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Add new postgres -O option to allow system table structure changes.

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This commit is contained in:
Bruce Momjian
1999-03-17 22:53:31 +00:00
parent 62a7754e1a
commit 58118db39d
14 changed files with 57 additions and 71 deletions
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5
src/backend/catalog/aclchk.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.19 1999/02/13 23:14:54 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.20 1999/03/17 22:52:47 momjian Exp $
*
* NOTES
* See acl.h.
@@ -38,6 +38,7 @@
#include "utils/memutils.h"
#include "utils/syscache.h"
#include "utils/tqual.h"
#include "miscadmin.h"
static int32 aclcheck(char *relname, Acl *acl, AclId id, AclIdType idtype, AclMode mode);
@@ -398,7 +399,7 @@ pg_aclcheck(char *relname, char *usename, AclMode mode)
* themselves from themselves.)
*/
if (((mode & ACL_WR) || (mode & ACL_AP)) &&
IsSystemRelationName(relname) &&
!allowSystemTableMods && IsSystemRelationName(relname) &&
!((Form_pg_shadow) GETSTRUCT(tuple))->usecatupd)
{
elog(DEBUG, "pg_aclcheck: catalog update to \"%s\": permission denied",

7
src/backend/catalog/heap.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.75 1999/02/23 07:54:03 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.76 1999/03/17 22:52:48 momjian Exp $
*
*
* INTERFACE ROUTINES
@@ -195,7 +195,7 @@ heap_create(char *relname,
*/
AssertArg(natts > 0);
if (relname && IsSystemRelationName(relname) && IsNormalProcessingMode())
if (relname && !allowSystemTableMods && IsSystemRelationName(relname) && IsNormalProcessingMode())
{
elog(ERROR, "Illegal class name '%s'"
"\n\tThe 'pg_' name prefix is reserved for system catalogs",
@@ -1260,7 +1260,8 @@ heap_destroy_with_catalog(char *relname)
* ----------------
*/
/* allow temp of pg_class? Guess so. */
if (!istemp && IsSystemRelationName(RelationGetRelationName(rel)->data))
if (!istemp &&
!allowSystemTableMods && IsSystemRelationName(RelationGetRelationName(rel)->data))
elog(ERROR, "System relation '%s' cannot be destroyed",
&rel->rd_rel->relname);