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Merge pull request #1895 from citusdata/no_shard_locks_for_ddls 

Get shard resource locks for only DMLs
pull/1899/merge
Metin Döşlü 2017-12-22 10:57:20 +03:00 committed by GitHub
parent a9cf0c3e66 32b7e152a3
commit 3aee73674b
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1 changed files with 9 additions and 2 deletions
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11
src/backend/distributed/executor/multi_router_executor.c
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@ -1063,8 +1063,15 @@ ExecuteModifyTasks(List *taskList, bool expectResults, ParamListInfo paramListIn
LockPartitionRelations(firstShardInterval->relationId, RowExclusiveLock);
}
/* ensure that there are no concurrent modifications on the same shards */
AcquireExecutorMultiShardLocks(taskList);
/*
* Ensure that there are no concurrent modifications on the same
* shards. For DDL commands, we already obtained the appropriate
* locks in ProcessUtility.
*/
if (firstTask->taskType == MODIFY_TASK)
{
AcquireExecutorMultiShardLocks(taskList);
}
BeginOrContinueCoordinatedTransaction();