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https://issues.apache.org/jira/browse/IGNITE-14777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Aleksey Plekhanov updated IGNITE-14777:
---------------------------------------
    Description: 
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}

  was:
subclass of window queries with _row_number_ functionality 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}



> 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
>            Priority: Major
>              Labels: calcite, calcite2-required, calcite3-required
>          Time Spent: 0.5h
>  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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