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https://issues.apache.org/jira/browse/CALCITE-4661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17368300#comment-17368300
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duan xiong commented on CALCITE-4661:
-------------------------------------
Ok. If we let's keep it simple, This MODE function becomes a normal function.
Some SQL like
```
select mode(columnName) from table.
```
return the common value in the column. If no other mistakes, I will do it this
way.
> Add MODE aggregate functions
> ----------------------------
>
> Key: CALCITE-4661
> URL: https://issues.apache.org/jira/browse/CALCITE-4661
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: duan xiong
> Assignee: duan xiong
> Priority: Major
>
> Add MODE functions in the operator table which returns the most frequent
> input value (arbitrarily choosing the first one if there are multiple
> equally-frequent results)
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