Update demo

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

@@ -0,0 +1,87 @@
+using SqlSeverTest.UserTestCases;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Xml;
+
+namespace OrmTest
+{
+    internal class EntityInfoTest
+    {
+        public static void Init()
+        {
+            for (int i = 0; i < 100; i++)
+            {
+                var db = new SqlSugarClient(new List<ConnectionConfig>()
+            {
+             //这儿声名所有上下文都生效
+             new ConnectionConfig(){ConfigId="0",
+             ConfigureExternalServices=new ConfigureExternalServices(){
+              EntityService=(x,y)=>{ y.IsPrimarykey=true; }
+             },
+                 DbType=DbType.SqlServer,ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true},
+             new ConnectionConfig(){ConfigId="1",
+               ConfigureExternalServices=new ConfigureExternalServices(){
+              EntityService=(x,y)=>{ y.IsIdentity=true; }
+             },DbType=DbType.SqlServer,ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true  }
+            });
+
+                if (db.GetConnection("0").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != false
+                    || db.GetConnection("0").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != true)
+                {
+                    throw new Exception("unit error");
+                }
+
+                if (db.GetConnection("1").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != true
+               || db.GetConnection("1").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != false)
+                {
+                    throw new Exception("unit error");
+                }
+
+                if (db.EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != false
+                   || db.EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != true)
+                {
+                    throw new Exception("unit error");
+                }
+                db = NewUnitTest.Db;
+
+                db.CodeFirst.InitTables<Unitadfafa11>();
+                db.Insertable(new Unitadfafa11() { dob = 1.11 }).ExecuteCommand();
+                db.Queryable<Unitadfafa11>()
+                    .Select(IT => new Unitadfafa1DTO()
+                    {
+                         dob=(IT.dob??0).ToString("0.0")
+                    }).ToList();
+
+                var sql = db.Queryable<Order>()
+               .Select(it => new {
+                   //num=SqlFunc.Subqueryable<OrderItem>().Where(s=>s.OrderId==it.Id).Sum(s=>s.Price)??0,
+                   //num2 =SqlFunc.IsNull( SqlFunc.Subqueryable<OrderItem>().Where(s => s.OrderId == it.Id).Sum(s => s.Price),0) ,
+                   num3 = SqlFunc.Subqueryable<OrderItem>().Where(s => s.OrderId == it.Id).Sum(s => s.Price) + it.Id
+               }).ToSqlString();
+                if (sql != "SELECT  ((SELECT SUM([Price]) FROM [OrderDetail] [s]  WHERE ( [OrderId] = [it].[Id] )) + [it].[Id] ) AS [num3]  FROM [Order] [it] ") 
+                {
+                    throw new Exception("unit error");
+                }
+                db.Queryable<Order>().OrderBy(it => SqlFunc.Desc(it.Id)).ToList();
+            }
+        }
+    }
+    public class Unitadfafa1DTO
+    {
+        [SugarColumn(ColumnDataType = "double")]
+        public string dob { get; set; }
+    }
+    public class Unitadfafa11
+    {
+        [SugarColumn(ColumnDataType = "float", IsNullable =true)]
+        public double? dob { get; set; }
+    }
+    public class classTest 
+    {
+        public string Id { get; set; }
+    }
+}