From 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:46:48 +0200 Subject: Adding upstream version 15.4. Signed-off-by: Daniel Baumann --- contrib/pg_freespacemap/pg_freespacemap--1.1.sql | 25 ++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 contrib/pg_freespacemap/pg_freespacemap--1.1.sql (limited to 'contrib/pg_freespacemap/pg_freespacemap--1.1.sql') diff --git a/contrib/pg_freespacemap/pg_freespacemap--1.1.sql b/contrib/pg_freespacemap/pg_freespacemap--1.1.sql new file mode 100644 index 0000000..e1b8242 --- /dev/null +++ b/contrib/pg_freespacemap/pg_freespacemap--1.1.sql @@ -0,0 +1,25 @@ +/* contrib/pg_freespacemap/pg_freespacemap--1.1.sql */ + +-- complain if script is sourced in psql, rather than via CREATE EXTENSION +\echo Use "CREATE EXTENSION pg_freespacemap" to load this file. \quit + +-- Register the C function. +CREATE FUNCTION pg_freespace(regclass, bigint) +RETURNS int2 +AS 'MODULE_PATHNAME', 'pg_freespace' +LANGUAGE C STRICT PARALLEL SAFE; + +-- pg_freespace shows the recorded space avail at each block in a relation +CREATE FUNCTION + pg_freespace(rel regclass, blkno OUT bigint, avail OUT int2) +RETURNS SETOF RECORD +AS $$ + SELECT blkno, pg_freespace($1, blkno) AS avail + FROM generate_series(0, pg_relation_size($1) / current_setting('block_size')::bigint - 1) AS blkno; +$$ +LANGUAGE SQL PARALLEL SAFE; + + +-- Don't want these to be available to public. +REVOKE ALL ON FUNCTION pg_freespace(regclass, bigint) FROM PUBLIC; +REVOKE ALL ON FUNCTION pg_freespace(regclass) FROM PUBLIC; -- cgit v1.2.3