internal virtual Row ProcessRowItem(OutputRows outputRows)
{
var valuesList = new List <byte[]>();
int i = 0;
foreach (int len in outputRows.GetRawColumnLengths())
{
if (len < 0)
{
valuesList.Add(null);
}
else
{
var buffer = new byte[len];
outputRows.ReadRawColumnValue(buffer, 0, len);
valuesList.Add(buffer);
}
i++;
if (i >= outputRows.Metadata.Columns.Length)
{
break;
}
}
return(new Row(valuesList.ToArray(), outputRows.Metadata.Columns, outputRows.Metadata.ColumnIndexes));
}
internal ResultResponse(Frame frame) : base(frame)
{
Kind = (ResultResponseKind)Reader.ReadInt32();
switch (Kind)
{
case ResultResponseKind.Void:
Output = new OutputVoid(TraceId);
break;
case ResultResponseKind.Rows:
var outputRows = new OutputRows(Reader, frame.ResultMetadata, TraceId);
Output = outputRows;
if (outputRows.ResultRowsMetadata.HasNewResultMetadataId())
{
NewResultMetadata = new ResultMetadata(
outputRows.ResultRowsMetadata.NewResultMetadataId, outputRows.ResultRowsMetadata);
}
break;
case ResultResponseKind.SetKeyspace:
Output = new OutputSetKeyspace(Reader.ReadString());
break;
case ResultResponseKind.Prepared:
Output = new OutputPrepared(frame.Header.Version, Reader);
break;
case ResultResponseKind.SchemaChange:
Output = new OutputSchemaChange(frame.Header.Version, Reader, TraceId);
break;
default:
throw new DriverInternalError("Unknown ResultResponseKind Type");
}
}
/// <summary>
/// Process rows and sets the paging event handler
/// </summary>
internal virtual void ProcessRows(RowSet rs, OutputRows outputRows, Session session)
{
if (outputRows.Metadata != null)
{
rs.Columns = outputRows.Metadata.Columns;
rs.PagingState = outputRows.Metadata.PagingState;
if (rs.PagingState != null)
{
rs.FetchNextPage = (pagingState) =>
{
if (session.IsDisposed)
{
_logger.Warning("Trying to page results using a Session already disposed.");
return(new RowSet());
}
Statement.SetPagingState(pagingState);
return(session.Execute(Statement));
};
}
}
for (var i = 0; i < outputRows.Rows; i++)
{
rs.AddRow(ProcessRowItem(outputRows));
}
}
internal ResultResponse(Frame frame)
: base(frame)
{
//Handle result flags
if ((frame.Header.Flags & FrameHeader.HeaderFlag.Warning) != 0)
{
Warnings = Reader.ReadStringList();
}
if ((frame.Header.Flags &FrameHeader.HeaderFlag.CustomPayload) != 0)
{
CustomPayload = Reader.ReadBytesMap();
}
Kind = (ResultResponseKind) Reader.ReadInt32();
switch (Kind)
{
case ResultResponseKind.Void:
Output = new OutputVoid(TraceId);
break;
case ResultResponseKind.Rows:
Output = new OutputRows(Reader, TraceId);
break;
case ResultResponseKind.SetKeyspace:
Output = new OutputSetKeyspace(Reader.ReadString());
break;
case ResultResponseKind.Prepared:
Output = new OutputPrepared(frame.Header.Version, Reader);
break;
case ResultResponseKind.SchemaChange:
Output = new OutputSchemaChange(Reader, TraceId);
break;
default:
throw new DriverInternalError("Unknown ResultResponseKind Type");
}
}
