,6 @@ BEGIN
ELSE -- insert to placex
-- Pure postcodes are never queried from placex so we don't add them.
-- location_postcodes is filled from the place table directly.
IF NEW.class = 'place' AND NEW.type = 'postcode' THEN
RETURN NEW;
END IF;
-- Patch in additional country names
IF NEW.admin_level = 2 AND NEW.type = 'administrative'
AND NEW.address is not NULL AND NEW.address ? 'country' THEN
@@ -98,6 +92,16 @@ BEGIN
-- Get the existing place_id
select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
-- Pure postcodes are never queried from placex so we don't add them.
-- location_postcodes is filled from the place table directly.
IF NEW.class = 'place' AND NEW.type = 'postcode' THEN
-- Remove old placex entry if the type changed to postcode.
IF existingplacex.type IS NOT NULL AND existingplacex.type != 'postcode' THEN
DELETE FROM placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
END IF;
RETURN NEW;
END IF;
-- Handle a place changing type by removing the old data
-- My generated 'place' types are causing havok because they overlap with real keys
-- TODO: move them to their own special purpose key/class to avoid collisions
@@ -207,7 +211,7 @@ BEGIN
where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
IF NEW.class in ('place','boundary') AND NEW.type in ('postcode','postal_code') THEN
IF NEW.class = 'boundary' AND NEW.type = 'postal_code' THEN
IF NEW.address is NULL OR NOT NEW.address ? 'postcode' THEN
-- postcode was deleted, no longer retain in placex
DELETE FROM placex where place_id = existingplacex.place_id;