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- 增加 子查询函数 First、Count、Min、Max、Sum、Avg 的支持；

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This commit is contained in:
28810 2019-07-09 16:46:11 +08:00
parent 272e55ecbf
commit 87c9ccf5c3
18 changed files with 558 additions and 205 deletions
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2
Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
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@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 扩展包，可实现【延时加载】属性.</Description>

2
FreeSql.DbContext/FreeSql.DbContext.csproj
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@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql is the most convenient ORM in dotnet. It supports Mysql, Postgresql, SqlServer, Oracle and Sqlite.</Description>

2
FreeSql.Repository/FreeSql.Repository.csproj
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@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<Authors>YeXiangQin</Authors>
<Description>FreeSql Implementation of General Repository, Support MySql/SqlServer/PostgreSQL/Oracle/Sqlite, and read/write separation、and split table.</Description>
<PackageProjectUrl>https://github.com/2881099/FreeSql/wiki/Repository</PackageProjectUrl>

51
FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs
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@ -336,6 +336,17 @@ namespace FreeSql.Tests.MySqlConnector
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -870,18 +881,58 @@ namespace FreeSql.Tests.MySqlConnector
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

51
FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs
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@ -326,6 +326,17 @@ namespace FreeSql.Tests.MySql
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -860,18 +871,58 @@ namespace FreeSql.Tests.MySql
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

51
FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs
View File

@ -212,6 +212,17 @@ namespace FreeSql.Tests.Oracle
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -744,18 +755,58 @@ namespace FreeSql.Tests.Oracle
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

51
FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs
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@ -289,6 +289,17 @@ namespace FreeSql.Tests.PostgreSQL
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -818,18 +829,58 @@ namespace FreeSql.Tests.PostgreSQL
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

51
FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs
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@ -213,6 +213,17 @@ namespace FreeSql.Tests.SqlServer
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -741,18 +752,58 @@ namespace FreeSql.Tests.SqlServer
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

51
FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
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@ -224,6 +224,17 @@ namespace FreeSql.Tests.Sqlite
select.Where(a => 1 == 1).Count(out var count2);
Assert.Equal(count, count2);
Assert.Equal(0, select.Where(a => 1 == 2).Count());
var subquery = select.ToSql(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Where(b => b.Id > 0 && b.Id == a.Id).Count()
});
}
[Fact]
public void Master()
@ -691,18 +702,58 @@ namespace FreeSql.Tests.Sqlite
[Fact]
public void Sum()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Sum(b => b.Id)
});
}
[Fact]
public void Min()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Min(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Min(b => b.Id)
});
}
[Fact]
public void Max()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Max(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Max(b => b.Id)
});
}
[Fact]
public void Avg()
{
var subquery = select.ToSql(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
var subqueryList = select.ToList(a => new
{
all = a,
count = select.Avg(b => b.Id)
});
}
[Fact]
public void As()

17
FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
View File

@ -296,9 +296,24 @@ namespace FreeSql.Tests
[Fact]
public void Test1()
{
var teklksjdg = g.sqlite.Select<ZX.Model.CustomerCheckupGroup>()
.Where(a => true && a.CustomerMember.Group == "xxx")
.ToSql();
.ToSql(a => new
{
all = a,
subquery = g.sqlite.Select<ZX.Model.CustomerCheckupGroup>().Where(b => b.Id == a.Id).First(b => b.Group)
});
var teklksjdg333 = g.sqlite.Select<ZX.Model.CustomerCheckupGroup>()
.Where(a => true && a.CustomerMember.Group == "xxx")
.OrderBy(a => g.sqlite.Select<ZX.Model.CustomerCheckupGroup>().Where(b => b.Id == a.Id).First(b => b.Group))
.ToSql(a => new
{
all = a,
subquery = g.sqlite.Select<ZX.Model.CustomerCheckupGroup>().Where(b => b.Id == a.Id).First(b => b.Group)
});
var sklgjlskdg = g.sqlite.Select<ZX.Model.CustomerMember>()
.Where(a => a.CheckupGroups.AsSelect().Any())

2
FreeSql/FreeSql.csproj
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@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql is the most convenient ORM in dotnet. It supports Mysql, Postgresql, SqlServer, Oracle and Sqlite.</Description>

420
FreeSql/Internal/CommonExpression.cs
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@ -550,166 +550,222 @@ namespace FreeSql.Internal
}
if (callType.FullName.StartsWith("FreeSql.ISelect`"))
{ //子表查询
if (exp3.Method.Name == "Any")
{ //exists
var anyArgs = exp3.Arguments;
var exp3Stack = new Stack<Expression>();
var exp3tmp = exp3.Object;
if (exp3tmp != null && anyArgs.Any())
exp3Stack.Push(Expression.Call(exp3tmp, callType.GetMethod("Where", anyArgs.Select(a => a.Type).ToArray()), anyArgs.ToArray()));
while (exp3tmp != null)
{
exp3Stack.Push(exp3tmp);
switch (exp3tmp.NodeType)
switch (exp3.Method.Name)
{
case "Any": //exists
case "Count":
case "Sum":
case "Min":
case "Max":
case "Avg":
case "First":
var anyArgs = exp3.Arguments;
var exp3Stack = new Stack<Expression>();
var exp3tmp = exp3.Object;
if (exp3.Method.Name == "Any" && exp3tmp != null && anyArgs.Any())
exp3Stack.Push(Expression.Call(exp3tmp, callType.GetMethod("Where", anyArgs.Select(a => a.Type).ToArray()), anyArgs.ToArray()));
while (exp3tmp != null)
{
case ExpressionType.Call:
var exp3tmpCall = (exp3tmp as MethodCallExpression);
exp3tmp = exp3tmpCall.Object == null ? exp3tmpCall.Arguments.FirstOrDefault() : exp3tmpCall.Object;
continue;
case ExpressionType.MemberAccess: exp3tmp = (exp3tmp as MemberExpression).Expression; continue;
}
break;
}
object fsql = null;
List<SelectTableInfo> fsqltables = null;
var fsqltable1SetAlias = false;
Type fsqlType = null;
Stack<Expression> asSelectBefores = new Stack<Expression>();
var asSelectSql = "";
Type asSelectEntityType = null;
MemberExpression asSelectParentExp1 = null;
Expression asSelectParentExp = null;
while (exp3Stack.Any())
{
exp3tmp = exp3Stack.Pop();
if (exp3tmp.Type.FullName.StartsWith("FreeSql.ISelect`") && fsql == null)
{
if (exp3tmp.NodeType == ExpressionType.Call)
exp3Stack.Push(exp3tmp);
switch (exp3tmp.NodeType)
{
var exp3tmpCall = (exp3tmp as MethodCallExpression);
if (exp3tmpCall.Method.Name == "AsSelect" && exp3tmpCall.Object == null)
case ExpressionType.Call:
var exp3tmpCall = (exp3tmp as MethodCallExpression);
exp3tmp = exp3tmpCall.Object == null ? exp3tmpCall.Arguments.FirstOrDefault() : exp3tmpCall.Object;
continue;
case ExpressionType.MemberAccess: exp3tmp = (exp3tmp as MemberExpression).Expression; continue;
}
break;
}
object fsql = null;
List<SelectTableInfo> fsqltables = null;
var fsqltable1SetAlias = false;
Type fsqlType = null;
Stack<Expression> asSelectBefores = new Stack<Expression>();
var asSelectSql = "";
Type asSelectEntityType = null;
MemberExpression asSelectParentExp1 = null;
Expression asSelectParentExp = null;
while (exp3Stack.Any())
{
exp3tmp = exp3Stack.Pop();
if (exp3tmp.Type.FullName.StartsWith("FreeSql.ISelect`") && fsql == null)
{
if (exp3tmp.NodeType == ExpressionType.Call)
{
var exp3tmpArg1Type = exp3tmpCall.Arguments.FirstOrDefault()?.Type;
if (exp3tmpArg1Type != null)
var exp3tmpCall = (exp3tmp as MethodCallExpression);
if (exp3tmpCall.Method.Name == "AsSelect" && exp3tmpCall.Object == null)
{
asSelectEntityType = exp3tmpArg1Type.GetElementType() ?? exp3tmpArg1Type.GenericTypeArguments.FirstOrDefault();
if (asSelectEntityType != null)
var exp3tmpArg1Type = exp3tmpCall.Arguments.FirstOrDefault()?.Type;
if (exp3tmpArg1Type != null)
{
fsql = _dicExpressionLambdaToSqlAsSelectMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType2 => typeof(IFreeSql).GetMethod("Select", new Type[0]).MakeGenericMethod(asSelectEntityType2))
.Invoke(_common._orm, null);
if (asSelectBefores.Any())
asSelectEntityType = exp3tmpArg1Type.GetElementType() ?? exp3tmpArg1Type.GenericTypeArguments.FirstOrDefault();
if (asSelectEntityType != null)
{
asSelectParentExp1 = asSelectBefores.Pop() as MemberExpression;
fsql = _dicExpressionLambdaToSqlAsSelectMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType2 => typeof(IFreeSql).GetMethod("Select", new Type[0]).MakeGenericMethod(asSelectEntityType2))
.Invoke(_common._orm, null);
if (asSelectBefores.Any())
{
asSelectParentExp = asSelectBefores.Pop();
if (asSelectParentExp != null)
asSelectParentExp1 = asSelectBefores.Pop() as MemberExpression;
if (asSelectBefores.Any())
{
var testExecuteExp = asSelectParentExp;
if (asSelectParentExp.NodeType == ExpressionType.Parameter) //执行leftjoin关联
testExecuteExp = Expression.Property(testExecuteExp, _common.GetTableByEntity(asSelectParentExp.Type).ColumnsByCs.First().Key);
var tsc2 = tsc.CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(new List<SelectColumnInfo>(), tsc.getSelectGroupingMapString, SelectTableInfoType.LeftJoin);
tsc2.isDisableDiyParse = true;
tsc2.style = ExpressionStyle.AsSelect;
asSelectSql = ExpressionLambdaToSql(testExecuteExp, tsc2);
asSelectParentExp = asSelectBefores.Pop();
if (asSelectParentExp != null)
{
var testExecuteExp = asSelectParentExp;
if (asSelectParentExp.NodeType == ExpressionType.Parameter) //执行leftjoin关联
testExecuteExp = Expression.Property(testExecuteExp, _common.GetTableByEntity(asSelectParentExp.Type).ColumnsByCs.First().Key);
var tsc2 = tsc.CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(new List<SelectColumnInfo>(), tsc.getSelectGroupingMapString, SelectTableInfoType.LeftJoin);
tsc2.isDisableDiyParse = true;
tsc2.style = ExpressionStyle.AsSelect;
asSelectSql = ExpressionLambdaToSql(testExecuteExp, tsc2);
}
}
}
}
}
}
}
}
if (fsql == null) fsql = Expression.Lambda(exp3tmp).Compile().DynamicInvoke();
fsqlType = fsql?.GetType();
if (fsqlType == null) break;
fsqlType.GetField("_limit", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(fsql, 1);
fsqltables = fsqlType.GetField("_tables", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(fsql) as List<SelectTableInfo>;
//fsqltables[0].Alias = $"{tsc._tables[0].Alias}_{fsqltables[0].Alias}";
fsqltables.AddRange(tsc._tables.Select(a => new SelectTableInfo
{
Alias = a.Alias,
On = "1=1",
Table = a.Table,
Type = SelectTableInfoType.Parent,
Parameter = a.Parameter
}));
}
else if (fsqlType != null)
{
var call3Exp = exp3tmp as MethodCallExpression;
var method = fsqlType.GetMethod(call3Exp.Method.Name, call3Exp.Arguments.Select(a => a.Type).ToArray());
if (call3Exp.Method.ContainsGenericParameters) method.MakeGenericMethod(call3Exp.Method.GetGenericArguments());
var parms = method.GetParameters();
var args = new object[call3Exp.Arguments.Count];
for (var a = 0; a < args.Length; a++)
{
var arg3Exp = call3Exp.Arguments[a];
if (arg3Exp.NodeType == ExpressionType.Constant)
if (fsql == null) fsql = Expression.Lambda(exp3tmp).Compile().DynamicInvoke();
fsqlType = fsql?.GetType();
if (fsqlType == null) break;
fsqlType.GetField("_limit", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(fsql, 1);
fsqltables = fsqlType.GetField("_tables", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(fsql) as List<SelectTableInfo>;
//fsqltables[0].Alias = $"{tsc._tables[0].Alias}_{fsqltables[0].Alias}";
fsqltables.AddRange(tsc._tables.Select(a => new SelectTableInfo
{
args[a] = (arg3Exp as ConstantExpression)?.Value;
}
else
{
var argExp = (arg3Exp as UnaryExpression)?.Operand;
if (argExp != null && argExp.NodeType == ExpressionType.Lambda)
{
if (fsqltable1SetAlias == false)
{
fsqltables[0].Alias = (argExp as LambdaExpression).Parameters.First().Name;
fsqltable1SetAlias = true;
}
}
args[a] = argExp ?? Expression.Lambda(arg3Exp).Compile().DynamicInvoke();
//if (args[a] == null) ExpressionLambdaToSql(call3Exp.Arguments[a], fsqltables, null, null, SelectTableInfoType.From, true);
}
}
method.Invoke(fsql, args);
}
if (fsql == null) asSelectBefores.Push(exp3tmp);
}
if (fsql != null)
{
if (asSelectParentExp != null)
{ //执行 asSelect() 的关联，OneToMany，ManyToMany
if (fsqltables[0].Parameter == null)
{
fsqltables[0].Alias = $"tb_{fsqltables.Count}";
fsqltables[0].Parameter = Expression.Parameter(asSelectEntityType, fsqltables[0].Alias);
}
var fsqlWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType3 =>
typeof(ISelect<>).MakeGenericType(asSelectEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(asSelectEntityType3, typeof(bool)))
}));
var parm123Tb = _common.GetTableByEntity(asSelectParentExp.Type);
var parm123Ref = parm123Tb.GetTableRef(asSelectParentExp1.Member.Name, true);
var fsqlWhereParam = fsqltables.First().Parameter; //Expression.Parameter(asSelectEntityType);
Expression fsqlWhereExp = null;
if (parm123Ref.RefType == TableRefType.ManyToMany)
{
//g.mysql.Select<Tag>().Where(a => g.mysql.Select<Song_tag>().Where(b => b.Tag_id == a.Id && b.Song_id == 1).Any());
var manyTb = _common.GetTableByEntity(parm123Ref.RefMiddleEntityType);
var manySubSelectWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect<>).MakeGenericType(refMiddleEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(refMiddleEntityType3, typeof(bool)))
Alias = a.Alias,
On = "1=1",
Table = a.Table,
Type = SelectTableInfoType.Parent,
Parameter = a.Parameter
}));
var manySubSelectWhereSql = _dicExpressionLambdaToSqlAsSelectWhereSqlMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect0<,>).MakeGenericType(typeof(ISelect<>).MakeGenericType(refMiddleEntityType3), refMiddleEntityType3).GetMethod("Where", new[] { typeof(string), typeof(object) }));
var manySubSelectAny = _dicExpressionLambdaToSqlAsSelectAnyMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect0<,>).MakeGenericType(typeof(ISelect<>).MakeGenericType(refMiddleEntityType3), refMiddleEntityType3).GetMethod("Any", new Type[0]));
var manySubSelectAsSelectExp = _dicFreeSqlGlobalExtensionsAsSelectExpression.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
Expression.Call(
typeof(FreeSqlGlobalExtensions).GetMethods(BindingFlags.Static | BindingFlags.Public).Where(mfil => mfil.Name == "AsSelect" && mfil.GetParameters().Length == 1).FirstOrDefault()?.MakeGenericMethod(refMiddleEntityType3),
Expression.Constant(Activator.CreateInstance(typeof(List<>).MakeGenericType(refMiddleEntityType3)))
));
var manyMainParam = tsc._tables[0].Parameter;
var manySubSelectWhereParam = Expression.Parameter(parm123Ref.RefMiddleEntityType, $"M{fsqlWhereParam.Name}_M{asSelectParentExp.ToString().Replace(".", "__")}");//, $"{fsqlWhereParam.Name}__");
Expression manySubSelectWhereExp = null;
}
else if (fsqlType != null)
{
var call3Exp = exp3tmp as MethodCallExpression;
var method = fsqlType.GetMethod(call3Exp.Method.Name, call3Exp.Arguments.Select(a => a.Type).ToArray());
if (call3Exp.Method.ContainsGenericParameters) method.MakeGenericMethod(call3Exp.Method.GetGenericArguments());
var parms = method.GetParameters();
var args = new object[call3Exp.Arguments.Count];
for (var a = 0; a < args.Length; a++)
{
var arg3Exp = call3Exp.Arguments[a];
if (arg3Exp.NodeType == ExpressionType.Constant)
{
args[a] = (arg3Exp as ConstantExpression)?.Value;
}
else
{
var argExp = (arg3Exp as UnaryExpression)?.Operand;
if (argExp != null && argExp.NodeType == ExpressionType.Lambda)
{
if (fsqltable1SetAlias == false)
{
fsqltables[0].Alias = (argExp as LambdaExpression).Parameters.First().Name;
fsqltable1SetAlias = true;
}
}
args[a] = argExp ?? Expression.Lambda(arg3Exp).Compile().DynamicInvoke();
//if (args[a] == null) ExpressionLambdaToSql(call3Exp.Arguments[a], fsqltables, null, null, SelectTableInfoType.From, true);
}
}
method.Invoke(fsql, args);
}
if (fsql == null) asSelectBefores.Push(exp3tmp);
}
if (fsql != null)
{
if (asSelectParentExp != null)
{ //执行 asSelect() 的关联，OneToMany，ManyToMany
if (fsqltables[0].Parameter == null)
{
fsqltables[0].Alias = $"tb_{fsqltables.Count}";
fsqltables[0].Parameter = Expression.Parameter(asSelectEntityType, fsqltables[0].Alias);
}
var fsqlWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(asSelectEntityType, asSelectEntityType3 =>
typeof(ISelect<>).MakeGenericType(asSelectEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(asSelectEntityType3, typeof(bool)))
}));
var parm123Tb = _common.GetTableByEntity(asSelectParentExp.Type);
var parm123Ref = parm123Tb.GetTableRef(asSelectParentExp1.Member.Name, true);
var fsqlWhereParam = fsqltables.First().Parameter; //Expression.Parameter(asSelectEntityType);
Expression fsqlWhereExp = null;
if (parm123Ref.RefType == TableRefType.ManyToMany)
{
//g.mysql.Select<Tag>().Where(a => g.mysql.Select<Song_tag>().Where(b => b.Tag_id == a.Id && b.Song_id == 1).Any());
var manyTb = _common.GetTableByEntity(parm123Ref.RefMiddleEntityType);
var manySubSelectWhere = _dicExpressionLambdaToSqlAsSelectWhereMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect<>).MakeGenericType(refMiddleEntityType3).GetMethod("Where", new[] {
typeof(Expression<>).MakeGenericType(typeof(Func<,>).MakeGenericType(refMiddleEntityType3, typeof(bool)))
}));
var manySubSelectWhereSql = _dicExpressionLambdaToSqlAsSelectWhereSqlMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect0<,>).MakeGenericType(typeof(ISelect<>).MakeGenericType(refMiddleEntityType3), refMiddleEntityType3).GetMethod("Where", new[] { typeof(string), typeof(object) }));
var manySubSelectAny = _dicExpressionLambdaToSqlAsSelectAnyMethodInfo.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
typeof(ISelect0<,>).MakeGenericType(typeof(ISelect<>).MakeGenericType(refMiddleEntityType3), refMiddleEntityType3).GetMethod("Any", new Type[0]));
var manySubSelectAsSelectExp = _dicFreeSqlGlobalExtensionsAsSelectExpression.GetOrAdd(parm123Ref.RefMiddleEntityType, refMiddleEntityType3 =>
Expression.Call(
typeof(FreeSqlGlobalExtensions).GetMethods(BindingFlags.Static | BindingFlags.Public).Where(mfil => mfil.Name == "AsSelect" && mfil.GetParameters().Length == 1).FirstOrDefault()?.MakeGenericMethod(refMiddleEntityType3),
Expression.Constant(Activator.CreateInstance(typeof(List<>).MakeGenericType(refMiddleEntityType3)))
));
var manyMainParam = tsc._tables[0].Parameter;
var manySubSelectWhereParam = Expression.Parameter(parm123Ref.RefMiddleEntityType, $"M{fsqlWhereParam.Name}_M{asSelectParentExp.ToString().Replace(".", "__")}");//, $"{fsqlWhereParam.Name}__");
Expression manySubSelectWhereExp = null;
for (var mn = 0; mn < parm123Ref.Columns.Count; mn++)
{
var col1 = parm123Ref.MiddleColumns[mn];
var col2 = parm123Ref.Columns[mn];
var pexp1 = Expression.Property(manySubSelectWhereParam, col1.CsName);
var pexp2 = Expression.Property(asSelectParentExp, col2.CsName);
if (col1.CsType != col2.CsType)
{
if (col1.CsType.IsNullableType()) pexp1 = Expression.Property(pexp1, _dicNullableValueProperty.GetOrAdd(col1.CsType, ct1 => ct1.GetProperty("Value")));
if (col2.CsType.IsNullableType()) pexp2 = Expression.Property(pexp2, _dicNullableValueProperty.GetOrAdd(col2.CsType, ct2 => ct2.GetProperty("Value")));
}
var tmpExp = Expression.Equal(pexp1, pexp2);
if (mn == 0) manySubSelectWhereExp = tmpExp;
else manySubSelectWhereExp = Expression.AndAlso(manySubSelectWhereExp, tmpExp);
}
var manySubSelectExpBoy = Expression.Call(
manySubSelectAsSelectExp,
manySubSelectWhere,
Expression.Lambda(
manySubSelectWhereExp,
manySubSelectWhereParam
)
);
Expression fsqlManyWhereExp = null;
for (var mn = 0; mn < parm123Ref.RefColumns.Count; mn++)
{
var col1 = parm123Ref.RefColumns[mn];
var col2 = parm123Ref.MiddleColumns[mn + parm123Ref.Columns.Count + mn];
var pexp1 = Expression.Property(fsqlWhereParam, col1.CsName);
var pexp2 = Expression.Property(manySubSelectWhereParam, col2.CsName);
if (col1.CsType != col2.CsType)
{
if (col1.CsType.IsNullableType()) pexp1 = Expression.Property(pexp1, _dicNullableValueProperty.GetOrAdd(col1.CsType, ct1 => ct1.GetProperty("Value")));
if (col2.CsType.IsNullableType()) pexp2 = Expression.Property(pexp2, _dicNullableValueProperty.GetOrAdd(col2.CsType, ct2 => ct2.GetProperty("Value")));
}
var tmpExp = Expression.Equal(pexp1, pexp2);
if (mn == 0) fsqlManyWhereExp = tmpExp;
else fsqlManyWhereExp = Expression.AndAlso(fsqlManyWhereExp, tmpExp);
}
fsqltables.Add(new SelectTableInfo { Alias = manySubSelectWhereParam.Name, Parameter = manySubSelectWhereParam, Table = manyTb, Type = SelectTableInfoType.Parent });
fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlManyWhereExp, fsqlWhereParam) });
var sql2 = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { "1" })?.ToString();
if (string.IsNullOrEmpty(sql2) == false)
manySubSelectExpBoy = Expression.Call(manySubSelectExpBoy, manySubSelectWhereSql, Expression.Constant($"exists({sql2.Replace("\r\n", "\r\n\t")})"), Expression.Constant(null));
manySubSelectExpBoy = Expression.Call(manySubSelectExpBoy, manySubSelectAny);
asSelectBefores.Clear();
return ExpressionLambdaToSql(manySubSelectExpBoy, tsc);
}
for (var mn = 0; mn < parm123Ref.Columns.Count; mn++)
{
var col1 = parm123Ref.MiddleColumns[mn];
var col1 = parm123Ref.RefColumns[mn];
var col2 = parm123Ref.Columns[mn];
var pexp1 = Expression.Property(manySubSelectWhereParam, col1.CsName);
var pexp1 = Expression.Property(fsqlWhereParam, col1.CsName);
var pexp2 = Expression.Property(asSelectParentExp, col2.CsName);
if (col1.CsType != col2.CsType)
{
@ -717,66 +773,42 @@ namespace FreeSql.Internal
if (col2.CsType.IsNullableType()) pexp2 = Expression.Property(pexp2, _dicNullableValueProperty.GetOrAdd(col2.CsType, ct2 => ct2.GetProperty("Value")));
}
var tmpExp = Expression.Equal(pexp1, pexp2);
if (mn == 0) manySubSelectWhereExp = tmpExp;
else manySubSelectWhereExp = Expression.AndAlso(manySubSelectWhereExp, tmpExp);
if (mn == 0) fsqlWhereExp = tmpExp;
else fsqlWhereExp = Expression.AndAlso(fsqlWhereExp, tmpExp);
}
var manySubSelectExpBoy = Expression.Call(
manySubSelectAsSelectExp,
manySubSelectWhere,
Expression.Lambda(
manySubSelectWhereExp,
manySubSelectWhereParam
)
);
Expression fsqlManyWhereExp = null;
for (var mn = 0; mn < parm123Ref.RefColumns.Count; mn++)
{
var col1 = parm123Ref.RefColumns[mn];
var col2 = parm123Ref.MiddleColumns[mn + parm123Ref.Columns.Count + mn];
var pexp1 = Expression.Property(fsqlWhereParam, col1.CsName);
var pexp2 = Expression.Property(manySubSelectWhereParam, col2.CsName);
if (col1.CsType != col2.CsType)
{
if (col1.CsType.IsNullableType()) pexp1 = Expression.Property(pexp1, _dicNullableValueProperty.GetOrAdd(col1.CsType, ct1 => ct1.GetProperty("Value")));
if (col2.CsType.IsNullableType()) pexp2 = Expression.Property(pexp2, _dicNullableValueProperty.GetOrAdd(col2.CsType, ct2 => ct2.GetProperty("Value")));
}
var tmpExp = Expression.Equal(pexp1, pexp2);
if (mn == 0) fsqlManyWhereExp = tmpExp;
else fsqlManyWhereExp = Expression.AndAlso(fsqlManyWhereExp, tmpExp);
}
fsqltables.Add(new SelectTableInfo { Alias = manySubSelectWhereParam.Name, Parameter = manySubSelectWhereParam, Table = manyTb, Type = SelectTableInfoType.Parent });
fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlManyWhereExp, fsqlWhereParam) });
var sql2 = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { "1" })?.ToString();
if (string.IsNullOrEmpty(sql2) == false)
manySubSelectExpBoy = Expression.Call(manySubSelectExpBoy, manySubSelectWhereSql, Expression.Constant($"exists({sql2.Replace("\r\n", "\r\n\t")})"), Expression.Constant(null));
manySubSelectExpBoy = Expression.Call(manySubSelectExpBoy, manySubSelectAny);
asSelectBefores.Clear();
fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlWhereExp, fsqlWhereParam) });
}
asSelectBefores.Clear();
return ExpressionLambdaToSql(manySubSelectExpBoy, tsc);
}
for (var mn = 0; mn < parm123Ref.Columns.Count; mn++)
switch (exp3.Method.Name)
{
var col1 = parm123Ref.RefColumns[mn];
var col2 = parm123Ref.Columns[mn];
var pexp1 = Expression.Property(fsqlWhereParam, col1.CsName);
var pexp2 = Expression.Property(asSelectParentExp, col2.CsName);
if (col1.CsType != col2.CsType)
{
if (col1.CsType.IsNullableType()) pexp1 = Expression.Property(pexp1, _dicNullableValueProperty.GetOrAdd(col1.CsType, ct1 => ct1.GetProperty("Value")));
if (col2.CsType.IsNullableType()) pexp2 = Expression.Property(pexp2, _dicNullableValueProperty.GetOrAdd(col2.CsType, ct2 => ct2.GetProperty("Value")));
}
var tmpExp = Expression.Equal(pexp1, pexp2);
if (mn == 0) fsqlWhereExp = tmpExp;
else fsqlWhereExp = Expression.AndAlso(fsqlWhereExp, tmpExp);
case "Any":
var sql = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { "1" })?.ToString();
if (string.IsNullOrEmpty(sql) == false)
return $"exists({sql.Replace("\r\n", "\r\n\t")})";
break;
case "Count":
var sqlCount = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { "count(1)" })?.ToString();
if (string.IsNullOrEmpty(sqlCount) == false)
return $"({sqlCount.Replace("\r\n", "\r\n\t")})";
break;
case "Sum":
case "Min":
case "Max":
case "Avg":
var sqlSum = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { $"{exp3.Method.Name.ToLower()}({ExpressionLambdaToSql(exp3.Arguments.FirstOrDefault(), tsc)})" })?.ToString();
if (string.IsNullOrEmpty(sqlSum) == false)
return $"({sqlSum.Replace("\r\n", "\r\n\t")})";
break;
case "First":
var sqlFirst = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { ExpressionLambdaToSql(exp3.Arguments.FirstOrDefault(), tsc) })?.ToString();
if (string.IsNullOrEmpty(sqlFirst) == false)
return $"({sqlFirst.Replace("\r\n", "\r\n\t")})";
break;
}
fsqlWhere.Invoke(fsql, new object[] { Expression.Lambda(fsqlWhereExp, fsqlWhereParam) });
}
asSelectBefores.Clear();
var sql = fsqlType.GetMethod("ToSql", new Type[] { typeof(string) })?.Invoke(fsql, new object[] { "1" })?.ToString();
if (string.IsNullOrEmpty(sql) == false)
return $"exists({sql.Replace("\r\n", "\r\n\t")})";
}
asSelectBefores.Clear();
break;
}
}
//var eleType = callType.GetElementType() ?? callType.GenericTypeArguments.FirstOrDefault();

2
Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net452</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 MySql 5.6</Description>

2
Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 MySql 5.6</Description>

2
Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 Oracle 11</Description>

2
Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 PostgreSQL 9.5</Description>

2
Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net451</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 SqlServer 2005+，并根据版本适配分页方法：row_number 或 offset fetch next</Description>

2
Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
View File

@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.7.7</Version>
<Version>0.7.8</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库实现，基于 Sqlite 3.0</Description>