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sunkaixuan
2018-10-14 15:54:18 +08:00
parent f2623ac8bc
commit 64542acb2f
2 changed files with 10 additions and 0 deletions
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9
Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
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@@ -41,6 +41,15 @@ namespace OrmTest.Demo
{
var db = GetInstance();
var i = 0;
var sumflat2num = db.Queryable<Student, Student>((s1, s2) =>
new object[] { JoinType.Left, s1.Id == s2.Id })
.Select((s1, s2) => new Student
{ Id = SqlFunc.IsNull(SqlFunc.AggregateSum(SqlFunc.IIF(s1.Id ==1, s1.Id, s1.Id * -1)), 0) })
.First();
var getAll11 = db.Queryable<Student>().Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.Id).Max(s=>s.Id)==i).ToList();
var getAll12 = db.Queryable<Student>().Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.Id).Max(s => s.Id) == 1).ToList();
var getAll7 = db.Queryable<Student>().Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.Id).Any()).ToList();