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https://issues.apache.org/jira/browse/CALCITE-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703966#comment-17703966
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logan.zheng commented on CALCITE-5604:
--------------------------------------
thank you
> Avg function should infer correct data type
> -------------------------------------------
>
> Key: CALCITE-5604
> URL: https://issues.apache.org/jira/browse/CALCITE-5604
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: logan.zheng
> Priority: Minor
>
> Currently,when the avg input is int type,the return type is int type, but the
> correct type is float
> RelDataTypeSystemImpl
> {code:java}
> // code placeholder
> @Override public RelDataType deriveAvgAggType(RelDataTypeFactory typeFactory,
> RelDataType argumentType) {
> return argumentType;
> } {code}
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