Allow REASSIGNED OWNED to handle opclasses and opfamilies.

Backpatch to 8.3, which is as far back as we have opfamilies.
The opclass portion could probably be backpatched to 8.2, when
REASSIGN OWNED was added, but for now I have not done that.

Asko Tiidumaa, with minor adjustments by me.

src/backend/catalog/pg_shdepend.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.41 2010/04/05 01:09:52 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.42 2010/07/03 13:53:13 rhaas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -28,6 +28,8 @@
 #include "catalog/pg_largeobject.h"
 #include "catalog/pg_namespace.h"
 #include "catalog/pg_operator.h"
+#include "catalog/pg_opclass.h"
+#include "catalog/pg_opfamily.h"
 #include "catalog/pg_proc.h"
 #include "catalog/pg_shdepend.h"
 #include "catalog/pg_tablespace.h"
@@ -1367,6 +1369,14 @@ shdepReassignOwned(List *roleids, Oid newrole)
 					 */
 					break;
 
+				case OperatorClassRelationId:
+					AlterOpClassOwner_oid(sdepForm->objid, newrole);
+					break;
+
+				case OperatorFamilyRelationId:
+					AlterOpFamilyOwner_oid(sdepForm->objid, newrole);
+					break;
+
 				default:
 					elog(ERROR, "unexpected classid %u", sdepForm->classid);
 					break;

src/backend/commands/opclasscmds.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.66 2010/02/14 18:42:14 rhaas Exp $
+ *	  $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.67 2010/07/03 13:53:13 rhaas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1948,6 +1948,27 @@ AlterOpClassOwner(List *name, const char *access_method, Oid newOwnerId)
 	heap_close(rel, NoLock);
 }
 
+/*
+ * Change operator class owner, specified by OID
+ */
+void
+AlterOpClassOwner_oid(Oid opclassOid, Oid newOwnerId)
+{
+	HeapTuple       tup;
+	Relation        rel;
+
+	rel = heap_open(OperatorClassRelationId, RowExclusiveLock);
+
+	tup = SearchSysCacheCopy1(CLAOID, ObjectIdGetDatum(opclassOid));
+	if (!HeapTupleIsValid(tup))
+		elog(ERROR, "cache lookup failed for opclass %u", opclassOid);
+
+	AlterOpClassOwner_internal(rel, tup, newOwnerId);
+
+	heap_freetuple(tup);
+	heap_close(rel, NoLock);
+}
+
 /*
  * The first parameter is pg_opclass, opened and suitably locked.  The second
  * parameter is a copy of the tuple from pg_opclass we want to modify.
@@ -2070,6 +2091,27 @@ AlterOpFamilyOwner(List *name, const char *access_method, Oid newOwnerId)
 	heap_close(rel, NoLock);
 }
 
+/*
+ * Change operator family owner, specified by OID
+ */
+void
+AlterOpFamilyOwner_oid(Oid opfamilyOid, Oid newOwnerId)
+{
+	HeapTuple       tup;
+	Relation        rel;
+
+	rel = heap_open(OperatorFamilyRelationId, RowExclusiveLock);
+
+	tup = SearchSysCacheCopy1(OPFAMILYOID, ObjectIdGetDatum(opfamilyOid));
+	if (!HeapTupleIsValid(tup))
+		elog(ERROR, "cache lookup failed for opfamily %u", opfamilyOid);
+
+	AlterOpFamilyOwner_internal(rel, tup, newOwnerId);
+
+	heap_freetuple(tup);
+	heap_close(rel, NoLock);
+}
+
 /*
  * The first parameter is pg_opfamily, opened and suitably locked.	The second
  * parameter is a copy of the tuple from pg_opfamily we want to modify.

src/include/commands/defrem.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/commands/defrem.h,v 1.101 2010/02/26 02:01:24 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/commands/defrem.h,v 1.102 2010/07/03 13:53:13 rhaas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -96,7 +96,9 @@ extern void RemoveAmProcEntryById(Oid entryOid);
 extern void RenameOpClass(List *name, const char *access_method, const char *newname);
 extern void RenameOpFamily(List *name, const char *access_method, const char *newname);
 extern void AlterOpClassOwner(List *name, const char *access_method, Oid newOwnerId);
+extern void AlterOpClassOwner_oid(Oid opclassOid, Oid newOwnerId);
 extern void AlterOpFamilyOwner(List *name, const char *access_method, Oid newOwnerId);
+extern void AlterOpFamilyOwner_oid(Oid opfamilyOid, Oid newOwnerId);
 
 /* commands/tsearchcmds.c */
 extern void DefineTSParser(List *names, List *parameters);