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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3943) CannotPlanException caused by ExpressionReductionRule
Date Fri, 16 Oct 2015 07:22:06 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960303#comment-14960303
] 

Sean Hsuan-Yi Chu commented on DRILL-3943:
------------------------------------------

[~jaltekruse] Can you help review? Thanks!

> CannotPlanException caused by ExpressionReductionRule
> -----------------------------------------------------
>
>                 Key: DRILL-3943
>                 URL: https://issues.apache.org/jira/browse/DRILL-3943
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Sean Hsuan-Yi Chu
>            Assignee: Jason Altekruse
>             Fix For: 1.3.0
>
>
> For a query such as:
> {code}
> SELECT count(DISTINCT employee_id) as col1,
> count((to_number(date_diff(now(), cast(birth_date AS date)),'####'))) as col2
> FROM cp.`employee.json`
> {code}
> cannot plan exception will be thrown because ExpressionReductionRule does not properly
simply the call "now()".
> This issue is similar to DRILL-2808, but that one focuses on error message.



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