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https://issues.apache.org/jira/browse/DRILL-3719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720301#comment-14720301
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Sean Hsuan-Yi Chu commented on DRILL-3719:
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https://reviews.apache.org/r/37896/
> Adding negative sign in front of EXTRACT triggers Assertion Error
> -----------------------------------------------------------------
>
> Key: DRILL-3719
> URL: https://issues.apache.org/jira/browse/DRILL-3719
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Sean Hsuan-Yi Chu
> Fix For: 1.2.0
>
>
> A simple repo:
> When we typing
> {code}
> select -EXTRACT(DAY FROM birth_date) from cp.`employee.json`;
> {code}
> we probably mean
> {code}
> select -1 * EXTRACT(DAY FROM birth_date) from cp.`employee.json`;
> {code}
> However, the first one will trigger assertion error:
> Error: SYSTEM ERROR: AssertionError: todo: implement syntax
> PREFIX(-(EXTRACT(FLAG(DAY), $0)))
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