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Posted to issues@tajo.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/10/05 08:59:27 UTC
[jira] [Commented] (TAJO-1907) Reduce the size of the INDEXES
table's COLUMN_NAMES field
[ https://issues.apache.org/jira/browse/TAJO-1907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942988#comment-14942988 ]
ASF GitHub Bot commented on TAJO-1907:
--------------------------------------
GitHub user jihoonson opened a pull request:
https://github.com/apache/tajo/pull/800
TAJO-1907: Reduce the size of the INDEXES table's COLUMN_NAMES field
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jihoonson/tajo-2 TAJO-1907
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/800.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #800
----
commit d082433c96fea83b6be3b7bd4d73ca7d353766af
Author: Jihoon Son <ji...@apache.org>
Date: 2015-10-05T06:58:59Z
TAJO-1907
----
> Reduce the size of the INDEXES table's COLUMN_NAMES field
> ---------------------------------------------------------
>
> Key: TAJO-1907
> URL: https://issues.apache.org/jira/browse/TAJO-1907
> Project: Tajo
> Issue Type: Task
> Components: Catalog
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Priority: Critical
> Fix For: 0.11.0
>
>
> MySQL InnoDB allows the size of a single column for an index key up to 767 bytes by default. For a TEXT or VARCHAR column, a UTF-8 character set and the maximum of 3 bytes for each character are assumed. So, the current length of COLUMN_NAMES (256) causes an error while starting up occasionally.
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