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https://issues.apache.org/jira/browse/FLINK-5520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fabian Hueske closed FLINK-5520.
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Resolution: Done
Fix Version/s: 1.3.0
Fixed for 1.2.0 with 9073c53f902df7b3dbbdec2a30d86030e49fe27e
Fixed for 1.3.0 with d1301c82b85c00284d90e8f5bdac4fd86dc5b173
> Disable outer joins with non-equality predicates
> ------------------------------------------------
>
> Key: FLINK-5520
> URL: https://issues.apache.org/jira/browse/FLINK-5520
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.2.0
> Reporter: Fabian Hueske
> Assignee: lincoln.lee
> Priority: Blocker
> Fix For: 1.2.0, 1.3.0
>
>
> Outer joins with non-equality predicates (and at least one equality
> predicate) compute incorrect results.
> Since this is not a very common requirement, I propose to disable this
> feature for the 1.2.0 release and correctly implement it for a later version.
> The fix should add checks in the Table API validation phase (to get a good
> error message) and in the DataSetJoinRule to prevent translation of SQL
> queries with non-equality predicates on outer joins.
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