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- 优化 导航集合属性访问，可省略 AsSelect；#15 #300 #362 #509 #698 #644 #903

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2881099 2022-04-27 20:27:24 +08:00
parent dcf7b9668f
commit f76a46f383
20 changed files with 1947 additions and 346 deletions
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56
Examples/base_entity/Program.cs
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@ -23,7 +23,7 @@ using System.Threading.Tasks;
namespace base_entity
{
class Program
static class Program
{
class TestConfig
{
@ -196,6 +196,17 @@ namespace base_entity
fsql.UseJsonMap();
//var txt1 = fsql.Ado.Query<(string, string)>("select '꧁꫞꯭丑小鸭꫞꧂', '123123中国人' from dual");
fsql.Insert(new Order { ShippingAddress = "'꧁꫞꯭丑小鸭꫞꧂'" }).ExecuteAffrows();
fsql.Insert(new Order { ShippingAddress = "'123123中国人'" }).ExecuteAffrows();
var lst1 = fsql.Select<Order>().ToList();
var lst2 = fsql.Select<Order>().ToListIgnore(a => new
{
a.ShippingAddress
});
fsql.Delete<TopicMapTypeToListDto>().Where("1=1").ExecuteAffrows();
fsql.Insert(new[]
{
@ -794,5 +805,48 @@ namespace base_entity
Console.WriteLine("按任意键结束。。。");
Console.ReadKey();
}
public static List<T1> ToListIgnore<T1>(this ISelect<T1> that, Expression<Func<T1, object>> selector)
{
if (selector == null) return that.ToList();
var s0p = that as Select0Provider;
var tb = s0p._tables[0];
var parmExp = tb.Parameter ?? Expression.Parameter(tb.Table.Type, tb.Alias);
var initExps = tb.Table.Columns.Values
.Where(a => a.Attribute.IsIgnore == false)
.Select(a => new
{
exp = Expression.Bind(tb.Table.Properties[a.CsName], Expression.MakeMemberAccess(parmExp, tb.Table.Properties[a.CsName])),
ignored = TestMemberExpressionVisitor.IsExists(selector, Expression.MakeMemberAccess(parmExp, tb.Table.Properties[a.CsName]))
})
.Where(a => a.ignored == false)
.Select(a => a.exp)
.ToArray();
var lambda = Expression.Lambda<Func<T1, T1>>(
Expression.MemberInit(
Expression.New(tb.Table.Type),
initExps
),
parmExp
);
return that.ToList(lambda);
}
class TestMemberExpressionVisitor : ExpressionVisitor
{
public string MemberExpString;
public bool Result { get; private set; }
public static bool IsExists(Expression selector, Expression memberExp)
{
var visitor = new TestMemberExpressionVisitor { MemberExpString = memberExp.ToString() };
visitor.Visit(selector);
return visitor.Result;
}
protected override Expression VisitMember(MemberExpression node)
{
if (!Result && node.ToString() == MemberExpString) Result = true;
return node;
}
}
}
}

8
Examples/orm_vs/Properties/launchSettings.json Normal file
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@ -0,0 +1,8 @@
{
"profiles": {
"WSL": {
"commandName": "WSL2",
"distributionName": ""
}
}
}

95
Extensions/FreeSql.Extensions.Linq/ExprHelper.cs
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@ -1,95 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq.Expressions;
using System.Linq;
using System.Reflection;
namespace FreeSql.Extensions.Linq
{
public static class ExprHelper
{
public static object GetConstExprValue(this Expression exp)
{
if (exp.IsParameter()) return null;
var expStack = new Stack<Expression>();
var exp2 = exp;
while (true)
{
switch (exp2?.NodeType)
{
case ExpressionType.Constant:
expStack.Push(exp2);
break;
case ExpressionType.MemberAccess:
expStack.Push(exp2);
exp2 = (exp2 as MemberExpression).Expression;
if (exp2 == null) break;
continue;
case ExpressionType.Call:
return Expression.Lambda(exp).Compile().DynamicInvoke();
case ExpressionType.TypeAs:
case ExpressionType.Convert:
var oper2 = (exp2 as UnaryExpression).Operand;
if (oper2.NodeType == ExpressionType.Parameter)
{
var oper2Parm = oper2 as ParameterExpression;
expStack.Push(exp2.Type.IsAbstract || exp2.Type.IsInterface ? oper2Parm : Expression.Parameter(exp2.Type, oper2Parm.Name));
}
else
expStack.Push(oper2);
break;
}
break;
}
object firstValue = null;
switch (expStack.First().NodeType)
{
case ExpressionType.Constant:
var expStackFirst = expStack.Pop() as ConstantExpression;
firstValue = expStackFirst?.Value;
break;
case ExpressionType.MemberAccess:
var expStackFirstMem = expStack.First() as MemberExpression;
if (expStackFirstMem.Expression?.NodeType == ExpressionType.Constant)
firstValue = (expStackFirstMem.Expression as ConstantExpression)?.Value;
else
return Expression.Lambda(exp).Compile().DynamicInvoke();
break;
}
while (expStack.Any())
{
var expStackItem = expStack.Pop();
switch (expStackItem.NodeType)
{
case ExpressionType.MemberAccess:
var memExp = expStackItem as MemberExpression;
if (memExp.Member.MemberType == MemberTypes.Property)
firstValue = ((PropertyInfo)memExp.Member).GetValue(firstValue, null);
else if (memExp.Member.MemberType == MemberTypes.Field)
firstValue = ((FieldInfo)memExp.Member).GetValue(firstValue);
break;
}
}
return firstValue;
}
public static bool IsParameter(this Expression exp)
{
var test = new TestParameterExpressionVisitor();
test.Visit(exp);
return test.Result;
}
internal class TestParameterExpressionVisitor : ExpressionVisitor
{
public bool Result { get; private set; }
protected override Expression VisitParameter(ParameterExpression node)
{
if (!Result) Result = true;
return node;
}
}
}
}

181
FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
@ -91,35 +91,166 @@ namespace FreeSql.Tests.MySqlConnector
[Fact]
public void AsSelect()
{
var fsql = g.mysql;
//OneToOne、ManyToOne
var t0 = g.mysql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
WHERE (a__Parent__Parent.`Name` = '粤语')", t0);
//OneToMany
var t1 = g.mysql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
limit 0,1))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT t.`Name` as1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10))))", t15);
//ManyToMany
var t2 = g.mysql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ms
WHERE (Mt_Ms.`Song_id` = a.`Id`) AND (exists(SELECT 1
FROM `Tag` t
WHERE (t.`Name` = '国语') AND (t.`Id` = Mt_Ms.`Tag_id`)
limit 0,1))
limit 0,1))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT s.`Title` as1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

165
FreeSql.Tests/FreeSql.Tests/Dameng/Curd/DamengSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using System;
using System.Collections.Generic;
using System.Linq;
@ -83,35 +83,150 @@ namespace FreeSql.Tests.Dameng
[Fact]
public void AsSelect()
{
var fsql = g.dameng;
//OneToOne、ManyToOne
var t0 = g.dameng.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
LEFT JOIN ""TAG"" a__Parent__Parent ON a__Parent__Parent.""ID"" = a__Parent.""PARENT_ID""
WHERE (a__Parent__Parent.""NAME"" = '粤语')", t0);
//OneToMany
var t1 = g.dameng.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t__Parent.""ID"" = 10) AND (t.""PARENT_ID"" = a.""ID"")))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT t.""NAME"" as1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10))))", t15);
//ManyToMany
var t2 = g.dameng.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ms
WHERE (Mt_Ms.""SONG_ID"" = a.""ID"") AND (exists(SELECT 1
FROM ""TAG"" t
WHERE (t.""NAME"" = '国语') AND (t.""ID"" = Mt_Ms.""TAG_ID"")))))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT s.""TITLE"" as1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

165
FreeSql.Tests/FreeSql.Tests/Firebird/Curd/FirebirdSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using System;
using System.Collections.Generic;
using System.Linq;
@ -83,35 +83,150 @@ namespace FreeSql.Tests.Firebird
[Fact]
public void AsSelect()
{
var fsql = g.firebird;
//OneToOne、ManyToOne
var t0 = g.firebird.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
LEFT JOIN ""TAG"" a__Parent__Parent ON a__Parent__Parent.""ID"" = a__Parent.""PARENT_ID""
WHERE (a__Parent__Parent.""NAME"" = '粤语')", t0);
//OneToMany
var t1 = g.firebird.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t__Parent.""ID"" = 10) AND (t.""PARENT_ID"" = a.""ID"")))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT t.""NAME"" as1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10))))", t15);
//ManyToMany
var t2 = g.firebird.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Mt_Ms
WHERE (Mt_Ms.""SONG_ID"" = a.""ID"") AND (exists(SELECT FIRST 1 1
FROM ""TAG"" t
WHERE (t.""NAME"" = '国语') AND (t.""ID"" = Mt_Ms.""TAG_ID"")))))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT FIRST 1 1
FROM ""TAG"" t
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG"" s
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG"" s
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT s.""TITLE"" as1
FROM ""SONG"" s
WHERE (exists(SELECT FIRST 1 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

16
FreeSql.Tests/FreeSql.Tests/Linq/ExprHelperTest.cs
View File

@ -26,16 +26,16 @@ namespace FreeSql.Tests.Linq
[Fact]
public void GetConstExprValue()
{
Assert.Equal(-1, ExprHelper.GetConstExprValue(Expression.Constant(-1)));
Assert.Equal(-2, ExprHelper.GetConstExprValue(Expression.Constant(-2)));
Assert.Equal(0, ExprHelper.GetConstExprValue(Expression.Constant(0)));
Assert.Equal(1, ExprHelper.GetConstExprValue(Expression.Constant(1)));
Assert.Equal(2, ExprHelper.GetConstExprValue(Expression.Constant(2)));
Assert.Equal(-1, Expression.Constant(-1).GetConstExprValue());
Assert.Equal(-2, Expression.Constant(-2).GetConstExprValue());
Assert.Equal(0, Expression.Constant(0).GetConstExprValue());
Assert.Equal(1, Expression.Constant(1).GetConstExprValue());
Assert.Equal(2, Expression.Constant(2).GetConstExprValue());
var arr = new[] { -1, -2, 0, 1, 2 };
for (var a = 0; a < arr.Length; a++)
{
Assert.Equal(arr[a], ExprHelper.GetConstExprValue(Expression.Constant(arr[a])));
Assert.Equal(arr[a], Expression.Constant(arr[a]).GetConstExprValue());
}
var arritems = new[]
@ -48,8 +48,8 @@ namespace FreeSql.Tests.Linq
};
for (var a = 0; a < arr.Length; a++)
{
Assert.Equal(arritems[a].Prop, ExprHelper.GetConstExprValue(Expression.Constant(arritems[a].Prop)));
Assert.Equal(arritems[a].Field, ExprHelper.GetConstExprValue(Expression.Constant(arritems[a].Field)));
Assert.Equal(arritems[a].Prop, Expression.Constant(arritems[a].Prop).GetConstExprValue());
Assert.Equal(arritems[a].Field, Expression.Constant(arritems[a].Field).GetConstExprValue());
}
}

165
FreeSql.Tests/FreeSql.Tests/MsAccess/Curd/MsAccessSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using System;
using System.Collections.Generic;
using System.Linq;
@ -72,35 +72,150 @@ namespace FreeSql.Tests.MsAccess
[Fact]
public void AsSelect()
{
var fsql = g.msaccess;
//OneToOne、ManyToOne
var t0 = g.msaccess.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
//FROM [Tag] a
//LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
//LEFT JOIN [Tag] a__Parent__Parent ON a__Parent__Parent.[Id] = a__Parent.[Parent_id]
//WHERE (a__Parent__Parent.[Name] = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM ([Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id]))
LEFT JOIN [Tag] a__Parent__Parent ON (a__Parent__Parent.[Id] = a__Parent.[Parent_id])
WHERE (a__Parent__Parent.[Name] = '粤语')", t0);
//OneToMany
var t1 = g.msaccess.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
//FROM [Tag] a
//WHERE (exists(SELECT 1
// FROM [Tag] t
// LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
// WHERE (t__Parent.[Id] = 10) AND (t.[Parent_id] = a.[Id])
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t__Parent.[Id] = 10) AND (t.[Parent_id] = a.[Id])))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t.[Parent_id] = a.[Id]) AND (t__Parent.[Id] = 10)))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10)))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t.[Parent_id] = a.[Id]) AND (t__Parent.[Id] = 10)))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10)))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (((a.[Name]) in (SELECT t.[Name] as as1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON (t__Parent.[Id] = t.[Parent_id])
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10))))", t15);
//ManyToMany
var t2 = g.msaccess.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
//FROM [Song] a
//WHERE(exists(SELECT 1
// FROM [Song_tag] Mt_Ms
// WHERE(Mt_Ms.[Song_id] = a.[Id]) AND(exists(SELECT 1
// FROM [Tag] t
// WHERE(t.[Name] = '国语') AND(t.[Id] = Mt_Ms.[Tag_id])
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ms
WHERE (Mt_Ms.[Song_id] = a.[Id]) AND (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (t.[Name] = '国语') AND (t.[Id] = Mt_Ms.[Tag_id])))))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ma
WHERE (Mt_Ma.[Tag_id] = t.[Id]) AND (Mt_Ma.[Song_id] = a.[Id]))) AND (t.[Name] = '国语')))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ma
WHERE (Mt_Ma.[Tag_id] = t.[Id]) AND (Mt_Ma.[Song_id] = a.[Id]))) AND (t.[Name] = '国语')))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (exists(SELECT TOP 1 1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = '中国人')))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (exists(SELECT TOP 1 1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = '中国人')))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as as3, a__Parent.[Parent_id] as as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as as7, a.[Name] as as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON (a__Parent.[Id] = a.[Parent_id])
WHERE (((a.[Name]) in (SELECT s.[Title] as as1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = '中国人'))))", t25);
var t3 = fsql.Select<Song>().First(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

181
FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using FreeSql.Internal.CommonProvider;
using Newtonsoft.Json;
using System;
@ -93,35 +93,166 @@ namespace FreeSql.Tests.MySql
[Fact]
public void AsSelect()
{
var fsql = g.mysql;
//OneToOne、ManyToOne
var t0 = g.mysql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
WHERE (a__Parent__Parent.`Name` = '粤语')", t0);
//OneToMany
var t1 = g.mysql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
limit 0,1))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
FROM `Tag` a
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10)
limit 0,1))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT t.`Name` as1
FROM `Tag` t
LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
WHERE (t.`Parent_id` = a__Parent.`Id`) AND (t__Parent.`Id` = 10))))", t15);
//ManyToMany
var t2 = g.mysql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ms
WHERE (Mt_Ms.`Song_id` = a.`Id`) AND (exists(SELECT 1
FROM `Tag` t
WHERE (t.`Name` = '国语') AND (t.`Id` = Mt_Ms.`Tag_id`)
limit 0,1))
limit 0,1))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
FROM `Song` a
WHERE (exists(SELECT 1
FROM `Tag` t
WHERE (exists(SELECT 1
FROM `Song_tag` Mt_Ma
WHERE (Mt_Ma.`Tag_id` = t.`Id`) AND (Mt_Ma.`Song_id` = a.`Id`)
limit 0,1)) AND (t.`Name` = '国语')
limit 0,1))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (exists(SELECT 1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人')
limit 0,1))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
FROM `Tag` a
LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
WHERE (((a.`Name`) in (SELECT s.`Title` as1
FROM `Song` s
WHERE (exists(SELECT 1
FROM `Song_tag` Ms_Ma__Parent
WHERE (Ms_Ma__Parent.`Song_id` = s.`Id`) AND (Ms_Ma__Parent.`Tag_id` = a__Parent.`Id`)
limit 0,1)) AND (s.`Title` = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

165
FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using System;
using System.Collections.Generic;
using System.Linq;
@ -83,35 +83,150 @@ namespace FreeSql.Tests.Oracle
[Fact]
public void AsSelect()
{
var fsql = g.oracle;
//OneToOne、ManyToOne
var t0 = g.oracle.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
LEFT JOIN ""TAG"" a__Parent__Parent ON a__Parent__Parent.""ID"" = a__Parent.""PARENT_ID""
WHERE (a__Parent__Parent.""NAME"" = '粤语')", t0);
//OneToMany
var t1 = g.oracle.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t__Parent.""ID"" = 10) AND (t.""PARENT_ID"" = a.""ID"")))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a.""DDD"", a.""NAME""
FROM ""TAG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a.""ID"") AND (t__Parent.""ID"" = 10)))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10)))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT t.""NAME"" as1
FROM ""TAG"" t
LEFT JOIN ""TAG"" t__Parent ON t__Parent.""ID"" = t.""PARENT_ID""
WHERE (t.""PARENT_ID"" = a__Parent.""ID"") AND (t__Parent.""ID"" = 10))))", t15);
//ManyToMany
var t2 = g.oracle.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ms
WHERE (Mt_Ms.""SONG_ID"" = a.""ID"") AND (exists(SELECT 1
FROM ""TAG"" t
WHERE (t.""NAME"" = '国语') AND (t.""ID"" = Mt_Ms.""TAG_ID"")))))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""CREATE_TIME"", a.""IS_DELETED"", a.""TITLE"", a.""URL""
FROM ""SONG"" a
WHERE (exists(SELECT 1
FROM ""TAG"" t
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Mt_Ma
WHERE (Mt_Ma.""TAG_ID"" = t.""ID"") AND (Mt_Ma.""SONG_ID"" = a.""ID""))) AND (t.""NAME"" = '国语')))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (exists(SELECT 1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人')))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.""ID"", a.""PARENT_ID"", a__Parent.""ID"" as3, a__Parent.""PARENT_ID"" as4, a__Parent.""DDD"", a__Parent.""NAME"", a.""DDD"" as7, a.""NAME"" as8
FROM ""TAG"" a
LEFT JOIN ""TAG"" a__Parent ON a__Parent.""ID"" = a.""PARENT_ID""
WHERE (((a.""NAME"") in (SELECT s.""TITLE"" as1
FROM ""SONG"" s
WHERE (exists(SELECT 1
FROM ""SONG_TAG"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""SONG_ID"" = s.""ID"") AND (Ms_Ma__Parent.""TAG_ID"" = a__Parent.""ID""))) AND (s.""TITLE"" = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

181
FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using System;
using System.Collections.Generic;
using System.Linq;
@ -73,35 +73,166 @@ namespace FreeSql.Tests.PostgreSQL
[Fact]
public void AsSelect()
{
var fsql = g.pgsql;
//OneToOne、ManyToOne
var t0 = g.pgsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
LEFT JOIN ""tag"" a__Parent__Parent ON a__Parent__Parent.""id"" = a__Parent.""parent_id""
WHERE (a__Parent__Parent.""name"" = '粤语')", t0);
//OneToMany
var t1 = g.pgsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a.""ddd"", a.""name""
FROM ""tag"" a
WHERE (exists(SELECT 1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t__Parent.""id"" = 10) AND (t.""parent_id"" = a.""id"")
limit 1))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a.""ddd"", a.""name""
FROM ""tag"" a
WHERE (exists(SELECT 1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t.""parent_id"" = a.""id"") AND (t__Parent.""id"" = 10)
limit 1))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (exists(SELECT 1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t.""parent_id"" = a__Parent.""id"") AND (t__Parent.""id"" = 10)
limit 1))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a.""ddd"", a.""name""
FROM ""tag"" a
WHERE (exists(SELECT 1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t.""parent_id"" = a.""id"") AND (t__Parent.""id"" = 10)
limit 1))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (exists(SELECT 1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t.""parent_id"" = a__Parent.""id"") AND (t__Parent.""id"" = 10)
limit 1))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (((a.""name"") in (SELECT t.""name"" as1
FROM ""tag"" t
LEFT JOIN ""tag"" t__Parent ON t__Parent.""id"" = t.""parent_id""
WHERE (t.""parent_id"" = a__Parent.""id"") AND (t__Parent.""id"" = 10))))", t15);
//ManyToMany
var t2 = g.pgsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""id"", a.""create_time"", a.""is_deleted"", a.""title"", a.""url""
FROM ""song"" a
WHERE (exists(SELECT 1
FROM ""song_tag"" Mt_Ms
WHERE (Mt_Ms.""song_id"" = a.""id"") AND (exists(SELECT 1
FROM ""tag"" t
WHERE (t.""name"" = '国语') AND (t.""id"" = Mt_Ms.""tag_id"")
limit 1))
limit 1))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""id"", a.""create_time"", a.""is_deleted"", a.""title"", a.""url""
FROM ""song"" a
WHERE (exists(SELECT 1
FROM ""tag"" t
WHERE (exists(SELECT 1
FROM ""song_tag"" Mt_Ma
WHERE (Mt_Ma.""tag_id"" = t.""id"") AND (Mt_Ma.""song_id"" = a.""id"")
limit 1)) AND (t.""name"" = '国语')
limit 1))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.""id"", a.""create_time"", a.""is_deleted"", a.""title"", a.""url""
FROM ""song"" a
WHERE (exists(SELECT 1
FROM ""tag"" t
WHERE (exists(SELECT 1
FROM ""song_tag"" Mt_Ma
WHERE (Mt_Ma.""tag_id"" = t.""id"") AND (Mt_Ma.""song_id"" = a.""id"")
limit 1)) AND (t.""name"" = '国语')
limit 1))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (exists(SELECT 1
FROM ""song"" s
WHERE (exists(SELECT 1
FROM ""song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""song_id"" = s.""id"") AND (Ms_Ma__Parent.""tag_id"" = a__Parent.""id"")
limit 1)) AND (s.""title"" = '中国人')
limit 1))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (exists(SELECT 1
FROM ""song"" s
WHERE (exists(SELECT 1
FROM ""song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""song_id"" = s.""id"") AND (Ms_Ma__Parent.""tag_id"" = a__Parent.""id"")
limit 1)) AND (s.""title"" = '中国人')
limit 1))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.""id"", a.""parent_id"", a__Parent.""id"" as3, a__Parent.""parent_id"" as4, a__Parent.""ddd"", a__Parent.""name"", a.""ddd"" as7, a.""name"" as8
FROM ""tag"" a
LEFT JOIN ""tag"" a__Parent ON a__Parent.""id"" = a.""parent_id""
WHERE (((a.""name"") in (SELECT s.""title"" as1
FROM ""song"" s
WHERE (exists(SELECT 1
FROM ""song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""song_id"" = s.""id"") AND (Ms_Ma__Parent.""tag_id"" = a__Parent.""id"")
limit 1)) AND (s.""title"" = '中国人'))))", t25);
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}
[Fact]

159
FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using FreeSql.Tests.DataContext.SqlServer;
using NetTaste;
using System;
@ -83,40 +83,145 @@ namespace FreeSql.Tests.SqlServer
[Fact]
public void AsSelect()
{
var fsql = g.sqlserver;
//OneToOne、ManyToOne
var t0 = g.sqlserver.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
//FROM [Tag] a
//LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
//LEFT JOIN [Tag] a__Parent__Parent ON a__Parent__Parent.[Id] = a__Parent.[Parent_id]
//WHERE (a__Parent__Parent.[Name] = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
//Assert.Equal(@"", t0);
//OneToMany
var t1 = g.sqlserver.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
//FROM [Tag] a
//WHERE (exists(SELECT 1
// FROM [Tag] t
// LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
// WHERE (t__Parent.[Id] = 10) AND (t.[Parent_id] = a.[Id])
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t__Parent.[Id] = 10) AND (t.[Parent_id] = a.[Id])))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t.[Parent_id] = a.[Id]) AND (t__Parent.[Id] = 10)))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10)))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a.[Ddd], a.[Name]
FROM [Tag] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t.[Parent_id] = a.[Id]) AND (t__Parent.[Id] = 10)))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10)))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (((a.[Name]) in (SELECT t.[Name] as1
FROM [Tag] t
LEFT JOIN [Tag] t__Parent ON t__Parent.[Id] = t.[Parent_id]
WHERE (t.[Parent_id] = a__Parent.[Id]) AND (t__Parent.[Id] = 10))))", t15);
//ManyToMany
var t2 = g.sqlserver.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
//FROM [Song] a
//WHERE(exists(SELECT 1
// FROM [Song_tag] Mt_Ms
// WHERE(Mt_Ms.[Song_id] = a.[Id]) AND(exists(SELECT 1
// FROM [Tag] t
// WHERE(t.[Name] = '国语') AND(t.[Id] = Mt_Ms.[Tag_id])
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ms
WHERE (Mt_Ms.[Song_id] = a.[Id]) AND (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (t.[Name] = N'国语') AND (t.[Id] = Mt_Ms.[Tag_id])))))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ma
WHERE (Mt_Ma.[Tag_id] = t.[Id]) AND (Mt_Ma.[Song_id] = a.[Id]))) AND (t.[Name] = N'国语')))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Create_time], a.[Is_deleted], a.[Title], a.[Url]
FROM [Song] a
WHERE (exists(SELECT TOP 1 1
FROM [Tag] t
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Mt_Ma
WHERE (Mt_Ma.[Tag_id] = t.[Id]) AND (Mt_Ma.[Song_id] = a.[Id]))) AND (t.[Name] = N'国语')))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (exists(SELECT TOP 1 1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = N'中国人')))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (exists(SELECT TOP 1 1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = N'中国人')))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.[Id], a.[Parent_id], a__Parent.[Id] as3, a__Parent.[Parent_id] as4, a__Parent.[Ddd], a__Parent.[Name], a.[Ddd] as7, a.[Name] as8
FROM [Tag] a
LEFT JOIN [Tag] a__Parent ON a__Parent.[Id] = a.[Parent_id]
WHERE (((a.[Name]) in (SELECT s.[Title] as1
FROM [Song] s
WHERE (exists(SELECT TOP 1 1
FROM [Song_tag] Ms_Ma__Parent
WHERE (Ms_Ma__Parent.[Song_id] = s.[Id]) AND (Ms_Ma__Parent.[Tag_id] = a__Parent.[Id]))) AND (s.[Title] = N'中国人'))))", t25);
var t3 = g.sqlserver.Select<Song>().ToList(r => new
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
count = r.Tags.AsSelect().Count()
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}

182
FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
View File

@ -1,4 +1,4 @@
using FreeSql.DataAnnotations;
using FreeSql.DataAnnotations;
using FreeSql.Internal.Model;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
@ -81,45 +81,165 @@ namespace FreeSql.Tests.Sqlite
[Fact]
public void AsSelect()
{
var fsql = g.sqlite;
//OneToOne、ManyToOne
var t0 = g.sqlite.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
//SELECT a.`Id`, a.`Parent_id`, a__Parent.`Id` as3, a__Parent.`Parent_id` as4, a__Parent.`Ddd`, a__Parent.`Name`, a.`Ddd` as7, a.`Name` as8
//FROM `Tag` a
//LEFT JOIN `Tag` a__Parent ON a__Parent.`Id` = a.`Parent_id`
//LEFT JOIN `Tag` a__Parent__Parent ON a__Parent__Parent.`Id` = a__Parent.`Parent_id`
//WHERE (a__Parent__Parent.`Name` = '粤语')
var t0 = fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "粤语").First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
LEFT JOIN ""Tag"" a__Parent__Parent ON a__Parent__Parent.""Id"" = a__Parent.""Parent_id""
WHERE (a__Parent__Parent.""Name"" = '粤语')", t0);
//OneToMany
var t1 = g.sqlite.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
//SELECT a.`Id`, a.`Parent_id`, a.`Ddd`, a.`Name`
//FROM `Tag` a
//WHERE (exists(SELECT 1
// FROM `Tag` t
// LEFT JOIN `Tag` t__Parent ON t__Parent.`Id` = t.`Parent_id`
// WHERE (t__Parent.`Id` = 10) AND (t.`Parent_id` = a.`Id`)
// limit 0,1))
var t1 = fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.AsSelect().Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a.""Ddd"", a.""Name""
FROM ""Tag"" a
WHERE (exists(SELECT 1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t__Parent.""Id"" = 10) AND (t.""Parent_id"" = a.""Id"")
limit 0,1))", t1);
var t11 = fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a.""Ddd"", a.""Name""
FROM ""Tag"" a
WHERE (exists(SELECT 1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t.""Parent_id"" = a.""Id"") AND (t__Parent.""Id"" = 10)
limit 0,1))", t11);
var t12 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Any(t => t.Parent.Id == 10)).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (exists(SELECT 1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t.""Parent_id"" = a__Parent.""Id"") AND (t__Parent.""Id"" = 10)
limit 0,1))", t12);
var t13 = fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a.""Ddd"", a.""Name""
FROM ""Tag"" a
WHERE (exists(SELECT 1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t.""Parent_id"" = a.""Id"") AND (t__Parent.""Id"" = 10)
limit 0,1))", t13);
var t14 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Any()).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (exists(SELECT 1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t.""Parent_id"" = a__Parent.""Id"") AND (t__Parent.""Id"" = 10)
limit 0,1))", t14);
var t15 = fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).ToSql();
fsql.Select<Tag>().Where(a => a.Parent.Tags.Where(t => t.Parent.Id == 10).Select(t => t.Name).ToList().Contains(a.Name)).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (((a.""Name"") in (SELECT t.""Name"" as1
FROM ""Tag"" t
LEFT JOIN ""Tag"" t__Parent ON t__Parent.""Id"" = t.""Parent_id""
WHERE (t.""Parent_id"" = a__Parent.""Id"") AND (t__Parent.""Id"" = 10))))", t15);
//ManyToMany
var t2 = g.sqlite.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
//SELECT a.`Id`, a.`Create_time`, a.`Is_deleted`, a.`Title`, a.`Url`
//FROM `Song` a
//WHERE(exists(SELECT 1
// FROM `Song_tag` Mt_Ms
// WHERE(Mt_Ms.`Song_id` = a.`Id`) AND(exists(SELECT 1
// FROM `Tag` t
// WHERE(t.`Name` = '国语') AND(t.`Id` = Mt_Ms.`Tag_id`)
// limit 0, 1))
// limit 0, 1))
var t2 = fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""Id"", a.""Create_time"", a.""Is_deleted"", a.""Title"", a.""Url""
FROM ""Song"" a
WHERE (exists(SELECT 1
FROM ""Song_tag"" Mt_Ms
WHERE (Mt_Ms.""Song_id"" = a.""Id"") AND (exists(SELECT 1
FROM ""Tag"" t
WHERE (t.""Name"" = '国语') AND (t.""Id"" = Mt_Ms.""Tag_id"")
limit 0,1))
limit 0,1))", t2);
var t21 = fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Any(t => t.Name == "国语")).First();
Assert.Equal(@"SELECT a.""Id"", a.""Create_time"", a.""Is_deleted"", a.""Title"", a.""Url""
FROM ""Song"" a
WHERE (exists(SELECT 1
FROM ""Tag"" t
WHERE (exists(SELECT 1
FROM ""Song_tag"" Mt_Ma
WHERE (Mt_Ma.""Tag_id"" = t.""Id"") AND (Mt_Ma.""Song_id"" = a.""Id"")
limit 0,1)) AND (t.""Name"" = '国语')
limit 0,1))", t21);
var t22 = fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).ToSql();
fsql.Select<Song>().Where(s => s.Tags.Where(t => t.Name == "国语").Any()).First();
Assert.Equal(@"SELECT a.""Id"", a.""Create_time"", a.""Is_deleted"", a.""Title"", a.""Url""
FROM ""Song"" a
WHERE (exists(SELECT 1
FROM ""Tag"" t
WHERE (exists(SELECT 1
FROM ""Song_tag"" Mt_Ma
WHERE (Mt_Ma.""Tag_id"" = t.""Id"") AND (Mt_Ma.""Song_id"" = a.""Id"")
limit 0,1)) AND (t.""Name"" = '国语')
limit 0,1))", t22);
var t23 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Any(s => s.Title == "中国人")).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (exists(SELECT 1
FROM ""Song"" s
WHERE (exists(SELECT 1
FROM ""Song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""Song_id"" = s.""Id"") AND (Ms_Ma__Parent.""Tag_id"" = a__Parent.""Id"")
limit 0,1)) AND (s.""Title"" = '中国人')
limit 0,1))", t23);
var t24 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Any()).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (exists(SELECT 1
FROM ""Song"" s
WHERE (exists(SELECT 1
FROM ""Song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""Song_id"" = s.""Id"") AND (Ms_Ma__Parent.""Tag_id"" = a__Parent.""Id"")
limit 0,1)) AND (s.""Title"" = '中国人')
limit 0,1))", t24);
var t25 = fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).ToSql();
fsql.Select<Tag>().Where(t => t.Parent.Songs.Where(s => s.Title == "中国人").Select(s => s.Title).ToList().Contains(t.Name)).First();
Assert.Equal(@"SELECT a.""Id"", a.""Parent_id"", a__Parent.""Id"" as3, a__Parent.""Parent_id"" as4, a__Parent.""Ddd"", a__Parent.""Name"", a.""Ddd"" as7, a.""Name"" as8
FROM ""Tag"" a
LEFT JOIN ""Tag"" a__Parent ON a__Parent.""Id"" = a.""Parent_id""
WHERE (((a.""Name"") in (SELECT s.""Title"" as1
FROM ""Song"" s
WHERE (exists(SELECT 1
FROM ""Song_tag"" Ms_Ma__Parent
WHERE (Ms_Ma__Parent.""Song_id"" = s.""Id"") AND (Ms_Ma__Parent.""Tag_id"" = a__Parent.""Id"")
limit 0,1)) AND (s.""Title"" = '中国人'))))", t25);
var t3 = g.sqlite.Select<Song>().ToList(r => new
var t3 = fsql.Select<Song>().ToList(r => new
{
r.Title,
c2 = r.Tags.Count,
c3 = r.Tags.Count(),
c4 = r.Tags.Count(tag => tag.Id > 0),
s1 = r.Tags.Sum(b => b.Id + 0),
a1 = r.Tags.Average(b => b.Id + 1),
m1 = r.Tags.Max(b => b.Id + 2),
m2 = r.Tags.Min(b => b.Id + 3),
f1 = r.Tags.Select(b => b.Name).First(),
count = r.Tags.AsSelect().Count(),
//sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
//avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
//max = r.Tags.AsSelect().Max(b => b.Id + 2),
//min = r.Tags.AsSelect().Min(b => b.Id + 3),
//first = r.Tags.AsSelect().First(b => b.Name)
sum = r.Tags.AsSelect().Sum(b => b.Id + 0),
avg = r.Tags.AsSelect().Avg(b => b.Id + 1),
max = r.Tags.AsSelect().Max(b => b.Id + 2),
min = r.Tags.AsSelect().Min(b => b.Id + 3),
first = r.Tags.AsSelect().First(b => b.Name)
});
}

68
FreeSql/Extensions/LambadaExpressionExtensions.cs
View File

@ -227,7 +227,7 @@ namespace System.Linq.Expressions
public static Expression<Func<T1, T2, T3, T4, T5, bool>> Not<T1, T2, T3, T4, T5>(this Expression<Func<T1, T2, T3, T4, T5, bool>> exp, bool condition = true) => (Expression<Func<T1, T2, T3, T4, T5, bool>>)InternalNotExpression(condition, exp);
#endregion
internal static bool IsParameter(this Expression exp)
public static bool IsParameter(this Expression exp)
{
var test = new TestParameterExpressionVisitor();
test.Visit(exp);
@ -258,6 +258,72 @@ namespace System.Linq.Expressions
toListArgs0Out = null;
return false;
}
public static object GetConstExprValue(this Expression exp)
{
if (exp.IsParameter()) return null;
var expStack = new Stack<Expression>();
var exp2 = exp;
while (true)
{
switch (exp2?.NodeType)
{
case ExpressionType.Constant:
expStack.Push(exp2);
break;
case ExpressionType.MemberAccess:
expStack.Push(exp2);
exp2 = (exp2 as MemberExpression).Expression;
if (exp2 == null) break;
continue;
case ExpressionType.Call:
return Expression.Lambda(exp).Compile().DynamicInvoke();
case ExpressionType.TypeAs:
case ExpressionType.Convert:
var oper2 = (exp2 as UnaryExpression).Operand;
if (oper2.NodeType == ExpressionType.Parameter)
{
var oper2Parm = oper2 as ParameterExpression;
expStack.Push(exp2.Type.IsAbstract || exp2.Type.IsInterface ? oper2Parm : Expression.Parameter(exp2.Type, oper2Parm.Name));
}
else
expStack.Push(oper2);
break;
}
break;
}
object firstValue = null;
switch (expStack.First().NodeType)
{
case ExpressionType.Constant:
var expStackFirst = expStack.Pop() as ConstantExpression;
firstValue = expStackFirst?.Value;
break;
case ExpressionType.MemberAccess:
var expStackFirstMem = expStack.First() as MemberExpression;
if (expStackFirstMem.Expression?.NodeType == ExpressionType.Constant)
firstValue = (expStackFirstMem.Expression as ConstantExpression)?.Value;
else
return Expression.Lambda(exp).Compile().DynamicInvoke();
break;
}
while (expStack.Any())
{
var expStackItem = expStack.Pop();
switch (expStackItem.NodeType)
{
case ExpressionType.MemberAccess:
var memExp = expStackItem as MemberExpression;
if (memExp.Member.MemberType == MemberTypes.Property)
firstValue = ((PropertyInfo)memExp.Member).GetValue(firstValue, null);
else if (memExp.Member.MemberType == MemberTypes.Field)
firstValue = ((FieldInfo)memExp.Member).GetValue(firstValue);
break;
}
}
return firstValue;
}
}
internal class NewExpressionVisitor : ExpressionVisitor

183
FreeSql/FreeSql.xml
View File

@ -3249,6 +3249,177 @@
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteConnectTestAsync(System.Int32,System.Threading.CancellationToken)">
<summary>
测试数据库是否连接正确，本方法执行如下命令：<para></para>
MySql/SqlServer/PostgreSQL/达梦/人大金仓/神通: SELECT 1<para></para>
Oracle: SELECT 1 FROM dual<para></para>
</summary>
<param name="commandTimeout">命令超时设置(秒)</param>
<param name="cancellationToken"></param>
<returns>true: 成功, false: 失败</returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
</summary>
<param name="readerHander"></param>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="readerHander"></param>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T1"></typeparam>
<typeparam name="T2"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，Query&lt;User, Address&gt;("select * from user where age > @age; select * from address", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T1"></typeparam>
<typeparam name="T2"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="E:FreeSql.IAop.ParseExpression">
<summary>
可自定义解析表达式
@ -4143,6 +4314,12 @@
<param name="timeout">超时</param>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.GetAsync">
<summary>
获取资源
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)">
<summary>
使用完毕后，归还资源
@ -4218,6 +4395,12 @@
</summary>
<param name="obj">资源对象</param>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnGetAsync(FreeSql.Internal.ObjectPool.Object{`0})">
<summary>
从对象池获取对象成功的时候触发，通过该方法统计或初始化对象
</summary>
<param name="obj">资源对象</param>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})">
<summary>
归还对象给对象池的时候触发

5
FreeSql/Interface/IAop.cs
View File

@ -92,12 +92,15 @@ namespace FreeSql.Aop
#region ParseExpression
public class ParseExpressionEventArgs : EventArgs
{
public ParseExpressionEventArgs(Expression expression, Func<Expression, string> freeParse)
public ParseExpressionEventArgs(Expression expression, Func<Expression, string> freeParse, List<SelectTableInfo> tables)
{
this.Expression = expression;
this.FreeParse = freeParse;
this.Tables = tables;
}
public List<SelectTableInfo> Tables { get; }
/// <summary>
/// 内置解析功能，可辅助您进行解析
/// </summary>

309
FreeSql/Internal/CommonExpression.cs
View File

@ -714,10 +714,15 @@ namespace FreeSql.Internal
{
if (exp == null) return "";
if (tsc.dbParams != null && tsc.mapColumnTmp != null && tsc.mapColumnTmp.CsType.NullableTypeOrThis() != exp.Type) tsc.SetMapColumnTmp(null);
if (tsc.isDisableDiyParse == false && _common._orm.Aop.ParseExpressionHandler != null)
if (tsc.isDisableDiyParse == false)
{
var args = new Aop.ParseExpressionEventArgs(exp, ukexp => ExpressionLambdaToSql(ukexp, tsc.CloneDisableDiyParse()));
_common._orm.Aop.ParseExpressionHandler?.Invoke(this, args);
var args = new Aop.ParseExpressionEventArgs(exp, ukexp => ExpressionLambdaToSql(ukexp, tsc.CloneDisableDiyParse()), tsc._tables);
if (_common._orm.Aop.ParseExpressionHandler != null)
{
_common._orm.Aop.ParseExpressionHandler(this, args);
if (string.IsNullOrEmpty(args.Result) == false) return args.Result;
}
ParseExpressionNoAsSelect(this, args);
if (string.IsNullOrEmpty(args.Result) == false) return args.Result;
}
switch (exp.NodeType)
@ -1240,6 +1245,26 @@ namespace FreeSql.Internal
tsc3._tables = tsc._tables.ToList();
var where2 = ExpressionLambdaToSql(Expression.Lambda(manySubSelectWhereExp, manySubSelectWhereParam), tsc3);
if (string.IsNullOrEmpty(where2) == false) fsqls0p._where.Append(" AND (").Append(where2).Append(")");
switch (exp3.Method.Name)
{
case "Sum":
case "Min":
case "Max":
case "Avg":
var map = new ReadAnonymousTypeInfo();
var field = new StringBuilder();
var index = -1;
for (var a = 0; a < exp3Args0.Parameters.Count; a++) fsqls0p._tables[a].Parameter = exp3Args0.Parameters[a];
ReadAnonymousField(fsqls0p._tables, field, map, ref index, exp3Args0, null, null, null, null, false);
var fieldSql = field.Length > 0 ? field.Remove(0, 2).ToString() : null;
var sql4 = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { $"{exp3.Method.Name.ToLower()}({fieldSql})" })?.ToString();
asSelectBefores.Clear();
return $"({sql4.Replace(" \r\n", " \r\n ")})";
}
var sql3 = manySubSelectAggMethod.Invoke(fsql, new object[] { exp3Args0, FieldAliasOptions.AsProperty }) as string;
asSelectBefores.Clear();
return $"({sql3.Replace(" \r\n", " \r\n ")})";
@ -1900,5 +1925,283 @@ namespace FreeSql.Internal
return string.Format(CultureInfo.InvariantCulture, "{0}", _ado.AddslashesProcessParam(obj, mapType, mapColumn));
//return string.Concat(_ado.AddslashesProcessParam(obj, mapType, mapColumn));
}
public static void ParseExpressionNoAsSelect(object sender, Aop.ParseExpressionEventArgs e)
{
if (e.Expression.NodeType != ExpressionType.Call &&
(e.Expression as MemberExpression)?.Member.Name != "Count") return;
var exp3Stack = new Stack<Expression>();
var exp3tmp = e.Expression;
while (exp3tmp != null)
{
exp3Stack.Push(exp3tmp);
switch (exp3tmp.NodeType)
{
case ExpressionType.Call:
var exp3tmpCall = (exp3tmp as MethodCallExpression);
if (exp3tmpCall.Type.FullName.StartsWith("FreeSql.ISelect`") && exp3tmpCall.Method.Name == "AsSelect" && exp3tmpCall.Object == null) return;
exp3tmp = exp3tmpCall.Object == null ? exp3tmpCall.Arguments.FirstOrDefault() : exp3tmpCall.Object;
continue;
case ExpressionType.MemberAccess:
exp3tmp = (exp3tmp as MemberExpression).Expression;
continue;
case ExpressionType.Parameter:
exp3tmp = null;
continue;
}
return;
}
exp3tmp = exp3Stack.Pop();
if (exp3tmp.NodeType != ExpressionType.Parameter) return;
if (exp3tmp.Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate")) return;
var commonExp = sender as FreeSql.Internal.CommonExpression;
if (commonExp == null) return;
var exp3Tb = commonExp._common.GetTableByEntity(exp3tmp.Type);
if (exp3Tb == null) return;
var paramExp = exp3tmp as ParameterExpression;
Select1Provider<object> select = null;
TableRef memberTbref = null;
MemberExpression memberExp = null;
bool selectSetAliased = false;
void LocalSetSelectProviderAlias(string alias)
{
if (selectSetAliased) return;
selectSetAliased = true;
select._tables[0].Alias = alias;
select._tables[0].AliasInit = alias;
switch (memberTbref.RefType)
{
case TableRefType.ManyToMany:
var mtmReftbname = e.FreeParse(Expression.MakeMemberAccess(memberExp.Expression, exp3Tb.Properties[exp3Tb.ColumnsByPosition[0].CsName]));
mtmReftbname = mtmReftbname.Substring(0, mtmReftbname.Length - commonExp._common.QuoteSqlName(exp3Tb.ColumnsByPosition[0].Attribute.Name).Length - 1);
var midSelect = commonExp._common._orm.Select<object>().As($"M{select._tables[0].Alias}_M{mtmReftbname}").AsType(memberTbref.RefMiddleEntityType) as Select1Provider<object>;
switch (commonExp._ado.DataType)
{
case DataType.Oracle:
case DataType.OdbcOracle:
case DataType.Dameng:
case DataType.OdbcDameng:
case DataType.GBase:
break;
default:
midSelect.Limit(1); //#462 ORACLE rownum <= 2 会影响索引变慢
break;
}
for (var tidx = 0; tidx < memberTbref.RefColumns.Count; tidx++)
midSelect.Where($"{midSelect._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.MiddleColumns[memberTbref.Columns.Count + tidx].Attribute.Name)} = {select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[tidx].Attribute.Name)}");
for (var tidx = 0; tidx < memberTbref.Columns.Count; tidx++)
midSelect.Where($"{midSelect._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.MiddleColumns[tidx].Attribute.Name)} = {mtmReftbname}.{commonExp._common.QuoteSqlName(memberTbref.Columns[tidx].Attribute.Name)}");
select.Where($"exists({midSelect.ToSql("1").Replace(" \r\n", " \r\n ")})");
break;
case TableRefType.OneToMany:
var omtReftbname = e.FreeParse(Expression.MakeMemberAccess(memberExp.Expression, exp3Tb.Properties[exp3Tb.ColumnsByPosition[0].CsName]));
omtReftbname = omtReftbname.Substring(0, omtReftbname.Length - commonExp._common.QuoteSqlName(exp3Tb.ColumnsByPosition[0].Attribute.Name).Length - 1);
for (var tidx = 0; tidx < memberTbref.Columns.Count; tidx++)
select.Where($"{select._tables[0].Alias}.{commonExp._common.QuoteSqlName(memberTbref.RefColumns[tidx].Attribute.Name)} = {omtReftbname}.{commonExp._common.QuoteSqlName(memberTbref.Columns[tidx].Attribute.Name)}");
break;
}
}
void LocalInitSelectProvider()
{
select = commonExp._common._orm.Select<object>().AsType(memberTbref.RefEntityType) as Select1Provider<object>;
select._tables.AddRange(e.Tables.Select(a => new SelectTableInfo
{
Alias = a.Alias,
On = "1=1",
Table = a.Table,
Type = SelectTableInfoType.Parent,
Parameter = a.Parameter
}));
}
while (true)
{
var exp4 = exp3Stack.Pop();
if (exp4.NodeType == ExpressionType.MemberAccess)
{
var tmpExp = exp4 as MemberExpression;
if (tmpExp.Member.Name == "Count" && select != null)
{
if (exp3Stack.Any()) return;
LocalSetSelectProviderAlias("tbcou");
e.Result = $"({select.ToSql("count(1)").Replace(" \r\n", " \r\n ")})";
return;
}
if (select != null) return;
memberExp = tmpExp;
memberTbref = exp3Tb.GetTableRef(memberExp.Member.Name, false);
if (memberTbref == null) return;
switch (memberTbref.RefType)
{
case TableRefType.ManyToOne:
case TableRefType.OneToOne:
exp3Tb = commonExp._common.GetTableByEntity(memberExp.Type);
if (exp3Tb == null) return;
continue;
case TableRefType.ManyToMany:
if (select != null) return;
LocalInitSelectProvider();
continue;
case TableRefType.OneToMany:
if (select != null) return;
LocalInitSelectProvider();
continue;
}
}
if (exp4.NodeType == ExpressionType.Call)
{
if (select == null) return;
var callExp = exp4 as MethodCallExpression;
switch (callExp.Method.Name)
{
case "Any":
if (callExp.Arguments.Count == 2)
{
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.InternalWhere(callExp.Arguments[1]);
}
switch (commonExp._ado.DataType)
{
case DataType.Oracle:
case DataType.OdbcOracle:
case DataType.Dameng:
case DataType.OdbcDameng:
case DataType.GBase:
break;
default:
select._limit = 1; //#462 ORACLE rownum <= 2 会影响索引变慢
break;
}
if (exp3Stack.Any()) return;
LocalSetSelectProviderAlias("tbany");
e.Result = $"exists({select.ToSql("1").Replace(" \r\n", " \r\n ")})";
return;
case "Max":
case "Min":
case "Sum":
case "Average":
if (callExp.Arguments.Count == 2)
{
var aggregateMethodName = callExp.Method.Name == "Average" ? "avg" : callExp.Method.Name.ToLower();
if (exp3Stack.Any()) return;
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
var map = new ReadAnonymousTypeInfo();
var field = new StringBuilder();
var index = -1;
commonExp.ReadAnonymousField(select._tables, field, map, ref index, callExp.Arguments[1], null, null, null, null, false);
var fieldSql = field.Length > 0 ? field.Remove(0, 2).ToString() : null;
e.Result = $"({select.ToSql($"{aggregateMethodName}({fieldSql})").Replace(" \r\n", " \r\n ")})";
return;
}
throw throwCallExp($"不支持 {callExp.Arguments.Count}个参数的方法");
case "Count":
if (callExp.Arguments.Count == 2)
{
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.InternalWhere(callExp.Arguments[1]);
}
if (exp3Stack.Any()) return;
LocalSetSelectProviderAlias("tbcou");
e.Result = $"({select.ToSql("count(1)").Replace(" \r\n", " \r\n ")})";
return;
case "First":
select.Limit(1);
if (callExp.Arguments.Count == 1)
{
if (exp3Stack.Any()) return;
LocalSetSelectProviderAlias("tbfirst");
e.Result = $"({select.ToSql().Replace(" \r\n", " \r\n ")})";
return;
}
throw throwCallExp(" 不支持");
case "ToList":
if (callExp.Arguments.Count == 1)
{
if (exp3Stack.Any()) return;
LocalSetSelectProviderAlias("tbtolist");
e.Result = $"({select.ToSql().Replace(" \r\n", " \r\n ")})";
return;
}
throw throwCallExp(" 不支持");
case "Contains":
if (callExp.Arguments.Count == 2)
{
if (exp3Stack.Any()) return;
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
e.Result = $"({e.FreeParse(callExp.Arguments[1])}) in {select.ToSql().Replace(" \r\n", " \r\n ")})";
return;
}
throw throwCallExp($" 不支持 {callExp.Arguments.Count}个参数的方法");
case "Distinct":
if (callExp.Arguments.Count == 1)
{
select.Distinct();
break;
}
throw throwCallExp(" 不支持");
case "OrderBy":
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.OrderByReflection(callExp.Arguments[1] as LambdaExpression as LambdaExpression, false);
break;
case "OrderByDescending":
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.OrderByReflection(callExp.Arguments[1] as LambdaExpression as LambdaExpression, true);
break;
case "ThenBy":
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.OrderByReflection(callExp.Arguments[1] as LambdaExpression as LambdaExpression, false);
break;
case "ThenByDescending":
select._tables[0].Parameter = (callExp.Arguments[1] as LambdaExpression)?.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.OrderByReflection(callExp.Arguments[1] as LambdaExpression as LambdaExpression, true);
break;
case "Where":
var whereParam = callExp.Arguments[1] as LambdaExpression;
if (whereParam?.Parameters.Count == 1)
{
select._tables[0].Parameter = whereParam.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select.InternalWhere(whereParam);
break;
}
throw throwCallExp(" 不支持");
case "Skip":
select.Offset((int)callExp.Arguments[1].GetConstExprValue());
break;
case "Take":
select.Limit((int)callExp.Arguments[1].GetConstExprValue());
break;
case "Select":
var selectParam = callExp.Arguments[1] as LambdaExpression;
if (selectParam?.Parameters.Count == 1)
{
select._tables[0].Parameter = selectParam.Parameters.FirstOrDefault();
LocalSetSelectProviderAlias(select._tables[0].Parameter.Name);
select._selectExpression = selectParam;
break;
}
throw throwCallExp(" 不支持");
}
Exception throwCallExp(string message) => new Exception($"解析失败 {callExp.Method.Name} {message}");
}
}
}
}
}

1
FreeSql/Internal/UtilsExpressionTree.cs
View File

@ -41,6 +41,7 @@ namespace FreeSql.Internal
if (common.CodeFirst.GetDbInfo(entity) != null) return null;
if (typeof(IEnumerable).IsAssignableFrom(entity) && entity.IsGenericType == true) return null;
if (entity.IsArray) return null;
if (entity.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) return null;
object entityDefault = null;
try

4
README.md
View File

@ -99,7 +99,7 @@ fsql.Select<Tag>().IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name =
//ManyToMany
fsql.Select<Song>()
.IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo"))
.Where(s => s.Tags.AsSelect().Any(t => t.Name == "Chinese"))
.Where(s => s.Tags.Any(t => t.Name == "Chinese"))
.ToList();
//Other
@ -107,7 +107,7 @@ fsql.Select<YourType>()
.Where(a => a.IsDelete == 0)
.WhereIf(keyword != null, a => a.UserName.Contains(keyword))
.WhereIf(role_id > 0, a => a.RoleId == role_id)
.Where(a => a.Nodes.AsSelect().Any(t => t.Parent.Id == t.UserId))
.Where(a => a.Nodes.Any(t => t.Parent.Id == t.UserId))
.Count(out var total)
.Page(page, size)
.OrderByDescending(a => a.Id)

4
README.zh-CN.md
View File

@ -102,7 +102,7 @@ fsql.Select<Tag>().IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name =
//ManyToMany
fsql.Select<Song>()
.IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo"))
.Where(s => s.Tags.AsSelect().Any(t => t.Name == "国语"))
.Where(s => s.Tags.Any(t => t.Name == "国语"))
.ToList();
//Other
@ -110,7 +110,7 @@ fsql.Select<YourType>()
.Where(a => a.IsDelete == 0)
.WhereIf(keyword != null, a => a.UserName.Contains(keyword))
.WhereIf(role_id > 0, a => a.RoleId == role_id)
.Where(a => a.Nodes.AsSelect().Any(t => t.Parent.Id == t.UserId))
.Where(a => a.Nodes.Any(t => t.Parent.Id == t.UserId))
.Count(out var total)
.Page(page, size)
.OrderByDescending(a => a.Id)