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https://issues.apache.org/jira/browse/CALCITE-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde reopened CALCITE-3102:
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      Assignee: Julian Hyde  (was: Danny Chan)

I screwed up, I asked [~danny0405] to make this change and I now think that it 
goes too far. I should have realized that removing (for example) methods whose 
arguments are of type SemiJoin is a serious breaking change. People will still 
want to use those methods while they are converting their code away from 
SemiJoin.

I am re-opening this case, and have assigned to myself.

I intend to fix by:
* restoring these methods (so that people can continue to use SemiJoin but will 
see deprecation warnings);
* adding comments (or whatever) to silence the deprecation warnings;
* changing the 'to be removed before 2.0' comments to 'to be removed before 
1.21'.

> Deprecation warnings following [CALCITE-2969]
> ---------------------------------------------
>
>                 Key: CALCITE-3102
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3102
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.20.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Following CALCITE-2969 there are a couple of dozen deprecation warnings. Our 
> policy is to tolerate no deprecation warnings. So we either need to stop 
> using deprecated APIs or silence the warnings.
> This is a blocker for 1.20.



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