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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4737) Use position as column qualifier for APPEND_ONLY_SCHEMA
Date Mon, 14 May 2018 00:40:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor updated PHOENIX-4737:
----------------------------------
    Fix Version/s: 5.0.0
                   4.14.0

> Use position as column qualifier for APPEND_ONLY_SCHEMA
> -------------------------------------------------------
>
>                 Key: PHOENIX-4737
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4737
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: James Taylor
>            Assignee: James Taylor
>            Priority: Major
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4737_v1.patch
>
>
> An easy way to prevent gaps in the column encoding used to define column qualifiers is
to use the position to define the column qualifier. This only works if:
>  * You disallow removes of columns
>  * You disallow adding columns to the base table
> This is pretty easy to enforce and will enable column encoding to be used effectively
when a base table has many views.



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