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https://issues.apache.org/jira/browse/CALCITE-5874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tanner Clary resolved CALCITE-5874.
-----------------------------------
Resolution: Fixed
The fix for this was included in [76ba489
|https://github.com/apache/calcite/commit/76ba489c137f7a65f8e0497d3f9041debe3118b3],
I am going to close the separate pull request. thanks for the fix, [~taoran]!
> Add withReturnTypeInference copy method for SqlBasicFunction
> ------------------------------------------------------------
>
> Key: CALCITE-5874
> URL: https://issues.apache.org/jira/browse/CALCITE-5874
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.34.0
> Reporter: Ran Tao
> Assignee: Ran Tao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.36.0
>
>
> some sql functions have same sqlkind and name but with different return types.
> e.g. Soundex function, calcite and bigquery return varchar(4), however spark
> return non-fixed length. If we want reuse Soundex, we can only use create
> method to pass all parameters, it's a bit bloated.
> If we add a `withReturnTypeInference()`, we can simply use this to copy from
> existed functions.
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