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Posted to issues-all@impala.apache.org by "Alex Rodoni (JIRA)" <ji...@apache.org> on 2018/07/23 21:53:00 UTC

[jira] [Work started] (IMPALA-7291) [DOCS] Document recommendation to use VARCHAR or STRING instead of CHAR(N)

     [ https://issues.apache.org/jira/browse/IMPALA-7291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on IMPALA-7291 started by Alex Rodoni.
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> [DOCS] Document recommendation to use VARCHAR or STRING instead of CHAR(N)
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-7291
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7291
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Docs
>    Affects Versions: Impala 2.12.0
>            Reporter: Balazs Jeszenszky
>            Assignee: Alex Rodoni
>            Priority: Major
>
> CHAR(N) currently does not have codegen support. For that reason, we should recommend customers to use VARCHAR or STRING instead - the gain of codegen outweighs the benefits of fixed width CHARs.



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