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https://issues.apache.org/jira/browse/CALCITE-5463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-5463.
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Resolution: Not A Problem
Closing as not a bug. The {{deriveAlias}} method, according to its
[javadoc|https://github.com/apache/calcite/blob/9054682145727fbf8a13e3c79b3512be41574349/core/src/main/java/org/apache/calcite/sql/validate/SqlValidator.java#L444],
"generates an alias EXPR$ordinal". The type of override you have done isn't
supported.
If you want the ability to customize aliases, please reopen, and let's add it
as a feature.
> 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
>
> {{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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