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Update demo

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sunkaixuan
2022-07-30 14:58:21 +08:00
parent 879e9dcfcb
commit 7b49419f78
6 changed files with 49 additions and 169 deletions
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88
Src/Asp.NetCore2/QuestDbTest/Demo/Demo1_Queryable.cs
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@@ -18,7 +18,6 @@ namespace OrmTest
JoinTable();
Async();
NoEntity();
Mapper();
SqlFuncTest();
Subquery();
ReturnType();
@@ -31,29 +30,29 @@ namespace OrmTest
var db = GetInstance();
var dbTime = db.GetDate();
var getAll = db.Queryable<Order>().ToList();
var getLike = db.Queryable<Order>().Where(it=>it.Name.Contains("order1")).ToList();
var getYYYY = db.Queryable<Order>().Select(it => it.CreateTime.ToString("yyyy-MM-dd")).ToList();
var getOrderBy = db.Queryable<Order>().OrderBy(it => it.Name,OrderByType.Desc).ToList();
var getOrderBy2 = db.Queryable<Order>().OrderBy(it => it.Id).OrderBy(it => it.Name, OrderByType.Desc).ToList();
var getOrderBy3 = db.Queryable<Order>().OrderBy(it =>new { it.Name,it.Id}).ToList();
var getRandom = db.Queryable<Order>().OrderBy(it => SqlFunc.GetRandom()).First();
//var getRandom = db.Queryable<Order>().OrderBy(it => SqlFunc.GetRandom()).First();
var getByPrimaryKey = db.Queryable<Order>().InSingle(2);
var getSingleOrDefault = db.Queryable<Order>().Where(it => it.Id == 1).Single();
var getFirstOrDefault = db.Queryable<Order>().First();
var getByWhere = db.Queryable<Order>().Where(it => it.Id == 1 || it.Name == "a").ToList();
var getByWhere2 = db.Queryable<Order>().Where(it => it.Id == DateTime.Now.Year).ToList();
var getByFuns = db.Queryable<Order>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
var getByFuns2 = db.Queryable<Order>().GroupBy(it => it.Name).Select(it => SqlFunc.AggregateDistinctCount(it.Price)).ToList();
// var getByFuns2 = db.Queryable<Order>().GroupBy(it => it.Name).Select(it => SqlFunc.AggregateDistinctCount(it.Price)).ToList();
var btime = Convert.ToDateTime("2021-1-1");
var etime = Convert.ToDateTime("2022-1-12");
var test01 = db.Queryable<Order>().Select(it => SqlFunc.DateDiff(DateType.Year,btime, etime)).ToList();
var test02 = db.Queryable<Order>().Select(it => SqlFunc.DateDiff(DateType.Day, btime, etime)).ToList();
var test03 = db.Queryable<Order>().Select(it => SqlFunc.DateDiff(DateType.Month, btime, etime)).ToList();
var test04 = db.Queryable<Order>().Select(it => SqlFunc.DateDiff(DateType.Second, DateTime.Now, DateTime.Now.AddMinutes(2))).ToList();
//var test04 = db.Queryable<Order>().Select(it => SqlFunc.DateDiff(DateType.Second, DateTime.Now, DateTime.Now.AddMinutes(2))).ToList();
var q1 = db.Queryable<Order>().Take(1);
var q2 = db.Queryable<Order>().Take(2);
var test05 = db.UnionAll(q1, q2).ToList();
var test06 = db.Queryable<Order>().
Where(it => it.Price == 0 ? true : it.Name == it.Name)
.ToList();
var test06 = db.Queryable<Order>().ToList();
Console.WriteLine("#### Examples End ####");
Console.WriteLine("#### Examples End ####");
}
@@ -120,11 +119,11 @@ namespace OrmTest
Console.WriteLine("#### Subquery Start ####");
var db = GetInstance();
var list = db.Queryable<Order>().Take(10).Select(it => new
{
customName=SqlFunc.Subqueryable<Custom>().Where("it.CustomId=id").Select(s=>s.Name),
customName2 = SqlFunc.Subqueryable<Custom>().Where("it.CustomId = id").Where(s => true).Select(s => s.Name)
}).ToList();
//var list = db.Queryable<Order>().Take(10).Select(it => new
//{
// customName=SqlFunc.Subqueryable<Custom>().Where("it.CustomId=id").Select(s=>s.Name),
// customName2 = SqlFunc.Subqueryable<Custom>().Where("it.CustomId = id").Where(s => true).Select(s => s.Name)
//}).ToList();
var list2 = db.Queryable<Order>().Where(it => SqlFunc.Subqueryable<OrderItem>().Where(i => i.OrderId == it.Id).Any()).ToList();
@@ -137,11 +136,11 @@ namespace OrmTest
Console.WriteLine("#### SqlFunc Start ####");
var db = GetInstance();
var index= db.Queryable<Order>().Select(it => SqlFunc.Contains("a", "cccacc")).First();
var list = db.Queryable<Order>().Select(it => new ViewOrder()
{
//var list = db.Queryable<Order>().Select(it => new ViewOrder()
//{
Id = SqlFunc.AggregateSum(SqlFunc.IF(it.Id > 0).Return(1).End(0))
}).ToList();
// Id = SqlFunc.AggregateSum(SqlFunc.IF(it.Id > 0).Return(1).End(0))
//}).ToList();
var list2 = db.Queryable<Order>().Select(it => new
{
date = SqlFunc.ToDateShort(it.CreateTime),
@@ -149,62 +148,7 @@ namespace OrmTest
}).ToList();
Console.WriteLine("#### SqlFunc End ####");
}
private static void Mapper()
{
Console.WriteLine("");
Console.WriteLine("#### Mapper Start ####");
var db = GetInstance();
//Creater Table
db.CodeFirst.InitTables(typeof(Tree));
db.DbMaintenance.TruncateTable("tree");
db.Insertable(new Tree() { Id = 1, Name = "root" }).ExecuteCommand();
db.Insertable(new Tree() { Id = 11, Name = "child1",ParentId=1 }).ExecuteCommand();
db.Insertable(new Tree() { Id = 12, Name = "child2",ParentId=1 }).ExecuteCommand();
db.Insertable(new Tree() { Id = 2, Name = "root" }).ExecuteCommand();
db.Insertable(new Tree() { Id = 22, Name = "child3", ParentId = 2 }).ExecuteCommand();
// Same property name mapping,Both entities have parentId
var list = db.Queryable<Tree>().Mapper(it => it.Parent, it => it.ParentId).ToList();
//If both entities have parentId, I don't want to associate with parentId.
var list1 =db.Queryable<Tree>()
//parent=(select * from parent where id=it.parentid)
.Mapper(it=>it.Parent,it=>it.ParentId, it=>it.Parent.Id)
//Child=(select * from parent where ParentId=it.id)
.Mapper(it => it.Child, it => it.Id, it => it.Parent.ParentId)
.ToList();
//one to one
var list2 = db.Queryable<OrderItemInfo>().Mapper(it => it.Order, it => it.OrderId).ToList();
//one to many
var list3 = db.Queryable<Order>().Mapper(it => it.Items, it => it.Items.First().OrderId).ToList();
//many to many
db.CodeFirst.InitTables<A, B, ABMapping>();
db.Insertable(new A() { Name = "A" }).ExecuteCommand();
db.Insertable(new B() { Name = "B" }).ExecuteCommand();
db.Insertable(new ABMapping() { AId = 1, BId = 1 }).ExecuteCommand();
var list4 = db.Queryable<ABMapping>()
.Mapper(it => it.A, it => it.AId)
.Mapper(it => it.B, it => it.BId)
.Where(it => it.A.Id == 1).ToList();
//Manual mode
var result = db.Queryable<OrderInfo>().Take(10).Select<ViewOrder>().Mapper((itemModel, cache) =>
{
var allItems = cache.Get(orderList => {
var allIds = orderList.Select(it => it.Id).ToList();
return db.Queryable<OrderItem>().Where(it => allIds.Contains(it.OrderId)).ToList();//Execute only once
});
itemModel.Items = allItems.Where(it => it.OrderId==itemModel.Id).ToList();//Every time it's executed
}).ToList();
Console.WriteLine("#### End Start ####");
}
private static void NoEntity()
{