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Error message editing in backend/libpq, backend/postmaster, backend/tcop.

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Along the way, fix some logic problems in pgstat_initstats, notably the
bogus assumption that malloc returns zeroed memory.
This commit is contained in:
Tom Lane
2003-07-22 19:00:12 +00:00
parent 277dbb0c34
commit b05d3ae1ed
21 changed files with 1254 additions and 815 deletions
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35
src/backend/commands/alter.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/alter.c,v 1.2 2003/07/20 21:56:32 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/alter.c,v 1.3 2003/07/22 19:00:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -29,41 +29,12 @@
#include "commands/user.h"
#include "miscadmin.h"
#include "parser/parse_clause.h"
#include "tcop/utility.h"
#include "utils/acl.h"
#include "utils/lsyscache.h"
#include "utils/syscache.h"
static void
CheckOwnership(RangeVar *rel, bool noCatalogs)
{
Oid relOid;
HeapTuple tuple;
relOid = RangeVarGetRelid(rel, false);
tuple = SearchSysCache(RELOID,
ObjectIdGetDatum(relOid),
0, 0, 0);
if (!HeapTupleIsValid(tuple)) /* should not happen */
elog(ERROR, "cache lookup failed for relation %u", relOid);
if (!pg_class_ownercheck(relOid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, rel->relname);
if (noCatalogs)
{
if (!allowSystemTableMods &&
IsSystemClass((Form_pg_class) GETSTRUCT(tuple)))
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("relation \"%s\" is a system catalog",
rel->relname)));
}
ReleaseSysCache(tuple);
}
void
ExecRenameStmt(RenameStmt *stmt)
{
@ -111,7 +82,7 @@ ExecRenameStmt(RenameStmt *stmt)
{
Oid relid;
CheckOwnership(stmt->relation, true);
CheckRelationOwnership(stmt->relation, true);
relid = RangeVarGetRelid(stmt->relation, false);