You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues-all@impala.apache.org by "Tim Armstrong (Jira)" <ji...@apache.org> on 2021/01/09 01:56:00 UTC

[jira] [Resolved] (IMPALA-6320) It may be possible to speed up decimal comparison by counting leading zeros in the underlying data type

     [ https://issues.apache.org/jira/browse/IMPALA-6320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-6320.
-----------------------------------
    Resolution: Later

> It may be possible to speed up decimal comparison by counting leading zeros in the underlying data type
> -------------------------------------------------------------------------------------------------------
>
>                 Key: IMPALA-6320
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6320
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.11.0
>            Reporter: Taras Bobrovytsky
>            Priority: Major
>
> Decimal comparison may be slower than it needs to be because we are using larger datatypes than we need all the time. We should investigate if it's possible to speed up decimal comparison by first checking if the larger data type is needed by counting leading zeros.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-all-unsubscribe@impala.apache.org
For additional commands, e-mail: issues-all-help@impala.apache.org