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https://issues.apache.org/jira/browse/IGNITE-14777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Plekhanov resolved IGNITE-14777.
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Fix Version/s: 2.19
Release Note: Added window functions support
Resolution: Fixed
[~le.louch], looks good to me. Merged to master. Thank you for this great patch!
> Calcite engine. Implement window functions
> ------------------------------------------
>
> Key: IGNITE-14777
> URL: https://issues.apache.org/jira/browse/IGNITE-14777
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Evgeny Stanilovsky
> Assignee: Oleg Zinoviev
> Priority: Major
> Labels: calcite, calcite2-required, calcite3-required, ise
> Fix For: 2.19
>
> Time Spent: 17h
> Remaining Estimate: 0h
>
> Window functions are not supported for now.
> examples:
> {noformat}
> SELECT i, j, row_number() OVER (PARTITION BY i ORDER BY j NULLS FIRST) FROM
> test ORDER BY i NULLS FIRST, j NULLS FIRST;
> ---
> SELECT i, (SELECT row_number() OVER (ORDER BY i) FROM integers WHERE i1.i=i)
> FROM integers i1 ORDER BY i;
> {noformat}
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