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https://issues.apache.org/jira/browse/CALCITE-5377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruben Q L resolved CALCITE-5377.
--------------------------------
    Fix Version/s: 1.33.0
       Resolution: Fixed

Fixed in 
https://github.com/apache/calcite/commit/ad77a20f286d4b25b26e940e92b40a15acb2e333

Thanks [~yoncise] for creating the ticket and [~jiajunbernoulli] for the patch!

> RelFieldTrimmer support Sort with dynamic param
> -----------------------------------------------
>
>                 Key: CALCITE-5377
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5377
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.32.0
>            Reporter: YUAN
>            Assignee: Jiajun Xie
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.33.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> If Sort rel node used dynamic param, RelFieldTrimmer can not trim fields as 
> expected.
> The behavior makes ProjectableFilterableTable can not get correct projects.
> Related code:
> {code:java}
> // 
> org.apache.calcite.sql2rel.RelFieldTrimmer#trimFields(org.apache.calcite.rel.core.Sort,
>  org.apache.calcite.util.ImmutableBitSet, 
> java.util.Set<org.apache.calcite.rel.type.RelDataTypeField>)
> // leave the Sort unchanged in case we have dynamic limits
> if (sort.offset instanceof RexDynamicParam
>     || sort.fetch instanceof RexDynamicParam) {
>   return result(sort, inputMapping);
> } {code}
> I think we can support dynamic param without breaking anything.



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