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https://issues.apache.org/jira/browse/SPARK-20754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liang-Chi Hsieh resolved SPARK-20754.
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Resolution: Fixed
> Add Function Alias For MOD/TRUNCT/POSITION
> ------------------------------------------
>
> Key: SPARK-20754
> URL: https://issues.apache.org/jira/browse/SPARK-20754
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Xiao Li
> Labels: starter
>
> We already have the impl of the following functions. We can add the function
> alias to be consistent with ANSI.
> {noformat}
> MOD(<m>,<n>)
> {noformat}
> Returns the remainder of m divided by n. Returns m if n is 0.
> {noformat}
> TRUNC
> {noformat}
> Returns the number x, truncated to D decimals. If D is 0, the result will
> have no decimal point or fractional part. If D is negative, the number is
> zeroed out.
> {noformat}
> POSITION
> {noformat}
> Returns the position of the char IN <string>) in the source string.
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