[jira] [Resolved] (KYLIN-2635) optimize determined case when filters

["Billy Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-2635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu resolved KYLIN-2635.
------------------------------
       Resolution: Fixed
    Fix Version/s: v2.0.0

Commit: https://git1-us-west.apache.org/repos/asf?p=kylin.git;a=commit;h=5d794046

> optimize determined case when filters 
> --------------------------------------
>
>                 Key: KYLIN-2635
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2635
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: hongbin ma
>            Assignee: hongbin ma
>            Priority: Major
>             Fix For: v2.0.0
>
>
> currently calcite will not handle with determined filter like:
> 1. where 1 = 1 => where true
> 2. where ( 1= 1 or x = 2)  => where true
> 3. where case when 'a' = 'a' then x > 1 else x < 1 => where x > 1
> the first two cases have been handled in KYLIN-2539, however the third case is not handled yet. This JIRA is to track the third case.
> In theory, this JIRA together with KYLIN-2539, KYLIN-2597 should be solved in calcite rather than KYLIN. However it's urgent demand so we'll fix in KYLIN first.



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