public object ToProperty(DataContext context, IDataReader datareader, QueryState queryState, string fieldPath)
{
if (!queryState.GetJoinData(fieldPath, out object value))
{
string aliasName = queryState.GetAliasName(fieldPath);
foreach (DataFieldInfo info in this.relateInfos)
{
string name = string.Format("{0}_{1}", aliasName, info.FieldName);
if (queryState.CheckSelectField(aliasName))
{
object obj = datareader[name];
if (Object.Equals(obj, DBNull.Value) || Object.Equals(obj, null))
{
queryState.SetJoinData(fieldPath, null);
return(null);
}
}
else
{
queryState.SetJoinData(fieldPath, null);
return(null);
}
}
if (queryState.CheckSelectField(aliasName))
{
//object item = Activator.CreateInstance(this.RelateMapping.ObjectType);
//queryState.SetJoinData(fieldPath, item);
//this.relateEntityMapping.LoadJoinTableData(context, datareader, item, queryState, fieldPath);
//value = item;
value = this.relateEntityMapping.LoadJoinTableData(context, datareader, queryState, fieldPath);
}
else
{
queryState.SetJoinData(fieldPath, null);
return(null);
}
}
return(value);
}