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https://issues.apache.org/jira/browse/SPARK-7345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536805#comment-14536805
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Apache Spark commented on SPARK-7345:
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User 'osidorkin' has created a pull request for this issue:
https://github.com/apache/spark/pull/6032
> Spark cannot detect renamed columns using JDBC connector
> --------------------------------------------------------
>
> Key: SPARK-7345
> URL: https://issues.apache.org/jira/browse/SPARK-7345
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.3.1
> Reporter: Oleg Sidorkin
>
> sqlContext.load("jdbc", Map("url" -> "some url", "dbtable" -> "(select column
> as column1, column as column2 from table)")) creates DataFrame with wrong
> schema which fails on action.
>
> Most likely JDBC SQL connector uses getColumnName instead of getColumnLabel
> to deduce DataFrame schema from ResultSetMetaData.
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