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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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75
src/backend/commands/aggregatecmds.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/aggregatecmds.c,v 1.7 2003/06/25 21:30:26 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/aggregatecmds.c,v 1.8 2003/06/27 14:45:27 petere Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@ -25,6 +25,7 @@
#include "access/heapam.h"
#include "catalog/catname.h"
#include "catalog/dependency.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/pg_aggregate.h"
#include "catalog/pg_proc.h"
@ -193,3 +194,75 @@ RemoveAggregate(RemoveAggrStmt *stmt)
performDeletion(&object, stmt->behavior);
}
void
RenameAggregate(List *name, TypeName *basetype, const char *newname)
{
Oid basetypeOid;
Oid procOid;
Oid namespaceOid;
Oid oid_array[FUNC_MAX_ARGS];
HeapTuple tup;
Relation rel;
AclResult aclresult;
/*
* if a basetype is passed in, then attempt to find an aggregate for
* that specific type.
*
* else attempt to find an aggregate with a basetype of ANYOID. This
* means that the aggregate is to apply to all basetypes (eg, COUNT).
*/
if (basetype)
basetypeOid = typenameTypeId(basetype);
else
basetypeOid = ANYOID;
rel = heap_openr(ProcedureRelationName, RowExclusiveLock);
procOid = find_aggregate_func("RenameAggregate", name, basetypeOid);
tup = SearchSysCacheCopy(PROCOID,
ObjectIdGetDatum(procOid),
0, 0, 0);
if (!HeapTupleIsValid(tup)) /* should not happen */
elog(ERROR, "RenameAggregate: couldn't find pg_proc tuple for %s",
NameListToString(name));
namespaceOid = ((Form_pg_proc) GETSTRUCT(tup))->pronamespace;
/* make sure the new name doesn't exist */
MemSet(oid_array, 0, sizeof(oid_array));
oid_array[0] = basetypeOid;
if (SearchSysCacheExists(PROCNAMENSP,
CStringGetDatum(newname),
Int16GetDatum(1),
PointerGetDatum(oid_array),
ObjectIdGetDatum(namespaceOid)))
{
if (basetypeOid == ANYOID)
elog(ERROR, "function %s(*) already exists in schema %s",
newname, get_namespace_name(namespaceOid));
else
elog(ERROR, "function %s(%s) already exists in schema %s",
newname, format_type_be(basetypeOid), get_namespace_name(namespaceOid));
}
/* must be owner */
if (!pg_proc_ownercheck(procOid, 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_proc) GETSTRUCT(tup))->proname), newname);
simple_heap_update(rel, &tup->t_self, tup);
CatalogUpdateIndexes(rel, tup);
heap_close(rel, NoLock);
heap_freetuple(tup);
}