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Posted to issues@kylin.apache.org by "Billy Liu (JIRA)" <ji...@apache.org> on 2016/12/11 14:44:58 UTC

[jira] [Updated] (KYLIN-2031) New Fix_length_Hex encoding to support hash value and better Integer encoding to support negative value

     [ https://issues.apache.org/jira/browse/KYLIN-2031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu updated KYLIN-2031:
-----------------------------
    Summary: New Fix_length_Hex encoding to support hash value and better Integer encoding to support negative value  (was: some more DimensionEncoding)

> New Fix_length_Hex encoding to support hash value and better Integer encoding to support negative value
> -------------------------------------------------------------------------------------------------------
>
>                 Key: KYLIN-2031
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2031
>             Project: Kylin
>          Issue Type: New Feature
>            Reporter: hongbin ma
>            Assignee: hongbin ma
>             Fix For: v1.6.1
>
>
> 1. for some use cases string value represent hash code is used. The string only consist of [0~9A~F] (hex values), so two characters can be squashed into one byte
> 2. The current IntegerDimEnc does not support negative values, need another IntegerDimEnc that supports negative values



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