[jira] [Created] (IGNITE-4390) [IGNITE-4388] .NET: Improve LINQ error message when aggregates are used with multiple fields

[Anton Vinogradov (Jira)]

Semen Boikov created IGNITE-4390:
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             Summary: [IGNITE-4388] .NET: Improve LINQ error message when aggregates are used with multiple fields
                 Key: IGNITE-4390
                 URL: https://issues.apache.org/jira/browse/IGNITE-4390
             Project: Ignite
          Issue Type: Improvement
            Reporter: Pavel Tupitsyn
            Priority: Minor


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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