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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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60
src/backend/commands/schemacmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/schemacmds.c,v 1.9 2003/05/06 20:26:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/schemacmds.c,v 1.10 2003/06/27 14:45:27 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -18,8 +18,10 @@
#include "catalog/catalog.h"
#include "catalog/catname.h"
#include "catalog/dependency.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/pg_namespace.h"
#include "commands/dbcommands.h"
#include "commands/schemacmds.h"
#include "miscadmin.h"
#include "parser/analyze.h"
@ -86,7 +88,7 @@ CreateSchemaCommand(CreateSchemaStmt *stmt)
*/
aclresult = pg_database_aclcheck(MyDatabaseId, saved_userid, ACL_CREATE);
if (aclresult != ACLCHECK_OK)
aclcheck_error(aclresult, DatabaseName);
aclcheck_error(aclresult, get_database_name(MyDatabaseId));
if (!allowSystemTableMods && IsReservedName(schemaName))
elog(ERROR, "CREATE SCHEMA: Illegal schema name: \"%s\" -- pg_ is reserved for system schemas",
@ -212,3 +214,57 @@ RemoveSchemaById(Oid schemaOid)
heap_close(relation, RowExclusiveLock);
}
/*
* Rename schema
*/
void
RenameSchema(const char *oldname, const char *newname)
{
HeapTuple tup;
Relation rel;
AclResult aclresult;
rel = heap_openr(NamespaceRelationName, RowExclusiveLock);
tup = SearchSysCacheCopy(NAMESPACENAME,
CStringGetDatum(oldname),
0, 0, 0);
if (!HeapTupleIsValid(tup))
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION),
errmsg("schema \"%s\" does not exist", oldname)));
/* make sure the new name doesn't exist */
if (HeapTupleIsValid(
SearchSysCache(NAMESPACENAME,
CStringGetDatum(newname),
0, 0, 0)))
{
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION),
errmsg("schema \"%s\" already exists", newname)));
}
/* must be owner */
if (!pg_namespace_ownercheck(HeapTupleGetOid(tup), GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, oldname);
/* must have CREATE privilege on database */
aclresult = pg_database_aclcheck(MyDatabaseId, GetUserId(), ACL_CREATE);
if (aclresult != ACLCHECK_OK)
aclcheck_error(aclresult, get_database_name(MyDatabaseId));
if (!allowSystemTableMods && IsReservedName(newname))
elog(ERROR, "illegal schema name: \"%s\" -- pg_ is reserved for system schemas",
newname);
/* rename */
namestrcpy(&(((Form_pg_namespace) GETSTRUCT(tup))->nspname), newname);
simple_heap_update(rel, &tup->t_self, tup);
CatalogUpdateIndexes(rel, tup);
heap_close(rel, NoLock);
heap_freetuple(tup);
}