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https://issues.apache.org/jira/browse/CALCITE-1540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15755670#comment-15755670
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Julian Hyde commented on CALCITE-1540:
--------------------------------------
The easiest way to add a test is to edit {{winagg.iq}}, which is run as part of
QuidemTest.
Quidem has a new {{!verify}} command (see
https://github.com/julianhyde/quidem#verify) but you can't us it in this case
because hsqldb doesn't support OVER.
Code change looks mostly good. Can you fix formatting to make checkstyle happy,
and I see that one method now has two javadoc comments.
> window function does not support multiple partition columns
> -----------------------------------------------------------
>
> Key: CALCITE-1540
> URL: https://issues.apache.org/jira/browse/CALCITE-1540
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.10.0
> Reporter: hongbin ma
> Assignee: Julian Hyde
> Fix For: 1.11.0
>
> Attachments:
> 0001-CALCITE-1540-window-function-does-not-support-multip.patch
>
>
> When I add multiple partition columns to a window function:
> {code:xml}
> @Test public void testSelect() throws SQLException {
> checkSql("model", "select NAME,DEPTNO,count(*) over (partition by
> NAME,DEPTNO) from EMPS");
> }
> {code}
> Following exception is thrown:
> java.sql.SQLException: Error while executing SQL "select NAME,DEPTNO,count(*)
> over (partition by NAME,DEPTNO) from EMPS": Error while compiling generated
> Java code:
> However the document from calcite.apache.org/docs/reference.html states
> multiple partition columns should be allowed:
> {code}
> windowSpec:
> [ windowName ]
> '('
> [ ORDER BY orderItem [, orderItem ]* ]
> [ PARTITION BY expression [, expression ]* ]
> [
> RANGE numericOrIntervalExpression { PRECEDING | FOLLOWING }
> | ROWS numericExpression { PRECEDING | FOLLOWING }
> ]
> ')'
> {code}
> After searching it seems no one is reporting the same issue. I'm opening this
> JIAR as a placeholder, will try to fix this issue
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