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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2014/06/18 21:14:24 UTC
[jira] [Commented] (SPARK-2177) describe table result contains only
one column
[ https://issues.apache.org/jira/browse/SPARK-2177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036199#comment-14036199 ]
Yin Huai commented on SPARK-2177:
---------------------------------
I think we need a better way to handle the result of a native command. The current PR is just a workaround.
Also, if we upgrade Hive to 0.13, we need to check the results of context.sessionState.isHiveServerQuery() to determine how to split the result. This method is introduced by https://issues.apache.org/jira/browse/HIVE-4545.
> describe table result contains only one column
> ----------------------------------------------
>
> Key: SPARK-2177
> URL: https://issues.apache.org/jira/browse/SPARK-2177
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Yin Huai
>
> {code}
> scala> hql("describe src").collect().foreach(println)
> [key string None ]
> [value string None ]
> {code}
> The result should contain 3 columns instead of one. This screws up JDBC or even the downstream consumer of the Scala/Java/Python APIs.
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