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Rename RemoveCoordinatorPlacement (#4125) 

RemoveCoordinatorPlacement does not do what it says. It removes the
coordinator placement only if there are other placements, so it is not a
single node, and only if the coordinator has a placement.
pull/4122/head
SaitTalhaNisanci 2020-08-26 13:12:10 +03:00 committed by GitHub
parent 2ca8d2fb33
commit f7c2af0411
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1 changed files with 6 additions and 6 deletions
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12
src/backend/distributed/planner/multi_router_planner.c
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@ -164,7 +164,7 @@ static List * SingleShardTaskList(Query *query, uint64 jobId,
List *relationShardList, List *placementList,
uint64 shardId, bool parametersInQueryResolved);
static bool RowLocksOnRelations(Node *node, List **rtiLockList);
static List * RemoveCoordinatorPlacement(List *placementList);
static List * RemoveCoordinatorPlacementIfNotSingleNode(List *placementList);
static void ReorderTaskPlacementsByTaskAssignmentPolicy(Job *job,
TaskAssignmentPolicyType
taskAssignmentPolicy,
@ -1814,7 +1814,7 @@ ReorderTaskPlacementsByTaskAssignmentPolicy(Job *job,
* connect to the worker nodes.
*/
Assert(ReadOnlyTask(task->taskType));
placementList = RemoveCoordinatorPlacement(placementList);
placementList = RemoveCoordinatorPlacementIfNotSingleNode(placementList);
/* reorder the placement list */
List *reorderedPlacementList = RoundRobinReorder(placementList);
@ -1830,14 +1830,14 @@ ReorderTaskPlacementsByTaskAssignmentPolicy(Job *job,
/*
* RemoveCoordinatorPlacement gets a task placement list and returns the list
* RemoveCoordinatorPlacementIfNotSingleNode gets a task placement list and returns the list
* by removing the placement belonging to the coordinator (if any).
*
* If the list has a single entry or no placements on the coordinator, the list
* is return unmodified.
* If the list has a single element or no placements on the coordinator, the list
* returned is unmodified.
*/
static List *
RemoveCoordinatorPlacement(List *placementList)
RemoveCoordinatorPlacementIfNotSingleNode(List *placementList)
{
ListCell *placementCell = NULL;