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Update mongodb

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sunkaixuan 2025-06-27 16:22:17 +08:00
parent a65c2740c3
commit feb5d298e1
1 changed files with 31 additions and 5 deletions
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34
Src/Asp.NetCore2/MongoDbTest/UnitTest/QueryLeftJoin.cs
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@ -31,12 +31,38 @@ namespace MongoDbTest
db.Updateable(db.Queryable<Student>().First(it => it.SchoolId == ids.Last())).ExecuteCommand(); db.Updateable(db.Queryable<Student>().First(it => it.SchoolId == ids.Last())).ExecuteCommand();
if (db.Queryable<Student>().First(it => it.SchoolId == ids.Last()).Name != "TestStudent") Cases.ThrowUnitError(); if (db.Queryable<Student>().First(it => it.SchoolId == ids.Last()).Name != "TestStudent") Cases.ThrowUnitError();
//var list=db.Queryable<Student>() var adoTest= db.Ado.GetDataTable(@"aggregate UnitStudent123131 [
{
$lookup: {
from: ""UnitSchool123131"",
localField: ""SchoolId"",
foreignField: ""_id"",
as: ""y""
}
},
{
$unwind: {
path: ""$y"",
preserveNullAndEmptyArrays: true
}
},
{
$project: {
_id: 0,
StudentName: ""$Name"",
SchoolName: {
$ifNull: [""$y.Name"", null]
}
}
}
]");
//var list = db.Queryable<Student>()
// .LeftJoin<School>((x, y) => x.SchoolId == y.Id) // .LeftJoin<School>((x, y) => x.SchoolId == y.Id)
// .Where((x,y)=>x.Name =="a"||y.Name=="a") // .Select((x,y) => new
// .Select(x => new
// { // {
// id=x.Name // StudentName= x.Name,
// SchoolName= y.Name
// }).ToList(); // }).ToList();
} }
[SqlSugar.SugarTable("UnitStudent123131")] [SqlSugar.SugarTable("UnitStudent123131")]