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https://issues.apache.org/jira/browse/SPARK-8254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579926#comment-14579926
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Cheng Hao commented on SPARK-8254:
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I'll take this one.
> string function: printf
> -----------------------
>
> Key: SPARK-8254
> URL: https://issues.apache.org/jira/browse/SPARK-8254
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> printf(String format, Obj... args): string
> Returns the input formatted according do printf-style format strings.
> We need to come up with a name for this in DataFrame -- maybe formatString.
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