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https://issues.apache.org/jira/browse/CALCITE-1333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398280#comment-15398280
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MinJi Kim commented on CALCITE-1333:
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Here is my initial patch. Please let me know if there are any concerns.
Thanks!
https://github.com/apache/calcite/pull/262
> AggFunctions supported by JdbcAggregate should depend on SqlKind, instead of
> operator instance
> ----------------------------------------------------------------------------------------------
>
> Key: CALCITE-1333
> URL: https://issues.apache.org/jira/browse/CALCITE-1333
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: MinJi Kim
> Assignee: Julian Hyde
>
> In JdbcAggregate, there is a list of functions that can be implemented and
> therefore pushed into the underlying database. The list of functions uses
> operator instance, but it would be better to use SqlKind. This is
> particularly relevant in case a user creates his own operators (e.g. Drill
> wraps some of calcite's operators), so comparing instances will not work.
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