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Refactor ownercheck functions

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Instead of dozens of mostly-duplicate pg_foo_ownercheck() functions,
write one common function object_ownercheck() that can handle almost
all of them.  We already have all the information we need, such as
which system catalog corresponds to which catalog table and which
column is the owner column.

Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Reviewed-by: Antonin Houska <ah@cybertec.at>
Discussion: https://www.postgresql.org/message-id/flat/95c30f96-4060-2f48-98b5-a4392d3b6066@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-11-13 08:11:17 +01:00
parent b4b7ce8061
commit afbfc02983
37 changed files with 194 additions and 817 deletions
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9
src/backend/commands/cluster.c
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@@ -34,6 +34,7 @@
#include "catalog/objectaccess.h"
#include "catalog/partition.h"
#include "catalog/pg_am.h"
#include "catalog/pg_database.h"
#include "catalog/pg_inherits.h"
#include "catalog/toasting.h"
#include "commands/cluster.h"
@@ -364,7 +365,7 @@ cluster_rel(Oid tableOid, Oid indexOid, ClusterParams *params)
if (recheck)
{
/* Check that the user still owns the relation */
if (!pg_class_ownercheck(tableOid, save_userid))
if (!object_ownercheck(RelationRelationId, tableOid, save_userid))
{
relation_close(OldHeap, AccessExclusiveLock);
goto out;
@@ -1641,7 +1642,7 @@ get_tables_to_cluster(MemoryContext cluster_context)
index = (Form_pg_index) GETSTRUCT(indexTuple);
if (!pg_class_ownercheck(index->indrelid, GetUserId()))
if (!object_ownercheck(RelationRelationId, index->indrelid, GetUserId()))
continue;
/* Use a permanent memory context for the result list */
@@ -1690,8 +1691,8 @@ get_tables_to_cluster_partitioned(MemoryContext cluster_context, Oid indexOid)
continue;
/* Silently skip partitions which the user has no access to. */
if (!pg_class_ownercheck(relid, GetUserId()) &&
(!pg_database_ownercheck(MyDatabaseId, GetUserId()) ||
if (!object_ownercheck(RelationRelationId, relid, GetUserId()) &&
(!object_ownercheck(DatabaseRelationId, MyDatabaseId, GetUserId()) ||
IsSharedRelation(relid)))
continue;