SqlSugar/Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs

using SqlSugar;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MongoDbTest
{
    public class OrmTest
    {
        public static void Init()
        {
            var db = DbHelper.GetNewDb();
            db.Insertable(new OrderInfo() { CreateTime = DateTime.Now, Name = "a", Price = 1 })
            .ExecuteCommand();
            var ids = db.Insertable(new List<OrderInfo>(){
                new OrderInfo() { CreateTime = DateTime.Now, Name = "a1", Price = 2 },
                new OrderInfo() { CreateTime = DateTime.Now, Name = "a2", Price = 3 }})
           .ExecuteReturnPkList<string>();


            var updateRow1 = db.Updateable(new OrderInfo
            {
                Id = ids.First(),
                Name = "a3",
                Price = 11
            }
            )
            .ExecuteCommand();

            var updateRow2 = db.Updateable(new List<OrderInfo>() 
            {
                new OrderInfo() { Id = ids.First(),Name="a31",Price=11},
                new OrderInfo() { Id = ids.Last(),Name="a41"}
            })
           .ExecuteCommand();


            var updateRow3= db.Updateable<OrderInfo>()
             .SetColumns(it=>it.Name=="xx")
             .Where(it=> it.Id == ids.Last())
            .ExecuteCommand();

            var updateRow4 = db.Updateable<OrderInfo>()
             .SetColumns(it => it.CreateTime == DateTime.Now) 
             .SetColumns(it => it.Name == "xx")
             .Where(it => it.Id == ids.Last())
             .ExecuteCommand();

            var updateRow5 = db.Updateable<OrderInfo>()
               .SetColumns(it =>new OrderInfo{ Name="aa", CreateTime = DateTime.Now}) 
               .Where(it => it.Id == ids.Last())
               .ExecuteCommand();


            var updateRow6 = db.Updateable<OrderInfo>()
                .SetColumns(it => new OrderInfo { Name = it.Name, CreateTime = DateTime.Now })
                .Where(it => it.Id == ids.Last())
                .ExecuteCommand();


            var updateRow7 = db.Updateable<OrderInfo>()
             .SetColumns(it => new OrderInfo { Name = it.Name+"a", CreateTime = DateTime.Now })
             .Where(it => it.Id == ids.Last())
             .ExecuteCommand();


            var delrow = db.Deleteable(new OrderInfo() { Id = ids.Last() })
              .ExecuteCommand();

            var delrow2 = db.Deleteable<OrderInfo>()
            .In(new string[] { ids.Last(),ids.First() })
            .ExecuteCommand();

            var delrow3 = db.Deleteable<OrderInfo>()
           .Where(it=>it.Id==ids.Last() )
           .ExecuteCommand();

            var list = db.Queryable<OrderInfo>().ToDataTable();
             
            var list2 = db.Queryable<OrderInfo>().Where(it=>it.Name=="a3"&&it.Price==11).ToList();

            var list3= db.Queryable<OrderInfo>().Skip(1).Take(1).ToList();

            var list4 = db.Queryable<OrderInfo>().OrderByDescending(it=>it.Price).ToList();

            var list5 = db.Queryable<OrderInfo>().OrderByDescending(it => it.Price).ToList();

            var list6 = db.Queryable<OrderInfo>().OrderBy(it => new { it.Id,Name=it.Name }).ToList();

            var list7 = db.Queryable<OrderInfo>().OrderByDescending(it => new { it.Id, Name = it.Name }).ToList();

            var list8= db.Queryable<OrderInfo>().OrderBy(it => new { it.Id, Name = it.Name },OrderByType.Desc).ToList();

            var list9 = db.Queryable<OrderInfo>().OrderBy(it=>it.Name).OrderByDescending(it => it.Price).ToList();

            var list10 = db.Queryable<OrderInfo>()
                .Select(it=>new OrderInfo() { 
                   Id=it.Id,
                   Name=it.Name
                }).ToDataTable();

            var list11 = db.Queryable<OrderInfo>() 
                            .Select(it => new
                            {
                                Id = it.Id,
                                Name = it.Name
                            }).ToList();

            var list12 = db.Queryable<OrderInfo>()
                       .Select(it => new
                       {
                           Id = it.Id,
                           Name = it.Name+"b",
                           Name2 =   "b"+it.Name
                       }).ToDataTable();

            var list13 = db.Queryable<OrderInfo>()
                   .GroupBy(it => it.Name)
                   .Select(it => new
                   {
                       key = it.Name,
                       groupCount = SqlFunc.AggregateCount(it.Id),
                       max=SqlFunc.AggregateMax(it.Id),
                       min=SqlFunc.AggregateMin(it.Id)
                   }).ToList();

            var list14 = db.Queryable<OrderInfo>()
               .GroupBy(it => new { it.Name ,it.Price })
               .Select(it => new
               {
                   key = it.Name,
                   Prie=it.Price,
                   groupCount = SqlFunc.AggregateCount(it.Id),
                   max = SqlFunc.AggregateMax(it.Id),
                   min = SqlFunc.AggregateMin(it.Id)
               }).ToList();
            //测试生成SQL性能
            TestSqlBuilder(db);
        }

        private static void TestSqlBuilder(SqlSugar.SqlSugarClient db)
        {
            for (int i = 0; i < 10000; i++)
            {
                db.Insertable(new OrderInfo() { CreateTime = DateTime.Now, Name = "a", Price = 1 })
                 .ToSql();
            }
        }
    }
}