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https://issues.apache.org/jira/browse/SPARK-15265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279436#comment-15279436
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Apache Spark commented on SPARK-15265:
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User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/13043
> Fix Union query error message indentation
> -----------------------------------------
>
> Key: SPARK-15265
> URL: https://issues.apache.org/jira/browse/SPARK-15265
> Project: Spark
> Issue Type: Bug
> Reporter: Dongjoon Hyun
> Priority: Trivial
>
> This issue fixes the error message indentation consistently with other set
> queries (EXCEPT/INTERSECT).
> **Before (4 lines)**
> {code}
> scala> sql("(select 1) union (select 1, 2)").head
> org.apache.spark.sql.AnalysisException:
> Unions can only be performed on tables with the same number of columns,
> but one table has '2' columns and another table has
> '1' columns;
> {code}
> **After (one-line)**
> {code}
> scala> sql("(select 1) union (select 1, 2)").head
> org.apache.spark.sql.AnalysisException: Unions can only be performed on
> tables with the same number of columns, but one table has '2' columns and
> another table has '1' columns;
> {code}
> **Reference**
> EXCEPT / INTERSECT uses one-line format like the following.
> {code}
> scala> sql("(select 1) intersect (select 1, 2)").head
> org.apache.spark.sql.AnalysisException: Intersect can only be performed on
> tables with the same number of columns, but the left table has 1 columns and
> the right has 2;
> {code}
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