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Fix dangling pointer warning in AnyTableReplicated (#6504) 

DESCRIPTION: Fixes a potential dangling pointer issue

Need to backport to 11.0 & 11.1 since we might want to release packages
for debian/bookworm based on those branches in future.
pull/6511/head
Onur Tirtir 2022-11-21 16:42:00 +03:00 committed by GitHub
parent a477ffdf4b
commit 80faf47ab5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 13 deletions
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24
src/backend/distributed/utils/resource_lock.c
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@ -781,14 +781,7 @@ SerializeNonCommutativeWrites(List *shardIntervalList, LOCKMODE lockMode)
static bool
AnyTableReplicated(List *shardIntervalList, List **replicatedShardIntervalList)
{
if (replicatedShardIntervalList == NULL)
{
/* the caller is not interested in the replicatedShardIntervalList */
List *localList = NIL;
replicatedShardIntervalList = &localList;
}
*replicatedShardIntervalList = NIL;
List *localList = NIL;
ShardInterval *shardInterval = NULL;
foreach_ptr(shardInterval, shardIntervalList)
@ -798,17 +791,22 @@ AnyTableReplicated(List *shardIntervalList, List **replicatedShardIntervalList)
Oid relationId = RelationIdForShard(shardId);
if (ReferenceTableShardId(shardId))
{
*replicatedShardIntervalList =
lappend(*replicatedShardIntervalList, LoadShardInterval(shardId));
localList =
lappend(localList, LoadShardInterval(shardId));
}
else if (!SingleReplicatedTable(relationId))
{
*replicatedShardIntervalList =
lappend(*replicatedShardIntervalList, LoadShardInterval(shardId));
localList =
lappend(localList, LoadShardInterval(shardId));
}
}
return list_length(*replicatedShardIntervalList) > 0;
if (replicatedShardIntervalList != NULL)
{
*replicatedShardIntervalList = localList;
}
return list_length(localList) > 0;
}