Update Demo

This commit is contained in:
sunkaixuan 2019-04-26 21:42:34 +08:00
parent 11ea0b6369
commit e775eb810c

View File

@ -530,36 +530,36 @@ namespace OrmTest.Demo
{
var db = GetInstance();
//join 2
var list = db.Queryable<Student, School>((st, sc) => new object[] {
var list = db.Queryable<Student, School>((st, sc) =>new JoinQueryInfos(
JoinType.Left,st.SchoolId==sc.Id
})
))
.Where(st => st.Name == "jack").ToList();
//join 3
var list2 = db.Queryable<Student, School, Student>((st, sc, st2) => new object[] {
var list2 = db.Queryable<Student, School, Student>((st, sc, st2) => new JoinQueryInfos(
JoinType.Left,st.SchoolId==sc.Id,
JoinType.Left,st.SchoolId==st2.Id
})
))
.Where((st, sc, st2) => st2.Id == 1 || sc.Id == 1 || st.Id == 1).With(SqlWith.NoLock).ToList();
//join return List<ViewModelStudent>
var list3 = db.Queryable<Student, School>((st, sc) => new object[] {
var list3 = db.Queryable<Student, School>((st, sc) => new JoinQueryInfos(
JoinType.Left,st.SchoolId==sc.Id
}).Select((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
)).Select((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
//join Order By (order by st.id desc,sc.id desc)
var list4 = db.Queryable<Student, School>((st, sc) => new object[] {
var list4 = db.Queryable<Student, School>((st, sc) =>new JoinQueryInfos (
JoinType.Left,st.SchoolId==sc.Id
})
))
.OrderBy(st => st.Id, OrderByType.Desc)
.OrderBy((st, sc) => sc.Id, OrderByType.Desc)
.Select((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
//join 2
var list4_1 = db.Queryable<Student, School>((st, sc) => new object[] {
var list4_1 = db.Queryable<Student, School>((st, sc) => new JoinQueryInfos(
JoinType.Left,st.SchoolId==sc.Id&& st.Name == "jack"
}).ToList();
)).ToList();
//The simple use of Join 2 table