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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/04 18:34:38 UTC

[jira] [Commented] (SPARK-8104) move the auto alias logic into Analyzer

    [ https://issues.apache.org/jira/browse/SPARK-8104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14573094#comment-14573094 ] 

Apache Spark commented on SPARK-8104:
-------------------------------------

User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/6647

> move the auto alias logic into Analyzer
> ---------------------------------------
>
>                 Key: SPARK-8104
>                 URL: https://issues.apache.org/jira/browse/SPARK-8104
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Wenchen Fan
>
> Currently we auto alias expression in parser. However, during parser phase we don't have enough information to do the right alias. For example, Generator that has more than 1 kind of element need MultiAlias, ExtractValue don't need Alias if it's in middle of a ExtractValue chain.



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