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https://issues.apache.org/jira/browse/SPARK-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118822#comment-14118822
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Xinyun Huang commented on SPARK-3176:
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For now, the POWER's function will implicitly convert the input to Double and
return the result in Double type.
> Implement 'POWER', 'ABS and 'LAST' for sql
> ------------------------------------------
>
> Key: SPARK-3176
> URL: https://issues.apache.org/jira/browse/SPARK-3176
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.0.2, 1.1.0
> Environment: All
> Reporter: Xinyun Huang
> Priority: Minor
> Fix For: 1.2.0
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> Add support for the mathematical function "POWER" and "ABS" and the analytic
> function "last" to return a subset of the rows satisfying a query within
> spark sql.
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