/// <summary>
/// 按TJoin追加条件
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
public LambdaQueryJoin <T, TJoin> Where(Expression <Func <TJoin, bool> > expression)
{
string condition = BaseQuery.FormatExpression(expression.Body).SqlOut;
BaseQuery.AddInnerRelationCondition(new TypeQuery(typeof(TJoin)), condition);
return(this);
}