Catalog arrangement

Src/Asp.Net/SqlServerTest/UnitTest/Query/SelectQuery.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+using System.Linq.Expressions;
+using OrmTest.Models;
+namespace OrmTest.UnitTest
+{
+    public class SelectQuery : UnitTestBase
+    {
+        private SelectQuery() { }
+        public SelectQuery(int eachCount)
+        {
+            this.Count = eachCount;
+        }
+        internal void Init()
+        {
+            base.Begin();
+            for (int i = 0; i < base.Count; i++)
+            {
+                Q2();
+            }
+            base.End("Method Test");
+        }
+
+        public void Q2()
+        {
+            using (var db = GetInstance())
+            {
+                //db.Database.IsEnableLogEvent = true;
+                db.Ado.LogEventStarting = (sql, pars) =>
+                {
+                    Console.WriteLine(sql + " " + pars);
+                };
+
+
+                #region dr ot entity
+                db.IgnoreColumns.Add("TestId", "Student");
+                var s1 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Name = it.Name, Student = it }).ToList();
+                var s2 = db.Queryable<Student>().Select(it => new { id = it.Id, w = new { x = it } }).ToList();
+                var s3 = db.Queryable<Student>().Select(it => new { newid = it.Id }).ToList();
+                var s4 = db.Queryable<Student>().Select(it => new { newid = it.Id, obj = it }).ToList();
+                var s5 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Student = it, Name = it.Name }).ToList();
+                #endregion
+
+
+                #region sql and parameters validate
+                var t1 = db.Queryable<Student, School>((st, sc) => new object[] {
+                    JoinType.Inner,st.Id==sc.Id
+                }).GroupBy(st => st.Id).Having(st => SqlFunc.AggregateAvg(st.Id) == 1).Select(st => new { avgId = SqlFunc.AggregateAvg(st.Id) }).ToSql();
+                base.Check("SELECT  AVG([st].[ID]) AS [avgId]  FROM [STudent] st Inner JOIN School sc ON ( [st].[ID] = [sc].[Id] )  GROUP BY [st].[ID] HAVING (AVG([st].[ID]) = @Const0 ) ",
+                    new List<SugarParameter>() {
+                      new SugarParameter("@Const0",1)
+                    }
+                    ,
+                    t1.Key, t1.Value, " select t1 Error");
+
+
+                var t2 = db.Queryable<School, School>((st, st2) => new object[] {
+                           JoinType.Left,st.Id==st2.Id
+                    })
+                          .Where(st => st.Id > 0)
+                          .Select((st, st2) => new { stid = st.Id, scId = st2.Id, xx = st }).ToSql();
+
+                base.Check("SELECT  [st].[Id] AS [stid] , [st2].[Id] AS [scId] , [st].[Id] AS [School.Id] , [st].[Name] AS [School.Name]  FROM [School] st Left JOIN School st2 ON ( [st].[Id] = [st2].[Id] )   WHERE ( [st].[Id] > @Id0 ) "
+                    , new List<SugarParameter>() {
+                        new SugarParameter("@Id0",0)
+                    }, t2.Key, t2.Value, "select t2  Error");
+
+
+                var t3 = db.Queryable<Student, School, School>((st, sc, sc2) => new object[] {
+                          JoinType.Left,st.SchoolId==sc.Id,
+                          JoinType.Left,sc2.Id==sc.Id
+                }).Where(st => st.Id > 0)
+                .Select<School>((st) => new School() { Id = st.Id }).ToSql();
+                base.Check("SELECT  [st].[ID] AS [Id]  FROM [STudent] st Left JOIN School sc ON ( [st].[SchoolId] = [sc].[Id] )  Left JOIN School sc2 ON ( [sc2].[Id] = [sc].[Id] )   WHERE ( [st].[ID] > @Id0 ) ",
+                   new List<SugarParameter>() {
+                        new SugarParameter("@Id0",0)
+                    }, t3.Key, t3.Value, "select t3 Error");
+                #endregion
+
+
+            }
+        }
+
+        public SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { ConnectionString = Config.ConnectionString, DbType = DbType.SqlServer });
+            return db;
+        }
+    }
+}