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https://issues.apache.org/jira/browse/CALCITE-527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245301#comment-14245301
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Vladimir Sitnikov commented on CALCITE-527:
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That is important.
As far as I can see:
1) Column names can be defined when creating a program
2) {{Calc.copy}} does not include {{rowType}} parameter
So I guess it is rather safe to drop rowType from {{Calc}} constructor.
> Drop rowType field and constructor/copy argument of Calc
> --------------------------------------------------------
>
> Key: CALCITE-527
> URL: https://issues.apache.org/jira/browse/CALCITE-527
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.0.0-incubating
> Reporter: Vladimir Sitnikov
> Assignee: Julian Hyde
> Labels: newbie
>
> rowType can always be derived from the program.
> It does not make sense to have it as additional argument.
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