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https://issues.apache.org/jira/browse/TAJO-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14482684#comment-14482684
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ASF GitHub Bot commented on TAJO-1430:
--------------------------------------
Github user dongjoon-hyun commented on the pull request:
https://github.com/apache/tajo/pull/442#issuecomment-90395916
Hmm. Let me check for a second. I found the following Jenkins logs.
```
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-TAJO-Build/incubator-tajo/tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java:[160,13]
setQueryCache(com.google.common.cache.LoadingCache<java.lang.String,org.apache.tajo.algebra.Expr>)
in org.apache.tajo.session.Session cannot be applied to
(com.google.common.cache.LoadingCache<java.lang.Object,org.apache.tajo.algebra.Expr>)
[INFO] 1 error
```
> Improve SQLAnalyzer by session-based parsing-result caching
> -----------------------------------------------------------
>
> Key: TAJO-1430
> URL: https://issues.apache.org/jira/browse/TAJO-1430
> Project: Tajo
> Issue Type: New Feature
> Components: parser
> Affects Versions: 0.10.0
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Fix For: 0.10.1
>
> Attachments: TAJO-1430.Hyun.150407.0.patch.txt, TAJO-1430.patch,
> long_2times.sql, wide_table.sql
>
>
> There are wide tables with many many columns. Moveover, BI tools generate
> very complex queries whose size is several MB. Although Tajo executes those
> queries very fast in a few seconds, the total time of UX is slow.
> To become a fastest Hadoop DW, we need this following feature.
> {code:sql}
> tsql -f long_2times.sql
> ...
> (0 rows, 30.641 sec, 0 B selected)
> ...
> (0 rows, 1.707 sec, 0 B selected)
> {code}
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