Wang Yanlin commented on CALCITE-3363:

OK, I see.
for  *A anti join (B union C)* is not equals to *(A anti join B) union (A anti 
join C)*

> JoinUnionTransposeRule.RIGHT_UNION should not match ANTI Join
> -------------------------------------------------------------
>                 Key: CALCITE-3363
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3363
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: jin xing
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
> JoinUnionTransposeRule works by pull up union from below to top of join. Thus 
> it should not match anti join by semantics.

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