public IEnumerator <T> GetEnumerator()
{
CheckDisposed();
ChoParquetRecordReader rr = new ChoParquetRecordReader(typeof(T), Configuration);
if (_streamReader != null)
{
_parquetReader = Create(_streamReader.Value);
}
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.BeforeRowGroupLoad += BeforeRowGroupLoad;
rr.AfterRowGroupLoaded += AfterRowGroupLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var beforeRowGroup = BeforeRowGroupLoad;
var afterRowGroup = AfterRowGroupLoaded;
if (beforeRowGroup != null || afterRowGroup != null)
{
rr.InterceptRowGroup = true;
}
var e = rr.AsEnumerable(_parquetReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => {
++_recordNumber;
return e.MoveNext();
}, () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
public IEnumerator <T> GetEnumerator()
{
ChoParquetRecordReader rr = new ChoParquetRecordReader(typeof(T), Configuration);
if (_sr != null)
{
_parquetReader = Create(_sr);
}
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var e = rr.AsEnumerable(_parquetReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
