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Posted to issues@kudu.apache.org by "Will Berkeley (JIRA)" <ji...@apache.org> on 2016/06/08 19:02:21 UTC

[jira] [Assigned] (KUDU-1446) Consider data types in predicate evaluation order

     [ https://issues.apache.org/jira/browse/KUDU-1446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Will Berkeley reassigned KUDU-1446:
-----------------------------------

    Assignee: Will Berkeley

> Consider data types in predicate evaluation order
> -------------------------------------------------
>
>                 Key: KUDU-1446
>                 URL: https://issues.apache.org/jira/browse/KUDU-1446
>             Project: Kudu
>          Issue Type: Improvement
>          Components: perf
>    Affects Versions: 0.8.0
>            Reporter: Todd Lipcon
>            Assignee: Will Berkeley
>            Priority: Minor
>
> Currently, we determine what order to apply predicates only based on the type of comparison (equality vs range). Within a category, we should also use the data type -- evaluating predicates on smaller columns is more efficient so should be preferably done first.



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