Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/thread-self/root/opt/postgresql-12/share/extension/

//proc/thread-self/root/opt/postgresql-12/share/extension/pg_visibility--1.1.sql

/* contrib/pg_visibility/pg_visibility--1.1.sql */ -- complain if script is sourced in psql, rather than via CREATE EXTENSION \echo Use "CREATE EXTENSION pg_visibility" to load this file. \quit -- Show visibility map information. CREATE FUNCTION pg_visibility_map(regclass, blkno bigint, all_visible OUT boolean, all_frozen OUT boolean) RETURNS record AS 'MODULE_PATHNAME', 'pg_visibility_map' LANGUAGE C STRICT; -- Show visibility map and page-level visibility information. CREATE FUNCTION pg_visibility(regclass, blkno bigint, all_visible OUT boolean, all_frozen OUT boolean, pd_all_visible OUT boolean) RETURNS record AS 'MODULE_PATHNAME', 'pg_visibility' LANGUAGE C STRICT; -- Show visibility map information for each block in a relation. CREATE FUNCTION pg_visibility_map(regclass, blkno OUT bigint, all_visible OUT boolean, all_frozen OUT boolean) RETURNS SETOF record AS 'MODULE_PATHNAME', 'pg_visibility_map_rel' LANGUAGE C STRICT; -- Show visibility map and page-level visibility information for each block. CREATE FUNCTION pg_visibility(regclass, blkno OUT bigint, all_visible OUT boolean, all_frozen OUT boolean, pd_all_visible OUT boolean) RETURNS SETOF record AS 'MODULE_PATHNAME', 'pg_visibility_rel' LANGUAGE C STRICT; -- Show summary of visibility map bits for a relation. CREATE FUNCTION pg_visibility_map_summary(regclass, OUT all_visible bigint, OUT all_frozen bigint) RETURNS record AS 'MODULE_PATHNAME', 'pg_visibility_map_summary' LANGUAGE C STRICT; -- Show tupleids of non-frozen tuples if any in all_frozen pages -- for a relation. CREATE FUNCTION pg_check_frozen(regclass, t_ctid OUT tid) RETURNS SETOF tid AS 'MODULE_PATHNAME', 'pg_check_frozen' LANGUAGE C STRICT; -- Show tupleids of dead tuples if any in all_visible pages for a relation. CREATE FUNCTION pg_check_visible(regclass, t_ctid OUT tid) RETURNS SETOF tid AS 'MODULE_PATHNAME', 'pg_check_visible' LANGUAGE C STRICT; -- Truncate the visibility map fork. CREATE FUNCTION pg_truncate_visibility_map(regclass) RETURNS void AS 'MODULE_PATHNAME', 'pg_truncate_visibility_map' LANGUAGE C STRICT PARALLEL UNSAFE; -- let's not make this any more dangerous -- Don't want these to be available to public. REVOKE ALL ON FUNCTION pg_visibility_map(regclass, bigint) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_visibility(regclass, bigint) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_visibility_map(regclass) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_visibility(regclass) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_visibility_map_summary(regclass) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_check_frozen(regclass) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_check_visible(regclass) FROM PUBLIC; REVOKE ALL ON FUNCTION pg_truncate_visibility_map(regclass) FROM PUBLIC;