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From "Jihoon Son (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TAJO-1907) Reduce the size of the INDEXES table's COLUMN_NAMES field
Date Mon, 05 Oct 2015 06:57:26 GMT

     [ 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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