Fixed version number.

Accidentally, I bumped the version number twice within the same development
cycle.

While fixing that, added a call of the new PG_MODULE_MAGIC_EXT macro.

Author: Antonin Houska

pg_rewrite--1.1--1.2.sql

@@ -3,4 +3,22 @@
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
 \echo Use "ALTER EXTENSION pg_rewrite UPDATE TO '1.2'" to load this file. \quit
 
--- No SQL changes for this upgrade.
+DROP FUNCTION partition_table(text, text, text);
+
+CREATE FUNCTION rewrite_table(
+       src_table	text,
+       dst_table	text,
+       src_table_new	text)
+RETURNS void
+AS 'MODULE_PATHNAME', 'rewrite_table'
+LANGUAGE C
+STRICT;
+
+CREATE FUNCTION rewrite_table_nowait(
+       src_table	text,
+       dst_table	text,
+       src_table_new	text)
+RETURNS void
+AS 'MODULE_PATHNAME', 'rewrite_table_nowait'
+LANGUAGE C
+STRICT;

pg_rewrite--1.2--1.3.sql

@@ -75,7 +75,11 @@
 #include "utils/syscache.h"
 #include "utils/varlena.h"
 
+#ifdef PG_MODULE_MAGIC_EXT
+PG_MODULE_MAGIC_EXT(.name = "pg_rewrite", .version = "1.2");
+#else
 PG_MODULE_MAGIC;
+#endif
 
 #define	REPL_SLOT_BASE_NAME	"pg_rewrite_slot_"
 #define	REPL_PLUGIN_NAME	"pg_rewrite"

pg_rewrite.c

@@ -1,5 +1,5 @@
 # pg_rewrite extension
 comment = 'Tool for maintenance that requires table rewriting.'
-default_version = '1.3'
+default_version = '1.2'
 module_pathname = '$libdir/pg_rewrite'
 relocatable = true