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Posted to issues@spark.apache.org by "Chris Fregly (JIRA)" <ji...@apache.org> on 2015/04/28 02:19:09 UTC

[jira] [Commented] (SPARK-7178) Improve DataFrame documentation to include common uses like AND and OR semantics within filters, etc

    [ https://issues.apache.org/jira/browse/SPARK-7178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516021#comment-14516021 ] 

Chris Fregly commented on SPARK-7178:
-------------------------------------

i recommend updating both the scala docs and the SQL Programming guide.

> Improve DataFrame documentation to include common uses like AND and OR semantics within filters, etc
> ----------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-7178
>                 URL: https://issues.apache.org/jira/browse/SPARK-7178
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.3.1
>            Reporter: Chris Fregly
>              Labels: dataframe
>
> AND and OR are not straightforward when using the new DataFrame API.
> the current convention - accepted by Pandas users - is to use the bitwise & and | instead of AND and OR.  when using these, however, you need to wrap each expression in parenthesis to prevent the bitwise operator from dominating.



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