SqlSugar/Src/Asp.NetCore2/PgSqlTest/UnitTest/UCodeFirst.cs

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

namespace OrmTest
{
    public partial class NewUnitTest
    {
        public static void CodeFirst()
        {
            if (Db.DbMaintenance.IsAnyTable("UnitCodeTest1", false))
                Db.DbMaintenance.DropTable("UnitCodeTest1");
            Db.CodeFirst.InitTables<UnitCodeTest1>();
            Db.CodeFirst.InitTables<UnitIndextest>();
            var db = Db;
            db.CurrentConnectionConfig.MoreSettings = new ConnMoreSettings()
            {
                PgSqlIsAutoToLower = false,
                PgSqlIsAutoToLowerCodeFirst = false
            };
            db.CodeFirst.InitTables<UpperOrder, UpperItem>();
            var list = db.Queryable<UpperOrder>().LeftJoin<UpperOrder>((X1, Y1) =>
              X1.Id == Y1.Id)
                .Where(X1 => X1.Id == 1)
                .Select(X1 => new {
                    x1 = X1.Id,
                    x2 = X1.Name
                }).ToList();

            var list2 = db.Queryable<UpperOrder>().LeftJoin<UpperItem>((X1, Y1) =>
           X1.Id == Y1.Id)
             .Where(X1 => X1.Id == 1)
             .Select<VUpperOrder>().ToList();
        }

        public class VUpperOrder
        {
            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
            public int Id { get; set; }

            public string Name { get; set; }
            public decimal Price { get; set; }
        
            public DateTime UpperItemCreateTime { get; set; }
            public int UpperItemCustomId { get; set; }

        }
        public class UpperOrder
        {
            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
            public int Id { get; set; }

            public string Name { get; set; }
            public decimal Price { get; set; }
            [SugarColumn(IsNullable = true)]
            public DateTime CreateTime { get; set; }
            [SugarColumn(IsNullable = true)]
            public int CustomId { get; set; }
            [SugarColumn(IsIgnore = true)]
            public List<OrderItem> Items { get; set; }
        }

        public class UpperItem
        {
            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
            public int Id { get; set; }

            public string Name { get; set; }
            public decimal Price { get; set; }
            [SugarColumn(IsNullable = true)]
            public DateTime CreateTime { get; set; }
            [SugarColumn(IsNullable = true)]
            public int CustomId { get; set; }
            [SugarColumn(IsIgnore = true)]
            public List<OrderItem> Items { get; set; }
        }
        [SqlSugar.SugarIndex("UnitIndextestIndex", nameof(UnitIndextest.Table), SqlSugar.OrderByType.Asc)]
        public class UnitIndextest
        {
            public string Table { get; set; }
            public string Id { get; set; }
        }
        public class UnitCodeTest1
        {
            [SqlSugar.SugarColumn(IndexGroupNameList = new string[] { "group1" })]
            public int Id { get; set; }
            [SqlSugar.SugarColumn(DefaultValue= "now()", IndexGroupNameList =new string[] {"group1" } )]
            public DateTime? CreateDate { get; set; }
        }
    }
}