74 lines
3.2 KiB
C#
74 lines
3.2 KiB
C#
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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namespace PlanCompilerTests
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{
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using System.Data.Entity;
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using System.Linq;
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using AdvancedPatternsModel;
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using Xunit;
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/// <summary>
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/// Tests for GroupBy statements in Linq queries.
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/// </summary>
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public class LinqGroupByTests : FunctionalTestBase
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{
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#region Infrastructure/setup
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#endregion
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#region Tests for GroupBy that trigger an aggregate pushdown
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[Fact]
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private void GroupBy_aggregate_pushdown_single_key()
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{
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using (var context = new AdvancedPatternsMasterContext())
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{
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var groupByQuery = from workOrder in context.WorkOrders
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group new
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{
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workOrder.WorkOrderId,
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workOrder.Details
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} by workOrder.EmployeeId
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into ordersByEmployeeGroup
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select new
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{
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EmployeeId = ordersByEmployeeGroup.Key,
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OrderCount = ordersByEmployeeGroup.Count(),
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MaxOrderId = ordersByEmployeeGroup.Max(o => o.WorkOrderId)
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};
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var sql = groupByQuery.ToString();
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Assert.True(sql != null && sql.ToUpper().Contains("GROUP BY"));
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}
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}
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// Dev11 448362
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[Fact]
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private void GroupBy_aggregate_pushdown_translates_NewRecordOp()
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{
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using (var context = new AdvancedPatternsMasterContext())
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{
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var groupByNewQuery = from workOrder in context.WorkOrders
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group new
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{
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workOrder.WorkOrderId,
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workOrder.Details
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} by new
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{
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workOrder.EmployeeId
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}
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into ordersByEmployeeGroup
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select new
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{
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ordersByEmployeeGroup.Key.EmployeeId,
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OrderCount = ordersByEmployeeGroup.Count(),
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MaxOrderId = ordersByEmployeeGroup.Max(o => o.WorkOrderId)
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};
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var sql = groupByNewQuery.ToString();
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Assert.True(sql != null && sql.ToUpper().Contains("GROUP BY"));
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}
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}
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#endregion
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}
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}
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