timescaledb/sql/common/cache.sql
2017-03-06 11:06:49 -05:00

30 lines
1.8 KiB
SQL

-- cache invalidation proxy table
CREATE TABLE _timescaledb_cache.cache_inval_hypertable();
CREATE TABLE _timescaledb_cache.cache_inval_chunk();
--not actually strictly needed but good for sanity as all tables should be dumped.
SELECT pg_catalog.pg_extension_config_dump('_timescaledb_cache.cache_inval_hypertable', '');
SELECT pg_catalog.pg_extension_config_dump('_timescaledb_cache.cache_inval_chunk', '');
CREATE OR REPLACE FUNCTION _timescaledb_cache.invalidate_relcache_trigger()
RETURNS TRIGGER AS '$libdir/timescaledb', 'invalidate_relcache_trigger' LANGUAGE C;
--for debugging
CREATE OR REPLACE FUNCTION _timescaledb_cache.invalidate_relcache(proxy_oid OID)
RETURNS BOOLEAN AS '$libdir/timescaledb', 'invalidate_relcache' LANGUAGE C;
CREATE TRIGGER "0_cache_inval" AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON _timescaledb_catalog.hypertable
FOR EACH STATEMENT EXECUTE PROCEDURE _timescaledb_cache.invalidate_relcache_trigger('cache_inval_hypertable');
CREATE TRIGGER "0_cache_inval" AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON _timescaledb_catalog.partition_epoch
FOR EACH STATEMENT EXECUTE PROCEDURE _timescaledb_cache.invalidate_relcache_trigger('cache_inval_hypertable');
CREATE TRIGGER "0_cache_inval" AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON _timescaledb_catalog.partition
FOR EACH STATEMENT EXECUTE PROCEDURE _timescaledb_cache.invalidate_relcache_trigger('cache_inval_hypertable');
CREATE TRIGGER "0_cache_inval" AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON _timescaledb_catalog.chunk
FOR EACH STATEMENT EXECUTE PROCEDURE _timescaledb_cache.invalidate_relcache_trigger('cache_inval_chunk');
CREATE TRIGGER "0_cache_inval_1" AFTER INSERT OR UPDATE OR DELETE OR TRUNCATE ON _timescaledb_catalog.chunk_replica_node
FOR EACH STATEMENT EXECUTE PROCEDURE _timescaledb_cache.invalidate_relcache_trigger('cache_inval_chunk');