old_flsystem/类库/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs

50 lines
1.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace SqlSugar
{
public class SubWhere: ISubOperation
{
public bool HasWhere
{
get; set;
}
public string Name
{
get { return "Where"; }
}
public Expression Expression
{
get; set;
}
public int Sort
{
get
{
return 400;
}
}
public ExpressionContext Context
{
get;set;
}
public string GetValue(Expression expression)
{
var exp = expression as MethodCallExpression;
var argExp= exp.Arguments[0];
var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);;
var selfParameterName = Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name)+UtilConstants.Dot;
result = result.Replace(selfParameterName,SubTools.GetSubReplace(this.Context));
return result;
}
}
}