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Posted to issues@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2015/10/05 08:57:26 UTC

[jira] [Updated] (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:all-tabpanel ]

Jihoon Son updated TAJO-1907:
-----------------------------
    Priority: Critical  (was: Major)

> 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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