Add user test case

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

@@ -32,6 +32,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitaadfafxSubToList.Init();
             UnitGridSave2.Init();
             Unitdfafa11.Init();
             UnitSelectN.Init();

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

@@ -0,0 +1,240 @@
+using SqlSugar;
+using SqlSugarCoreDemo.Demo;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+namespace OrmTest
+{
+    internal class UnitaadfafxSubToList
+    {
+        /// <summary>
+        /// 初始化方法，包含各种查询操作的演示
+        /// Initialization method containing demonstrations of various query operations
+        /// </summary>
+        public static void Init()
+        {
+            //创建表并插入一条记录
+            //Create table and insert a record
+            CreateTable();
+
+            //参数化测试
+            QuerySubTest();
+            //// 查询所有学生信息
+            //// Query all student records
+            //GetAllStudents();
+
+            //// 查询学生总数
+            //// Get the total count of students
+            //GetStudentCount();
+
+            //// 按条件查询学生信息
+            //// Query student records based on conditions
+            //GetStudentsByCondition();
+
+            //// 模糊查询学生信息（名字包含"jack"的学生）
+            //// Fuzzy search for student records (students with names containing "jack")
+            //GetStudentsByName("jack");
+
+            //// 根据学生ID查询单个学生
+            //// Query a single student by student ID
+            //GetStudentById(1);
+
+            //// 获取Student03表中的最大Id
+            //// Get the maximum ID from the Student03 table
+            //GetMaxStudentId();
+
+            //// 简单排序（按照Id降序排序）
+            //// Simple sorting (sorting by Id in descending order)
+            //GetStudentsOrderedByIdDesc();
+
+            //// 查询学生姓名列表
+            //// Query the list of student names
+            //GetStudentNames();
+        }
+
+        /// <summary>
+        /// 创建表并插入一条记录
+        /// Create table and insert a record
+        /// </summary>
+        private static void CreateTable()
+        {
+            SqlSugarClient db = NewUnitTest.Db;
+
+            db.CodeFirst.InitTables<Student03>();
+            db.DbMaintenance.TruncateTable<Student03>();
+            var r = Enumerable.Range(1, 10000);
+            var stList = new List<Student03>();
+            for (int i = 0; i < 10000; i++)
+            {
+                var tempStu = new Student03()
+                {
+                    Name = "name" + SnowFlakeSingle.Instance.NextId(),
+                    Id = i,
+                    CreateTime = DateTime.Now,
+                };
+                stList.Add(tempStu);
+            }
+            db.Insertable(stList).ExecuteCommand();
+        }
+
+        /// <summary>
+        /// 子查询测试
+        /// Query all student records
+        /// </summary>
+        private static void QuerySubTest()
+        {
+            SqlSugarClient db = NewUnitTest.Db;
+            var r = db.Queryable<Student03>().Take(3).Where(x => x.Id > 4000).Select(x => new
+            {
+                r = SqlFunc.Subqueryable<Student03>().OrderBy(x => x.Name).First(x => new Student03 {
+                 CreateTime= x.CreateTime  
+                }, true),
+
+            }).ToList();
+        }
+
+        /// <summary>
+        /// 参数化测试
+        /// Query all student records
+        /// </summary>
+        private static void MyArrayParmeterTest()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var na = "1";
+            var idList = Enumerable.Range(0, 10000).ToList();
+            var students = db.Queryable<Student03>().Where(x => DemoSqlFunction.MyContainsArrayUseSqlParameters(idList, x.Id) && x.Name.StartsWith(na)).ToList();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 查询所有学生信息
+        /// Query all student records
+        /// </summary>
+        private static void GetAllStudents()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var students = db.Queryable<Student03>().ToList();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 查询学生总数
+        /// Get the total count of students
+        /// </summary>
+        private static void GetStudentCount()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var count = db.Queryable<Student03>().Count();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 按条件查询学生信息
+        /// Query student records based on conditions
+        /// </summary>
+        private static void GetStudentsByCondition()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+
+            // 查询name字段不为null的学生
+            // Query students where the 'name' field is not null
+            var studentsWithNameNotNull = db.Queryable<Student03>().Where(it => it.Name != null).ToList();
+
+            // 查询name字段为null的学生
+            // Query students where the 'name' field is null
+            var studentsWithNameNull = db.Queryable<Student03>().Where(it => it.Name == null).ToList();
+
+            // 查询name字段不为空的学生
+            // Query students where the 'name' field is not empty
+            var studentsWithNameNotEmpty = db.Queryable<Student03>().Where(it => it.Name != "").ToList();
+
+            // 多条件查询
+            // Query students with multiple conditions
+            var studentsWithMultipleConditions = db.Queryable<Student03>().Where(it => it.Id > 10 && it.Name == "a").ToList();
+
+            // 动态OR查询
+            // Dynamic OR query
+            var exp = Expressionable.Create<Student03>();
+            exp.OrIF(true, it => it.Id == 1);
+            exp.Or(it => it.Name.Contains("jack"));
+            var studentsWithDynamicOr = db.Queryable<Student03>().Where(exp.ToExpression()).ToList();
+
+        }
+
+        /// <summary>
+        /// 模糊查询学生信息
+        /// Fuzzy search for student records
+        /// </summary>
+        private static void GetStudentsByName(string keyword)
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var students = db.Queryable<Student03>().Where(it => it.Name.Contains(keyword)).ToList();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 根据学生ID查询单个学生
+        /// Query a single student by student ID
+        /// </summary>
+        private static void GetStudentById(int id)
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var student = db.Queryable<Student03>().Single(it => it.Id == id);
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 获取Student03表中的最大Id
+        /// Get the maximum ID from the Student03 table
+        /// </summary>
+        private static void GetMaxStudentId()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var maxId = db.Queryable<Student03>().Max(it => it.Id);
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 简单排序（按照Id降序排序）
+        /// Simple sorting (sorting by Id in descending order)
+        /// </summary>
+        private static void GetStudentsOrderedByIdDesc()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var students = db.Queryable<Student03>().OrderBy(sc => sc.Id, OrderByType.Desc).ToList();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        /// <summary>
+        /// 查询学生姓名列表
+        /// Query the list of student names
+        /// </summary>
+        private static void GetStudentNames()
+        {
+            SqlSugarClient db = DbHelper.GetNewDb();
+            var studentNames = db.Queryable<Student03>().Select(it => it.Name).ToList();
+            // 处理查询结果
+            // Process the query results
+        }
+
+        public class Student03
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+            public string Name { get; set; } 
+            public DateTime CreateTime { get; set; }
+        }
+    }
+}
+

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Unitasf1/DemoSqlFunction.cs

@@ -0,0 +1,66 @@
+using SqlSugar;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Data;
+using SugarDbType = SqlSugar.DbType;
+
+namespace SqlSugarCoreDemo.Demo
+{
+    public class DemoSqlFunction
+    {
+        public static bool MyContainsArrayUseSqlParameters<T>(List<T> thisValue, object InField)
+        {
+            //这里不能写任何实现代码，需要在上面的配置中实现
+            throw new NotSupportedException("Can only be used in expressions");
+        }
+
+        private static List<SqlFuncExternal> _SqlFuncExternals;
+        public static List<SqlFuncExternal> SqlFuncExternals()
+        {
+            if (_SqlFuncExternals != null)
+            {
+                return _SqlFuncExternals;
+            }
+            var expMethods = new List<SqlFuncExternal>
+            {
+                new SqlFuncExternal()
+                {
+                    UniqueMethodName = "MyContainsArrayUseSqlParameters",
+                    MethodValue = (expInfo, dbType, expContext) =>
+                    {
+                        if (dbType == SugarDbType.SqlServer)
+                        {
+                            var inValueIEnumerable = (IEnumerable)expInfo.Args[0].MemberValue;
+                            var inValueHashCode=inValueIEnumerable.GetHashCode();
+
+                            var parp=expContext.Parameters.First(x=>x.Value.GetHashCode()==inValueHashCode);
+
+                            var tempDt = new DataTable();
+                            tempDt.Columns.Add("Value", typeof(long));
+                            foreach (var item in inValueIEnumerable)
+                            {
+                                var r = tempDt.NewRow();
+                                r["Value"] = item;
+                                tempDt.Rows.Add(r);
+                            }
+                            //表结构变量
+                            parp.TypeName="dbo.Long_Table";
+
+                            parp.Value=tempDt;
+
+                            return $"{expInfo.Args[1].MemberName} IN (SELECT Value FROM {parp.ParameterName})";
+                        }
+                        else
+                            throw new Exception("未实现");
+                    }
+                }
+            };
+
+            return expMethods;
+        }
+    }
+}