ALTER LANGUAGE RENAME has never worked. Per Sergey Yatskevich.

diff --git a/src/backend/commands/proclang.c b/src/backend/commands/proclang.c
index d1929d0b32efbfe755aa949177bc3b4e8bab398d..c440fc38208428b4012732e2f43844e10f8d0992 100644 (file)
--- a/src/backend/commands/proclang.c
+++ b/src/backend/commands/proclang.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.56 2004/12/31 21:59:41 pgsql Exp $
+ *       $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.57 2005/02/14 06:17:44 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -246,7 +246,7 @@ RenameLanguage(const char *oldname, const char *newname)
        HeapTuple       tup;
        Relation        rel;
 
-       rel = heap_openr(ShadowRelationName, RowExclusiveLock);
+       rel = heap_openr(LanguageRelationName, RowExclusiveLock);
 
        tup = SearchSysCacheCopy(LANGNAME,
                                                         CStringGetDatum(oldname),