lsm/SqlSugar
1
0
Fork 0
mirror of https://gitee.com/dotnetchina/SqlSugar.git synced 2025-11-08 02:14:53 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update Expression To Sql

Browse Source
This commit is contained in:
sunkaixuan
2017-11-06 16:50:21 +08:00
parent e309fade00
commit 96c00179a3
4 changed files with 133 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubAvg.cs Normal file
View File

@@ -0,0 +1,44 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace SqlSugar
{
public class SubAvg: ISubOperation
{
public string Name
{
get
{
return "Avg";
}
}
public Expression Expression
{
get; set;
}
public int Sort
{
get
{
return 200;
}
}
public ExpressionContext Context
{
get; set;
}
public string GetValue(Expression expression = null)
{
var exp = expression as MethodCallExpression;
return "AVG(" + SubTools.GetMethodValue(this.Context, exp.Arguments[0], ResolveExpressType.FieldSingle) + ")";
}
}
}

44
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubSum.cs Normal file
View File

@@ -0,0 +1,44 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace SqlSugar
{
public class SubSum:ISubOperation
{
public string Name
{
get
{
return "Sum";
}
}
public Expression Expression
{
get; set;
}
public int Sort
{
get
{
return 200;
}
}
public ExpressionContext Context
{
get; set;
}
public string GetValue(Expression expression = null)
{
var exp = expression as MethodCallExpression;
return "SUM("+SubTools.GetMethodValue(this.Context, exp.Arguments[0], ResolveExpressType.FieldSingle)+")";
}
}
}

46
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
View File

@@ -21,10 +21,15 @@ namespace SqlSugar
{
return this;
}
public TResult Select<TResult>(Func<T, TResult> expression) where TResult :struct
{
return default(TResult);
}
public Byte[] Select(Func<T, Byte[]> expression)
{
return null;
}
public string Select(Func<T, string> expression)
{
return default(string);
@@ -34,19 +39,54 @@ namespace SqlSugar
{
return default(TResult);
}
public TResult Min<TResult>(Func<T, TResult> expression) where TResult : struct
public Byte[] Max(Func<T, Byte[]> expression)
{
return default(TResult);
return null;
}
public string Max(Func<T, string> expression)
{
return default(string);
}
public string Min(Func<T, string> expression)
{
return default(string);
}
public TResult Min<TResult>(Func<T, TResult> expression) where TResult : struct
{
return default(TResult);
}
public Byte[] Min(Func<T, Byte[]> expression)
{
return null;
}
public string Sum(Func<T, string> expression)
{
return default(string);
}
public TResult Sum<TResult>(Func<T, TResult> expression) where TResult : struct
{
return default(TResult);
}
public Byte[] Sum(Func<T, Byte[]> expression)
{
return null;
}
public string Avg(Func<T, string> expression)
{
return default(string);
}
public TResult Avg<TResult>(Func<T, TResult> expression) where TResult : struct
{
return default(TResult);
}
public Byte[] Avg(Func<T, Byte[]> expression)
{
return null;
}
public bool Any()
{

2
Src/Asp.Net/SqlSugar/SqlSugar.csproj
View File

@@ -87,6 +87,8 @@
<Compile Include="ExpressionsToSql\Subquery\Items\SubFromTable.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubAny.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubBegin.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubAvg.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubSum.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubMin.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubMax.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubOrderBy.cs" />