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

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C#
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2022-09-20 03:10:29 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace SqlSugar
{
public class SubGroupBy : ISubOperation
{
public bool HasWhere
{
get; set;
}
public string Name
{
get { return "GroupBy"; }
}
public Expression Expression
{
get; set;
}
public int Sort
{
get
{
return 479;
}
}
public ExpressionContext Context
{
get; set;
}
public string GetValue(Expression expression)
{
var exp = expression as MethodCallExpression;
var argExp = exp.Arguments[0];
var result = "GROUP BY " + SubTools.GetMethodValue(this.Context, argExp, ResolveExpressType.FieldSingle);
var selfParameterName = this.Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name) + UtilConstants.Dot;
result = result.Replace(selfParameterName, SubTools.GetSubReplace(this.Context));
return result;
}
}
}