[jira] [Closed] (DRILL-3943) CannotPlanException caused by ExpressionReductionRule

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

     [ https://issues.apache.org/jira/browse/DRILL-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krystal closed DRILL-3943.
--------------------------

git.commit.id.abbrev=bf5f938

Verified that now() and similar queries no longer fail with "cannot plan" exception.
SELECT count(DISTINCT employee_id) as col1,count((to_number(date_diff(now(), cast(birth_date AS date)),'####'))) as col2 FROM cp.`employee.json`;
+-------+-------+
| col1  | col2  |
+-------+-------+
| 1155  | 1155  |
+-------+-------+


> 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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