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https://issues.apache.org/jira/browse/FLINK-6149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15974471#comment-15974471
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Kurt Young commented on FLINK-6149:
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Hi [~dshkvyra], i have tried to reproduce the problem with out this change, and
it also raise the same exception.
I believe the root cause is actually the {{LogicalJoin(condition=[<($1, $0)],
joinType=[right])}} does't have equality contidion and the join type is not
inner. The {{DataSetJoinRule}} has explicitly forbidden such kind of join by
the change of https://issues.apache.org/jira/browse/FLINK-5520
> add additional flink logical relation nodes
> -------------------------------------------
>
> Key: FLINK-6149
> URL: https://issues.apache.org/jira/browse/FLINK-6149
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Kurt Young
> Assignee: Kurt Young
> Fix For: 1.3.0
>
>
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