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https://issues.apache.org/jira/browse/SPARK-16644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385538#comment-15385538
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Apache Spark commented on SPARK-16644:
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User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/14281
> constraints propagation may fail the query
> ------------------------------------------
>
> Key: SPARK-16644
> URL: https://issues.apache.org/jira/browse/SPARK-16644
> Project: Spark
> Issue Type: Bug
> Reporter: Wenchen Fan
>
> {code}
> create table(a int, b int);
> select
> a,
> max(b) as c1,
> b as c2
> from tbl
> where a = b
> group by a, b
> having c1 = 1
> {code}
> this query fails in 2.0, but works in 1.6
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