Establish the rule that array types should have the same typdelim as their

element types.  Since the backend doesn't actually pay attention to the array
type's delimiter, this has no functional effect, but it seems better for the
catalog entries to be consistent.  Per gripe from Greg Mullane and subsequent
discussion.

src/backend/commands/typecmds.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.123 2008/08/28 23:09:45 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.124 2008/09/25 03:28:56 tgl Exp $
  *
  * DESCRIPTION
  *	  The "DefineFoo" routines take the parse tree and pick out the
@@ -497,7 +497,7 @@ DefineType(List *names, List *parameters)
 			   TYPTYPE_BASE,	/* type-type (base type) */
 			   TYPCATEGORY_ARRAY, /* type-category (array) */
 			   false,			/* array types are never preferred */
-			   DEFAULT_TYPDELIM,	/* array element delimiter */
+			   delimiter,		/* array element delimiter */
 			   F_ARRAY_IN,		/* input procedure */
 			   F_ARRAY_OUT,		/* output procedure */
 			   F_ARRAY_RECV,	/* receive procedure */

src/include/catalog/catversion.h

@@ -37,7 +37,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.488 2008/09/23 09:20:38 heikki Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.489 2008/09/25 03:28:56 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	200809231
+#define CATALOG_VERSION_NO	200809241
 
 #endif

src/include/catalog/pg_type.h

@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/catalog/pg_type.h,v 1.199 2008/07/30 19:35:13 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/pg_type.h,v 1.200 2008/09/25 03:28:56 tgl Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -446,7 +446,7 @@ DATA(insert OID = 1016 (  _int8		 PGNSP PGUID -1 f b A f t \054 0	20 0 array_in
 DATA(insert OID = 1017 (  _point	 PGNSP PGUID -1 f b A f t \054 0 600 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));
 DATA(insert OID = 1018 (  _lseg		 PGNSP PGUID -1 f b A f t \054 0 601 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));
 DATA(insert OID = 1019 (  _path		 PGNSP PGUID -1 f b A f t \054 0 602 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));
-DATA(insert OID = 1020 (  _box		 PGNSP PGUID -1 f b A f t \054 0 603 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));
+DATA(insert OID = 1020 (  _box		 PGNSP PGUID -1 f b A f t \073 0 603 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));
 DATA(insert OID = 1021 (  _float4	 PGNSP PGUID -1 f b A f t \054 0 700 0 array_in array_out array_recv array_send - - - i x f 0 -1 0 _null_ _null_ ));
 #define FLOAT4ARRAYOID 1021
 DATA(insert OID = 1022 (  _float8	 PGNSP PGUID -1 f b A f t \054 0 701 0 array_in array_out array_recv array_send - - - d x f 0 -1 0 _null_ _null_ ));

src/test/regress/expected/type_sanity.out

@@ -254,6 +254,14 @@ WHERE p1.typelem = p2.oid AND NOT
 -----+---------+-----+---------
 (0 rows)
 
+-- Array types should have same typdelim as their element types
+SELECT p1.oid, p1.typname, p2.oid, p2.typname
+FROM pg_type AS p1, pg_type AS p2
+WHERE p1.typarray = p2.oid AND NOT (p1.typdelim = p2.typdelim);
+ oid | typname | oid | typname 
+-----+---------+-----+---------
+(0 rows)
+
 -- Check for bogus typanalyze routines
 SELECT p1.oid, p1.typname, p2.oid, p2.proname
 FROM pg_type AS p1, pg_proc AS p2

src/test/regress/sql/type_sanity.sql

@@ -196,6 +196,12 @@ FROM pg_type AS p1, pg_type AS p2
 WHERE p1.typelem = p2.oid AND NOT
     (p1.typmodin = p2.typmodin AND p1.typmodout = p2.typmodout);
 
+-- Array types should have same typdelim as their element types
+
+SELECT p1.oid, p1.typname, p2.oid, p2.typname
+FROM pg_type AS p1, pg_type AS p2
+WHERE p1.typarray = p2.oid AND NOT (p1.typdelim = p2.typdelim);
+
 -- Check for bogus typanalyze routines
 
 SELECT p1.oid, p1.typname, p2.oid, p2.proname