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https://issues.apache.org/jira/browse/OPTIQ-364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved OPTIQ-364.
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Resolution: Fixed
Fixed in http://git-wip-us.apache.org/repos/asf/incubator-optiq/commit/3b2eeb76.
> Validator rejects valid "WITH ... ORDER BY" query
> -------------------------------------------------
>
> Key: OPTIQ-364
> URL: https://issues.apache.org/jira/browse/OPTIQ-364
> Project: Optiq
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
>
> The validator rejects a valid "WITH ... ORDER BY" query, giving the error
> "Aggregate expression is illegal in ORDER BY clause of non-aggregating
> SELECT". Example:
> {code:sql}
> with q as (select * from emp)
> select count(*) from q group by deptno order by count(*)
> {code}
> The validator is doing a rewrite on the SqlOrderBy and is adding a wrapper
> SqlSelect. But its result, "select * from (...) order by count( * )" is not
> valid. We should instead generate "select * from (...) order by 1".
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