Description
For a given job, one task may reuse other task's object cache (plan cache) such as MapJoinOperator. This is fine. But if we have some dirty states left over, it may cause issue like wrong results.
For a given job, one task may reuse other task's object cache (plan cache) such as MapJoinOperator. This is fine. But if we have some dirty states left over, it may cause issue like wrong results.