/// <summary>
/// 按主键排序
/// </summary>
/// <param name="desc"></param>
/// <returns></returns>
public override LambdaQuery <T> OrderByPrimaryKey(bool desc)
{
var key = TypeCache.GetTable(typeof(T)).PrimaryKey;
if (key == null)
{
return(this);
}
var field = new Attribute.FieldMapping()
{
QueryField = GetPrefix() + key.MapingName, PropertyType = key.PropertyType
};
SetOrder(field, desc);
//if (!string.IsNullOrEmpty(__QueryOrderBy))
//{
// __QueryOrderBy += ",";
//}
//var key = TypeCache.GetTable(typeof(T)).PrimaryKey;
//if (key == null)
//{
// return this;
//}
//__QueryOrderBy += string.Format(" {2}{0} {1}", key.MapingName, desc ? "desc" : "asc", GetPrefix());
//QueryOrderBy = ReplacePrefix(QueryOrderBy);
return(this);
}
internal void SetOrder(Attribute.FieldMapping field, bool desc)
{
var str = field.QueryField + (desc ? " desc" : " asc");
if (__QueryOrderBy != "")
{
str = "," + str;
}
__QueryOrderBy += str;
}
/// <summary>
/// 按主键排序
/// </summary>
/// <param name="desc"></param>
/// <returns></returns>
public override ILambdaQuery <T> OrderByPrimaryKey(bool desc)
{
var key = TypeCache.GetTable(typeof(T)).PrimaryKey;
if (key == null)
{
return(this);
}
var field = new Attribute.FieldMapping()
{
QueryField = GetPrefix() + key.MapingName, PropertyType = key.PropertyType
};
SetOrder(field, desc);
return(this);
}
public SelectFieldInfo(Attribute.FieldMapping field)
{
mapping = mapping ?? new List <Attribute.FieldMapping>();
mapping.Add(field);
}
