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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-6913) Hive unable to find the hashtable file during complex multi-staged map join
Date Wed, 16 Apr 2014 11:04:15 GMT


Hive QA commented on HIVE-6913:

{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 5401 tests executed
*Failed tests:*

Test results:
Console output:

Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 3 tests failed

This message is automatically generated.


> Hive unable to find the hashtable file during complex multi-staged map join
> ---------------------------------------------------------------------------
>                 Key: HIVE-6913
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Brock Noland
>            Assignee: Brock Noland
>         Attachments: HIVE-6913.patch
> If a query has multiple mapjoins and one of the tables to be mapjoined is empty, the
query can result in a "no such file or directory" when looking for the hashtable.
> This is because when we generate a dummy hash table, we do not close the TableScan (TS)
operator for that table. Additionally, HashTableSinkOperator (HTSO) outputs it's hash tables
in the closeOp method. However, when close is called on HTSO we check to ensure that all parents
are closed:
> which is not true on this case, because the TS operator for the empty table was never

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