Add user case test

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs

@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitSubqueryN.Init();
             Unitadfasfa.Init();
             UnitOneToMany1231123.Init();
             OneToManyInString.Init();

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/UnitSubqueryN.cs

@@ -0,0 +1,70 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OrmTest
+{
+    internal class UnitSubqueryN
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+            db.CodeFirst.InitTables<shouji, shouji_subnum, insurance_section_config>();
+            var data = db.Queryable<shouji>()
+            .Where(w => w.shouji_status >= 4 && w.shouji_guid ==
+                SqlFunc.Subqueryable<shouji_subnum>().Where(s => s.amount > 0
+                    && s.insurance_section_id ==
+                    SqlFunc.Subqueryable<insurance_section_config>()
+                    .GroupBy(i => i.insurance_section_id)
+                    .Where(i => i.category_code == "" && i.insurance_section_id == s.insurance_section_id)
+                    .Select(i => i.insurance_section_id)
+               ).GroupBy(s => s.shouji_guid)
+               .Select(s => s.shouji_guid) && w.xuqin_code == "")
+            .ToList();
+        }
+
+        [SugarTable("unitshouji")]
+        public class shouji
+
+        {
+            public shouji()
+
+            {
+            }
+
+            public int? shouji_status { get; set; }
+
+            public string shouji_guid { get; set; }
+
+            public string xuqin_code { get; set; }
+        }
+        [SugarTable("unitshouji_subnum")]
+        public class shouji_subnum
+        {
+            public shouji_subnum()
+
+            {
+            }
+
+            public int? amount { get; set; }
+
+            public int? insurance_section_id { get; set; }
+
+            public string shouji_guid { get; set; }
+        }
+        [SugarTable("unitinsurance_section_config")]
+        public class insurance_section_config
+        {
+            public insurance_section_config()
+
+            {
+            }
+
+
+            public int insurance_section_id { get; set; }
+
+            public string category_code { get; set; }
+        }
+    }
+}