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https://issues.apache.org/jira/browse/SPARK-8668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606067#comment-14606067
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Tarek Auel commented on SPARK-8668:
-----------------------------------
Hi,
just to get it right:
selectExpr of the dataframe api takes at the moment varargs as arguments. This
should be enhanced in order to parse ONE string argument that contains multiple
expressions, shouldn't it? Or do I get it wrong?
> expr function to convert SQL expression into a Column
> -----------------------------------------------------
>
> Key: SPARK-8668
> URL: https://issues.apache.org/jira/browse/SPARK-8668
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> selectExpr uses the expression parser to parse a string expressions. would be
> great to create an "expr" function in functions.scala/functions.py that
> converts a string into an expression (or a list of expressions separated by
> comma).
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