private void HandleSchemaChange(ResultResponse response, OutputSchemaChange schemaChange)
{
var result = FillRowSet(new RowSet(), response);
// This is a schema change so initialize schema in agreement as false
result.Info.SetSchemaInAgreement(false);
// Wait for the schema change before returning the result
_parent.SetCompleted(
result,
() =>
{
var schemaAgreed = _session.Cluster.Metadata.WaitForSchemaAgreement(_connection);
result.Info.SetSchemaInAgreement(schemaAgreed);
try
{
TaskHelper.WaitToComplete(
_session.InternalCluster.GetControlConnection().HandleSchemaChangeEvent(schemaChange.SchemaChangeEventArgs, true),
_session.Cluster.Configuration.ProtocolOptions.MaxSchemaAgreementWaitSeconds * 1000);
}
catch (TimeoutException)
{
RequestExecution.Logger.Warning("Schema refresh triggered by a SCHEMA_CHANGE response timed out.");
}
});
}
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");
}
}
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");
}
}
