# Possible View of Dremio Roadmap

**URL:** <https://community.dremio.com/t/possible-view-of-dremio-roadmap/668>\
**Category:** Uncategorized\
**Created:** [January 22, 2018, 11:14pm UTC](https://community.dremio.com/t/possible-view-of-dremio-roadmap/668 "2018-01-22T23:14:15Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Chris\_du\_Toit](https://avatars.discourse-cdn.com/v4/letter/c/a4c791/32.png) [@Chris\_du\_Toit](https://community.dremio.com/u/Chris_du_Toit)\
**Post date:** [January 25, 2018, 12:00am UTC](https://community.dremio.com/t/possible-view-of-dremio-roadmap/668/4 "2018-01-25T00:00:37Z")

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Thanks @can, I am looking forward to the Roadmap when it comes.

Saying that, The one feature I would really appreciate is the ability to use WINDOW functions on RDBMS sources. Any idea if this is planned to be in one of the next few releases?

> [@Error when running window ROW\_NUMBER function](https://community.dremio.com/t/error-when-running-window-row-number-function/360/):
>
> Any advice on getting my window function query to work would be great. I have created a dataset based on some SQL Server data and running the following query gives an error of “Cannot convert RexNode to equivalent Dremio expression. RexNode Class: org.apache.calcite.rex.RexOver, RexNode Digest: DENSE\_RANK() OVER (PARTITION BY $16 ORDER BY $4 RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)” select Invoice\_ID ,TaskID ,ROW\_NUMBER() OVER(partition by TaskID order by Invoice\_ID DESC) as unq …

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_[View the full topic](https://community.dremio.com/t/possible-view-of-dremio-roadmap/668)._