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Fix REASSIGN OWNED so that it works on procedural languages too.

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The capability for changing language owners is new in 8.3, so that's how
far back this needs to be backpatched.

Per bug #4132 by Kirill Simonov.
This commit is contained in:
Alvaro Herrera 2008-04-29 19:37:13 +00:00
parent 8209e1a987
commit 6750c7a751
3 changed files with 51 additions and 6 deletions
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7
src/backend/catalog/pg_shdepend.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.23.2.1 2008/03/24 19:12:58 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.23.2.2 2008/04/29 19:37:13 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -32,6 +32,7 @@
#include "catalog/pg_type.h"
#include "commands/conversioncmds.h"
#include "commands/defrem.h"
#include "commands/proclang.h"
#include "commands/schemacmds.h"
#include "commands/tablecmds.h"
#include "commands/typecmds.h"
@ -1342,6 +1343,10 @@ shdepReassignOwned(List *roleids, Oid newrole)
AlterFunctionOwner_oid(sdepForm->objid, newrole);
break;
case LanguageRelationId:
AlterLanguageOwner_oid(sdepForm->objid, newrole);
break;
default:
elog(ERROR, "unexpected classid %d", sdepForm->classid);
break;

49
src/backend/commands/proclang.c
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.74 2008/01/01 19:45:49 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.74.2.1 2008/04/29 19:37:13 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -48,6 +48,8 @@ typedef struct
static void create_proc_lang(const char *languageName,
Oid languageOwner, Oid handlerOid, Oid valOid, bool trusted);
static PLTemplate *find_language_template(const char *languageName);
static void AlterLanguageOwner_internal(HeapTuple tup, Relation rel,
Oid newOwnerId);
/* ---------------------------------------------------------------------
@ -529,7 +531,6 @@ AlterLanguageOwner(const char *name, Oid newOwnerId)
{
HeapTuple tup;
Relation rel;
Form_pg_language lanForm;
/* Translate name for consistency with CREATE */
name = case_translate_language_name(name);
@ -543,6 +544,47 @@ AlterLanguageOwner(const char *name, Oid newOwnerId)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("language \"%s\" does not exist", name)));
AlterLanguageOwner_internal(tup, rel, newOwnerId);
ReleaseSysCache(tup);
heap_close(rel, RowExclusiveLock);
}
/*
* Change language owner, specified by OID
*/
void
AlterLanguageOwner_oid(Oid oid, Oid newOwnerId)
{
HeapTuple tup;
Relation rel;
rel = heap_open(LanguageRelationId, RowExclusiveLock);
tup = SearchSysCache(LANGOID,
ObjectIdGetDatum(oid),
0, 0, 0);
if (!HeapTupleIsValid(tup))
elog(ERROR, "cache lookup failed for language %u", oid);
AlterLanguageOwner_internal(tup, rel, newOwnerId);
ReleaseSysCache(tup);
heap_close(rel, RowExclusiveLock);
}
/*
* Workhorse for AlterLanguageOwner variants
*/
static void
AlterLanguageOwner_internal(HeapTuple tup, Relation rel, Oid newOwnerId)
{
Form_pg_language lanForm;
lanForm = (Form_pg_language) GETSTRUCT(tup);
/*
@ -600,7 +642,4 @@ AlterLanguageOwner(const char *name, Oid newOwnerId)
changeDependencyOnOwner(LanguageRelationId, HeapTupleGetOid(tup),
newOwnerId);
}
ReleaseSysCache(tup);
heap_close(rel, RowExclusiveLock);
}

1
src/include/commands/proclang.h
View File

@ -16,6 +16,7 @@ extern void DropProceduralLanguage(DropPLangStmt *stmt);
extern void DropProceduralLanguageById(Oid langOid);
extern void RenameLanguage(const char *oldname, const char *newname);
extern void AlterLanguageOwner(const char *name, Oid newOwnerId);
extern void AlterLanguageOwner_oid(Oid oid, Oid newOwnerId);
extern bool PLTemplateExists(const char *languageName);
#endif /* PROCLANG_H */