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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/06/06 11:08:00 UTC
[jira] [Updated] (SPARK-8104) move the auto alias logic into
Analyzer
[ https://issues.apache.org/jira/browse/SPARK-8104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen updated SPARK-8104:
-----------------------------
Component/s: SQL
> move the auto alias logic into Analyzer
> ---------------------------------------
>
> Key: SPARK-8104
> URL: https://issues.apache.org/jira/browse/SPARK-8104
> Project: Spark
> Issue Type: Bug
> Components: SQL
> 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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