kopia lustrzana https://github.com/openmaptiles/openmaptiles
Improved update performance of housenumber layer (#1507)
Improved update performance of housenumber layer - Refactored IDs to be unique in housenumber.osm_ids - Restricted updates to INSERT and UPDATE operations during housenumber.refresh - Added analyze statements before update queries during housenumber.refreshpull/1518/head^2
rodzic
d8a8c81f79
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7bdf1ae409
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@ -6,7 +6,7 @@ CREATE SCHEMA IF NOT EXISTS housenumber;
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CREATE TABLE IF NOT EXISTS housenumber.osm_ids
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CREATE TABLE IF NOT EXISTS housenumber.osm_ids
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(
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(
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osm_id bigint
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osm_id bigint PRIMARY KEY
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);
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);
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-- etldoc: osm_housenumber_point -> osm_housenumber_point
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-- etldoc: osm_housenumber_point -> osm_housenumber_point
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@ -41,11 +41,7 @@ SELECT convert_housenumber_point(true);
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CREATE OR REPLACE FUNCTION housenumber.store() RETURNS trigger AS
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CREATE OR REPLACE FUNCTION housenumber.store() RETURNS trigger AS
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$$
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$$
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BEGIN
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BEGIN
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IF (tg_op = 'DELETE') THEN
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INSERT INTO housenumber.osm_ids VALUES (NEW.osm_id) ON CONFLICT (osm_id) DO NOTHING;
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INSERT INTO housenumber.osm_ids VALUES (OLD.osm_id);
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ELSE
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INSERT INTO housenumber.osm_ids VALUES (NEW.osm_id);
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END IF;
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RETURN NULL;
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RETURN NULL;
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END;
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END;
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$$ LANGUAGE plpgsql;
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$$ LANGUAGE plpgsql;
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@ -70,6 +66,11 @@ DECLARE
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t TIMESTAMP WITH TIME ZONE := clock_timestamp();
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t TIMESTAMP WITH TIME ZONE := clock_timestamp();
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BEGIN
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BEGIN
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RAISE LOG 'Refresh housenumber';
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RAISE LOG 'Refresh housenumber';
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-- Analyze tracking and source tables before performing update
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ANALYZE housenumber.osm_ids;
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ANALYZE osm_housenumber_point;
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PERFORM convert_housenumber_point(false);
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PERFORM convert_housenumber_point(false);
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-- noinspection SqlWithoutWhere
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-- noinspection SqlWithoutWhere
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DELETE FROM housenumber.osm_ids;
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DELETE FROM housenumber.osm_ids;
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@ -82,13 +83,13 @@ END;
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$$ LANGUAGE plpgsql;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trigger_store
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CREATE TRIGGER trigger_store
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AFTER INSERT OR UPDATE OR DELETE
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AFTER INSERT OR UPDATE
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ON osm_housenumber_point
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ON osm_housenumber_point
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FOR EACH ROW
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FOR EACH ROW
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EXECUTE PROCEDURE housenumber.store();
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EXECUTE PROCEDURE housenumber.store();
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CREATE TRIGGER trigger_flag
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CREATE TRIGGER trigger_flag
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AFTER INSERT OR UPDATE OR DELETE
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AFTER INSERT OR UPDATE
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ON osm_housenumber_point
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ON osm_housenumber_point
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FOR EACH STATEMENT
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FOR EACH STATEMENT
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EXECUTE PROCEDURE housenumber.flag();
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EXECUTE PROCEDURE housenumber.flag();
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