add test #306

FreeSql.Tests/FreeSql.Tests/Issues/306.cs

@@ -0,0 +1,62 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.Issues
+{
+    public class _306
+    {
+        [Fact]
+        public void SelectTest()
+        {
+            IFreeSql db = g.sqlserver;
+
+            db.Select<ElectricEnergyValue, BranchMeter>()
+                .InnerJoin((a, b) => a.MeterSN == b.MeterSN)
+                .ToAggregate((a, b) => new VM_PeriodEnergy
+                {
+                    Sharp = a.Sum(a.Key.Sharp),
+                    Peak = a.Sum(a.Key.Peak),
+                    Shoulder = a.Sum(a.Key.Shoulder),
+                    Off = a.Sum(a.Key.Off),
+                });
+        }
+
+        public class ElectricEnergyValue
+        {
+            public int ID { get; set; }
+
+            public string MeterSN { get; set; }
+
+            public DateTime CollectTime { get; set; }
+
+            public decimal Sharp { get; set; }
+
+            public decimal Peak { get; set; }
+
+            public decimal Shoulder { get; set; }
+
+            public decimal Off { get; set; }
+        }
+
+        public class BranchMeter
+        {
+            public int BranchID { get; set; }
+
+            public string MeterSN { get; set; }
+        }
+
+        public class VM_PeriodEnergy
+        {
+            public decimal Sharp { get; set; }
+
+            public decimal Peak { get; set; }
+
+            public decimal Shoulder { get; set; }
+
+            public decimal Off { get; set; }
+        }
+    }
+}