kopia lustrzana https://github.com/openmaptiles/openmaptiles
87 wiersze
2.4 KiB
PL/PgSQL
87 wiersze
2.4 KiB
PL/PgSQL
DROP TRIGGER IF EXISTS trigger_flag ON osm_island_point;
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DROP TRIGGER IF EXISTS trigger_store ON osm_island_point;
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DROP TRIGGER IF EXISTS trigger_refresh ON place_island_point.updates;
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CREATE SCHEMA IF NOT EXISTS place_island_point;
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CREATE TABLE IF NOT EXISTS place_island_point.osm_ids
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(
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osm_id bigint
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);
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-- etldoc: osm_island_point -> osm_island_point
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CREATE OR REPLACE FUNCTION update_osm_island_point(full_update boolean) RETURNS void AS
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$$
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UPDATE osm_island_point
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SET tags = update_tags(tags, geometry)
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WHERE (full_update OR osm_id IN (SELECT osm_id FROM place_island_point.osm_ids))
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AND COALESCE(tags->'name:latin', tags->'name:nonlatin', tags->'name_int') IS NULL
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AND tags != update_tags(tags, geometry);
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$$ LANGUAGE SQL;
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SELECT update_osm_island_point(true);
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-- Handle updates
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CREATE OR REPLACE FUNCTION place_island_point.store() RETURNS trigger AS
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$$
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BEGIN
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IF (tg_op = 'DELETE') THEN
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INSERT INTO place_island_point.osm_ids VALUES (OLD.osm_id);
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ELSE
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INSERT INTO place_island_point.osm_ids VALUES (NEW.osm_id);
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END IF;
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TABLE IF NOT EXISTS place_island_point.updates
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(
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id serial PRIMARY KEY,
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t text,
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UNIQUE (t)
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);
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CREATE OR REPLACE FUNCTION place_island_point.flag() RETURNS trigger AS
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$$
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BEGIN
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INSERT INTO place_island_point.updates(t) VALUES ('y') ON CONFLICT(t) DO NOTHING;
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION place_island_point.refresh() RETURNS trigger AS
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$$
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DECLARE
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t TIMESTAMP WITH TIME ZONE := clock_timestamp();
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BEGIN
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RAISE LOG 'Refresh place_island_point';
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PERFORM update_osm_island_point(false);
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-- noinspection SqlWithoutWhere
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DELETE FROM place_island_point.osm_ids;
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-- noinspection SqlWithoutWhere
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DELETE FROM place_island_point.updates;
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RAISE LOG 'Refresh place_island_point done in %', age(clock_timestamp(), t);
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trigger_store
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AFTER INSERT OR UPDATE OR DELETE
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ON osm_island_point
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FOR EACH ROW
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EXECUTE PROCEDURE place_island_point.store();
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CREATE TRIGGER trigger_flag
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AFTER INSERT OR UPDATE OR DELETE
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ON osm_island_point
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FOR EACH STATEMENT
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EXECUTE PROCEDURE place_island_point.flag();
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CREATE CONSTRAINT TRIGGER trigger_refresh
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AFTER INSERT
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ON place_island_point.updates
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INITIALLY DEFERRED
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FOR EACH ROW
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EXECUTE PROCEDURE place_island_point.refresh();
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