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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-7090) Support session-level temporary tables in Hive
Date Tue, 08 Jul 2014 03:24:34 GMT


Hive QA commented on HIVE-7090:

{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 2 failed/errored test(s), 5703 tests executed
*Failed tests:*

Test results:
Console output:
Test logs:

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: 2 tests failed

This message is automatically generated.


> Support session-level temporary tables in Hive
> ----------------------------------------------
>                 Key: HIVE-7090
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Gunther Hagleitner
>            Assignee: Jason Dere
>         Attachments: HIVE-7090.1.patch, HIVE-7090.2.patch, HIVE-7090.3.patch, HIVE-7090.4.patch,
HIVE-7090.5.patch, HIVE-7090.6.patch, HIVE-7090.7.patch, HIVE-7090.8.patch
> It's common to see sql scripts that create some temporary table as an intermediate result,
run some additional queries against it and then clean up at the end.
> We should support temporary tables properly, meaning automatically manage the life cycle
and make sure the visibility is restricted to the creating connection/session. Without these
it's common to see left over tables in meta-store or weird errors with clashing tmp table
> Proposed syntax:
> CTAS, CTL, INSERT INTO, should all be supported as usual.
> Knowing that a user wants a temp table can enable us to further optimize access to it.
E.g.: temp tables should be kept in memory where possible, compactions and merging table files
aren't required, ...

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