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Prevent empty placement creation in the coordinator

pull/4409/head
naisila 2020-12-11 22:35:45 +03:00
parent 00bd784783
commit 5234caecca
1 changed files with 8 additions and 0 deletions
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8
src/backend/distributed/operations/stage_protocol.c
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@ -411,6 +411,14 @@ CreateAppendDistributedShardPlacements(Oid relationId, int64 shardId,
{
int workerNodeIndex = attemptNumber % workerNodeCount;
WorkerNode *workerNode = (WorkerNode *) list_nth(workerNodeList, workerNodeIndex);
if (NodeIsCoordinator(workerNode))
{
ereport(NOTICE, (errmsg(
"Creating placements for the append partitioned tables on the coordinator is not allowed.")));
continue;
}
uint32 nodeGroupId = workerNode->groupId;
char *nodeName = workerNode->workerName;
uint32 nodePort = workerNode->workerPort;