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Revert "Revert "Fix divide by zero error"" 

This reverts commit 7f1e621734.
fix-repartition-join-single-node
Jelte Fennema 2020-07-08 11:20:48 +02:00
parent 642dcef3e7
commit d1a6475879
1 changed files with 2 additions and 2 deletions
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4
src/backend/distributed/planner/multi_physical_planner.c
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@ -2107,7 +2107,7 @@ BuildMapMergeJob(Query *jobQuery, List *dependentJobList, Var *partitionKey,
static uint32
HashPartitionCount(void)
{
uint32 groupCount = ActiveReadableWorkerNodeCount();
uint32 groupCount = list_length(ActiveReadableNodeList());
double maxReduceTasksPerNode = MaxRunningTasksPerNode / 2.0;
uint32 partitionCount = (uint32) rint(groupCount * maxReduceTasksPerNode);
@ -5717,7 +5717,7 @@ AssignDualHashTaskList(List *taskList)
* if subsequent jobs have a small number of tasks, we won't allocate the
* tasks to the same worker repeatedly.
*/
List *workerNodeList = ActiveReadableWorkerNodeList();
List *workerNodeList = ActiveReadableNodeList();
uint32 workerNodeCount = (uint32) list_length(workerNodeList);
uint32 beginningNodeIndex = jobId % workerNodeCount;