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First batch of object rename commands.

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This commit is contained in:
Peter Eisentraut
2003-06-27 14:45:32 +00:00
parent 5bac7d11dd
commit b256f24264
60 changed files with 2018 additions and 442 deletions
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62
src/backend/commands/conversioncmds.c
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@ -8,14 +8,17 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/conversioncmds.c,v 1.5 2002/11/02 02:33:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/conversioncmds.c,v 1.6 2003/06/27 14:45:27 petere Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "catalog/pg_conversion.h"
#include "access/heapam.h"
#include "catalog/catalog.h"
#include "catalog/catname.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/pg_type.h"
#include "mb/pg_wchar.h"
@ -23,7 +26,9 @@
#include "miscadmin.h"
#include "parser/parse_func.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/syscache.h"
/*
@ -98,3 +103,58 @@ DropConversionCommand(List *name, DropBehavior behavior)
ConversionDrop(conversionOid, behavior);
}
/*
* Rename conversion
*/
void
RenameConversion(List *name, const char *newname)
{
Oid conversionOid;
Oid namespaceOid;
HeapTuple tup;
Relation rel;
AclResult aclresult;
rel = heap_openr(ConversionRelationName, RowExclusiveLock);
conversionOid = FindConversionByName(name);
if (!OidIsValid(conversionOid))
elog(ERROR, "conversion %s not found", NameListToString(name));
tup = SearchSysCacheCopy(CONOID,
ObjectIdGetDatum(conversionOid),
0, 0, 0);
if (!HeapTupleIsValid(tup)) /* should not happen */
elog(ERROR, "couldn't find pg_conversion tuple for %s",
NameListToString(name));
namespaceOid = ((Form_pg_conversion) GETSTRUCT(tup))->connamespace;
/* make sure the new name doesn't exist */
if (SearchSysCacheExists(CONNAMENSP,
CStringGetDatum(newname),
ObjectIdGetDatum(namespaceOid),
0, 0))
{
elog(ERROR, "conversion %s already exists in schema %s",
newname, get_namespace_name(namespaceOid));
}
/* must be owner */
if (!superuser() && ((Form_pg_conversion) GETSTRUCT(tup))->conowner != GetUserId())
aclcheck_error(ACLCHECK_NOT_OWNER, NameListToString(name));
/* must have CREATE privilege on namespace */
aclresult = pg_namespace_aclcheck(namespaceOid, GetUserId(), ACL_CREATE);
if (aclresult != ACLCHECK_OK)
aclcheck_error(aclresult, get_namespace_name(namespaceOid));
/* rename */
namestrcpy(&(((Form_pg_conversion) GETSTRUCT(tup))->conname), newname);
simple_heap_update(rel, &tup->t_self, tup);
CatalogUpdateIndexes(rel, tup);
heap_close(rel, NoLock);
heap_freetuple(tup);
}