From 42d4257a069584e205cafcc175f9f6f8d673237c Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Thu, 9 Jun 2016 17:18:16 -0400
Subject: [PATCH] Update pg_freespacemap extension for parallel query.
All functions provided by this extension are PARALLEL SAFE.
Andreas Karlsson
---
contrib/pg_freespacemap/Makefile | 3 ++-
contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql | 7 +++++++
.../{pg_freespacemap--1.0.sql => pg_freespacemap--1.1.sql} | 6 +++---
contrib/pg_freespacemap/pg_freespacemap.control | 2 +-
4 files changed, 13 insertions(+), 5 deletions(-)
create mode 100644 contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql
rename contrib/pg_freespacemap/{pg_freespacemap--1.0.sql => pg_freespacemap--1.1.sql} (87%)
diff --git a/contrib/pg_freespacemap/Makefile b/contrib/pg_freespacemap/Makefile
index 5760d9fe51f..7bc0e9555df 100644
--- a/contrib/pg_freespacemap/Makefile
+++ b/contrib/pg_freespacemap/Makefile
@@ -4,7 +4,8 @@ MODULE_big = pg_freespacemap
OBJS = pg_freespacemap.o $(WIN32RES)
EXTENSION = pg_freespacemap
-DATA = pg_freespacemap--1.0.sql pg_freespacemap--unpackaged--1.0.sql
+DATA = pg_freespacemap--1.1.sql pg_freespacemap--1.0--1.1.sql \
+ pg_freespacemap--unpackaged--1.0.sql
PGFILEDESC = "pg_freespacemap - monitoring of free space map"
ifdef USE_PGXS
diff --git a/contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql b/contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql
new file mode 100644
index 00000000000..52d6576df0d
--- /dev/null
+++ b/contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql
@@ -0,0 +1,7 @@
+/* contrib/pg_freespacemap/pg_freespacemap--1.0--1.1.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION pg_freespacemap UPDATE TO '1.1'" to load this file. \quit
+
+ALTER FUNCTION pg_freespace(regclass, bigint) PARALLEL SAFE;
+ALTER FUNCTION pg_freespace(regclass) PARALLEL SAFE;
diff --git a/contrib/pg_freespacemap/pg_freespacemap--1.0.sql b/contrib/pg_freespacemap/pg_freespacemap--1.1.sql
similarity index 87%
rename from contrib/pg_freespacemap/pg_freespacemap--1.0.sql
rename to contrib/pg_freespacemap/pg_freespacemap--1.1.sql
index 2adb52a3753..e1b8242268b 100644
--- a/contrib/pg_freespacemap/pg_freespacemap--1.0.sql
+++ b/contrib/pg_freespacemap/pg_freespacemap--1.1.sql
@@ -1,4 +1,4 @@
-/* contrib/pg_freespacemap/pg_freespacemap--1.0.sql */
+/* 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
@@ -7,7 +7,7 @@
CREATE FUNCTION pg_freespace(regclass, bigint)
RETURNS int2
AS 'MODULE_PATHNAME', 'pg_freespace'
-LANGUAGE C STRICT;
+LANGUAGE C STRICT PARALLEL SAFE;
-- pg_freespace shows the recorded space avail at each block in a relation
CREATE FUNCTION
@@ -17,7 +17,7 @@ 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;
+LANGUAGE SQL PARALLEL SAFE;
-- Don't want these to be available to public.
diff --git a/contrib/pg_freespacemap/pg_freespacemap.control b/contrib/pg_freespacemap/pg_freespacemap.control
index 34b695ff75a..764db30d18e 100644
--- a/contrib/pg_freespacemap/pg_freespacemap.control
+++ b/contrib/pg_freespacemap/pg_freespacemap.control
@@ -1,5 +1,5 @@
# pg_freespacemap extension
comment = 'examine the free space map (FSM)'
-default_version = '1.0'
+default_version = '1.1'
module_pathname = '$libdir/pg_freespacemap'
relocatable = true
--
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