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https://issues.apache.org/jira/browse/CALCITE-1740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979151#comment-15979151
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radu commented on CALCITE-1740:
-------------------------------
[~julianhyde] I have updated the PR with the new code implementation that
addresses your remarks. Please have a look
> Distinct aggregate flag in window function
> ------------------------------------------
>
> Key: CALCITE-1740
> URL: https://issues.apache.org/jira/browse/CALCITE-1740
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: radu
> Assignee: Julian Hyde
> Labels: build, windows
>
> When parsing queries such as
> SELECT B1, SUM(DISTINCT B2) OVER (ORDER BY B4 RANGE BETWEEN INTERVAL '10'
> SECOND PRECEDING AND CURRENT ROW) FROM T
> The aggregates in the LogicalWindow do not have any marker of being distinct.
> isDistinct() flag is not set. Probably some rule(s) silently swallow the
> DISTINCT keyword
> The LogicalWindow object that result is
> LogicalWindow(window#0=[window(partition {} order by [2] range between $3
> PRECEDING and CURRENT ROW aggs [COUNT($1), $SUM0($1)])])
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