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https://issues.apache.org/jira/browse/CALCITE-5463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17652664#comment-17652664
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Julian Hyde commented on CALCITE-5463:
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What is the commit that you are referring to?
I'm not sure that we intended people to customize the aliases. There are no
tests for this kind of extensibility.
> Revert removing usage of SqlValidator.deriveAlias
> -------------------------------------------------
>
> Key: CALCITE-5463
> URL: https://issues.apache.org/jira/browse/CALCITE-5463
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.33.0
> Reporter: Vova Vysotskyi
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.33.0
>
>
> {{SqlValidator.deriveAlias}} method provides the ability to customize
> deriving aliases for the expression. In one of the recent changes, the method
> calls were replaced with static methods, which makes such customizations
> impossible to use.
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