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https://issues.apache.org/jira/browse/SPARK-28327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882601#comment-16882601
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Hyukjin Kwon commented on SPARK-28327:
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Currently the feature party is being matched against PostgreSQL. Not sure if
this one complies ANSI standard.
Given the current context, seems not an issue.
> Spark SQL can't support union with left query have queryOrganization
> ---------------------------------------------------------------------
>
> Key: SPARK-28327
> URL: https://issues.apache.org/jira/browse/SPARK-28327
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0, 3.0.0
> Reporter: angerszhu
> Priority: Major
>
> Spark SQL can't support SQL like
> {code:java}
> SELECT A FROM TABLE_1 LIMIT 1
> UNION
> SELECT A FROM TABLE_2 LIMIT 2{code}
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