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https://issues.apache.org/jira/browse/TAJO-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492437#comment-14492437
]
Hudson commented on TAJO-1430:
------------------------------
SUCCESS: Integrated in Tajo-master-build #666 (See
[https://builds.apache.org/job/Tajo-master-build/666/])
TAJO-1430: Improve SQLAnalyzer by session-based parsing-result caching.
(jihoonson: rev 7d720888fd02b44ed18738ac4da36866fac46fa7)
* tajo-common/src/main/java/org/apache/tajo/conf/TajoConf.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/UnaryOperator.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/AlterTable.java
* tajo-core/src/main/java/org/apache/tajo/session/Session.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/ValueListExpr.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/BetweenPredicate.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/Aggregation.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/CreateTable.java
* CHANGES
* tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
* tajo-algebra/src/main/java/org/apache/tajo/algebra/Insert.java
> 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
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Fix For: 0.11.0
>
> Attachments: TAJO-1430.Hyun.150407.0.patch.txt,
> TAJO-1430.Hyun.150407.1.patch.txt, TAJO-1430.Hyun.150413.0.patch.txt,
> TAJO-1430.Hyun.150413.1.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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