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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2016/12/09 12:48:01 UTC
[jira] [Updated] (IGNITE-4388) .NET: Improve LINQ error message
when aggregates are used with multiple fields
[ https://issues.apache.org/jira/browse/IGNITE-4388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vladimir Ozerov updated IGNITE-4388:
------------------------------------
Fix Version/s: (was: 1.9)
2.0
> .NET: Improve LINQ error message when aggregates are used with multiple fields
> ------------------------------------------------------------------------------
>
> Key: IGNITE-4388
> URL: https://issues.apache.org/jira/browse/IGNITE-4388
> Project: Ignite
> Issue Type: Improvement
> Components: platforms
> Affects Versions: 1.7, 1.8
> Reporter: Pavel Tupitsyn
> Priority: Trivial
> Labels: .NET, LINQ
> Fix For: 2.0
>
>
> Current message is "Aggregate functions do not support multiple fields". This happens when you try to apply aggregate function (such as COUNT) to a query which selects multiple fields (select new {X, Y}). LINQ allows that, but we can't express this in SQL.
> * See what Entity Framework does
> * Improve error message
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