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Update demo

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sunkaixuan 2022-04-10 02:30:40 +08:00
parent dbe9092b3a
commit c48af3933f
2 changed files with 36 additions and 1 deletions
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19
Src/Asp.Net/MySqlTest/Demo/Demo1_Queryable.cs
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@ -353,7 +353,24 @@ namespace OrmTest
var query2 = db.Queryable<Order>().Where(it => it.Id == 1);
var list7 = query2.Clone().Where(it => it.Name == "jack").ToList();//id=1 and name = jack
var list8 = query2.Clone().Where(it => it.Name == "tom").ToList();//id=1 and name = tom
//无限级高性能导航映射
var treeRoot = db.Queryable<Tree>().Where(it => it.Id == 1).ToList();
db.ThenMapper(treeRoot, item =>
{
item.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => item.Id, item).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child).SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child).SelectMany(it => it.Child).SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
Console.WriteLine("#### Condition Screening End ####");

18
Src/Asp.Net/PgSqlTest/Demo/Demo1_Queryable.cs
View File

@ -317,6 +317,24 @@ namespace OrmTest
var list7 = query2.Clone().Where(it => it.Name == "jack").ToList();//id=1 and name = jack
var list8 = query2.Clone().Where(it => it.Name == "tom").ToList();//id=1 and name = tom
//无限级高性能导航映射
var treeRoot = db.Queryable<Tree>().Where(it => it.Id == 1).ToList();
db.ThenMapper(treeRoot, item =>
{
item.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => item.Id, item).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child).SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
db.ThenMapper(treeRoot.SelectMany(it => it.Child).SelectMany(it => it.Child).SelectMany(it => it.Child), it =>
{
it.Child = db.Queryable<Tree>().SetContext(x => x.ParentId, () => it.Id, it).ToList();
});
Console.WriteLine("#### Condition Screening End ####");