[jira] [Updated] (IGNITE-4543) .NET: Support multiple aggregates in LINQ

[Pavel Tupitsyn (JIRA)]

 [ 
https://issues.apache.org/jira/browse/IGNITE-4543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pavel Tupitsyn updated IGNITE-4543:
---
Fix Version/s: (was: 2.1)

> .NET: Support multiple aggregates in LINQ
> -
>
> Key: IGNITE-4543
> URL: https://issues.apache.org/jira/browse/IGNITE-4543
> Project: Ignite
>  Issue Type: Improvement
>  Components: platforms
>Reporter: Pavel Tupitsyn
>  Labels: .NET, linq
>
> Provide a way to express multiple aggregates in LINQ like we do in SQL:
> {{SELECT MIN(salary), MAX(salary) from Employee}},
> LINQ to SQL and EntityFramework allow constructs like these:
> {code}
> [Test]
> public void TestAggregatesMultiple()
> {
> var ints = GetPersonCache().AsCacheQueryable().Select(x => x.Key);
> var res = ints.GroupBy(x => 1).Select(g => new {Sum = g.Sum(), 
> Avg = g.Average()}).Single();
> Assert.AreEqual(ints.Sum(), res.Sum);
> Assert.AreEqual(ints.Average(), res.Avg);
> var res2 = ints.Select(x => new {Sum = ints.Sum(), Avg = 
> ints.Average()}).First();
> 
> Assert.AreEqual(ints.Sum(), res2.Sum);
> Assert.AreEqual(ints.Average(), res2.Avg);
> }
> {code}



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[jira] [Updated] (IGNITE-4543) .NET: Support multiple aggregates in LINQ

[Pavel Tupitsyn (JIRA)]

 [ 
https://issues.apache.org/jira/browse/IGNITE-4543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pavel Tupitsyn updated IGNITE-4543:
---
Fix Version/s: (was: 2.0)
   2.1

> .NET: Support multiple aggregates in LINQ
> -
>
> Key: IGNITE-4543
> URL: https://issues.apache.org/jira/browse/IGNITE-4543
> Project: Ignite
>  Issue Type: Improvement
>  Components: platforms
>Reporter: Pavel Tupitsyn
>  Labels: .NET, linq
> Fix For: 2.1
>
>
> Provide a way to express multiple aggregates in LINQ like we do in SQL:
> {{SELECT MIN(salary), MAX(salary) from Employee}},
> LINQ to SQL and EntityFramework allow constructs like these:
> {code}
> [Test]
> public void TestAggregatesMultiple()
> {
> var ints = GetPersonCache().AsCacheQueryable().Select(x => x.Key);
> var res = ints.GroupBy(x => 1).Select(g => new {Sum = g.Sum(), 
> Avg = g.Average()}).Single();
> Assert.AreEqual(ints.Sum(), res.Sum);
> Assert.AreEqual(ints.Average(), res.Avg);
> var res2 = ints.Select(x => new {Sum = ints.Sum(), Avg = 
> ints.Average()}).First();
> 
> Assert.AreEqual(ints.Sum(), res2.Sum);
> Assert.AreEqual(ints.Average(), res2.Avg);
> }
> {code}



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