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https://issues.apache.org/jira/browse/SPARK-20575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-20575.
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Resolution: Invalid
Questions should go to [email protected], but I am not even sure this is a
clear question.
> As a user,how do I know the return value type(double,bigint etc.) of a
> function
> ---------------------------------------------------------------------------------
>
> Key: SPARK-20575
> URL: https://issues.apache.org/jira/browse/SPARK-20575
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: liuxian
> Priority: Minor
>
> In spark-sql,we often use "avg", "round" etc. functions, when we need to
> save the results into tables, but i am not sure the return value type of
> these functions,
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