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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15300) Reuse table information in SemanticAnalyzer::getMetaData to reduce compilation time
Date Thu, 25 May 2017 06:16:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024256#comment-16024256
] 

Hive QA commented on HIVE-15300:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12869797/HIVE-15300.5.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 10756 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[index_serde] (batchId=16)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_scalar] (batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr] (batchId=145)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_join30] (batchId=150)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5429/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5429/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5429/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12869797 - PreCommit-HIVE-Build

> Reuse table information in SemanticAnalyzer::getMetaData to reduce compilation time
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-15300
>                 URL: https://issues.apache.org/jira/browse/HIVE-15300
>             Project: Hive
>          Issue Type: Improvement
>          Components: Parser
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HIVE-15300.1.patch, HIVE-15300.2.patch, HIVE-15300.3.patch, HIVE-15300.4.patch,
HIVE-15300.5.patch
>
>
> E.g Q88 in tpc-ds takes lots of time to compile and it ends up getting the table details
for the same table repeatedly. It took 20+seconds to compile the query.
> It would be good to reuse the table information in SemanticAnalyzer::getMetadata.



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