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Use schemas to update on commit, untested

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stirringhalo
2017-01-04 16:59:42 -05:00
parent 35a5ba1ade
commit 2fd3be1403
4 changed files with 92 additions and 39 deletions
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38
layers/transportation_name/merge_highways.sql
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@@ -56,25 +56,43 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS (
) WITH NO DATA;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist(geometry);
--- Triggers
-- Handle updates
CREATE OR REPLACE FUNCTION refresh_osm_transportation_name_linestring() RETURNS trigger AS
CREATE SCHEMA transportation_name;
CREATE TABLE IF NOT EXISTS transportation_name.updates(id serial primary key, t text, unique (t));
CREATE OR REPLACE FUNCTION transportation_name.flag() RETURNS trigger AS $$
BEGIN
INSERT INTO transportation_name.updates(t) VALUES ('y') ON CONFLICT(t) DO NOTHING;
RETURN null;
END;
$$ language plpgsql;
CREATE OR REPLACE FUNCTION transportation_name.refresh() RETURNS trigger AS
$BODY$
BEGIN
RAISE LOG 'Refresh osm_highway_linestring based tables';
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen1;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen2;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen3;
RETURN null;
RAISE LOG 'Refresh transportation_name';
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen1;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen2;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen3;
DELETE FROM transportation_name.updates;
RETURN null;
END;
$BODY$
language plpgsql;
CREATE TRIGGER trigger_refresh_osm_transportation_name_linestring
CREATE TRIGGER transportation_name.trigger_flag
AFTER INSERT OR UPDATE OR DELETE ON osm_highway_linestring
FOR EACH STATEMENT
EXECUTE PROCEDURE refresh_osm_transportation_name_linestring();
EXECUTE PROCEDURE transportation_name.flag();
CREATE CONSTRAINT TRIGGER transportation_name.trigger_refresh
AFTER INSERT ON transportation_name.updates
INITIALLY DEFERRED
FOR EACH ROW
EXECUTE PROCEDURE transportation_name.refresh();