ShowEasy/EuroTran/SqlServerTest/Demos/D_QueryableView.cs

using OrmTest.Models;
using SqlSugar;

namespace OrmTest.Demo
{
    public class QueryableView : DemoBase
    {
        public static void Init()
        {
            var db = GetInstance();
            var q1 = db.Queryable<Student, School>((st, sc) => new object[] {
                JoinType.Left,st.SchoolId==sc.Id
            }).Select((st, sc) => new ViewModelStudent4() { Id = st.Id, Name = st.Name, SchoolName = sc.Name });

            var q2 = db.Queryable<School>();

            var innerJoinList = db.Queryable(q1, q2, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToList();//inner join
            var innerJoinList2 = db.Queryable(q1, q2, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToSql();//inner join

            var leftJoinList = db.Queryable(q1, q2, JoinType.Left, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToList();//left join
            var leftJoinList1 = db.Queryable(q1, q2, JoinType.Left, (j1, j2) => j1.Id == j2.Id).Select((j1, j2) => j1).ToSql();//left join
        }
    }

    public class ViewModelStudent4
    {
        public int Id { get; set; }
        public string SchoolName { get; set; }
        public string Name { get; set; }
    }
}