public IServerCursor OpenCursor(string expression, DataParams paramsValue)
{
#if LOGCACHEEVENTS
FSession.FServer.FInternalServer.LogMessage(String.Format("Thread {0} opening cursor '{1}'.", Thread.CurrentThread.GetHashCode(), AExpression));
#endif
RemoteParamData localParamsValue = DataParamsToRemoteParamData(paramsValue);
IRemoteServerExpressionPlan plan;
IRemoteServerCursor cursor;
PlanDescriptor descriptor;
ProgramStatistics executeTime;
LocalExpressionPlan localPlan;
LocalCursor localCursor;
if (ProcessInfo.FetchAtOpen && (ProcessInfo.FetchCount > 1))
{
Guid[] bookmarks;
RemoteFetchData fetchData;
cursor = _process.OpenCursor(expression, ref localParamsValue, out plan, out descriptor, out executeTime, GetProcessCallInfo(), GetProcessCleanupInfo(), out bookmarks, ProcessInfo.FetchCount, out fetchData);
RemoteParamDataToDataParams(paramsValue, localParamsValue);
localPlan = new LocalExpressionPlan(this, plan, descriptor, paramsValue, executeTime);
localCursor = new LocalCursor(localPlan, cursor);
localCursor.ProcessFetchData(fetchData, bookmarks, true);
}
else
{
cursor = _process.OpenCursor(expression, ref localParamsValue, out plan, out descriptor, out executeTime, GetProcessCallInfo(), GetProcessCleanupInfo());
RemoteParamDataToDataParams(paramsValue, localParamsValue);
localPlan = new LocalExpressionPlan(this, plan, descriptor, paramsValue, executeTime);
localCursor = new LocalCursor(localPlan, cursor);
}
return(localCursor);
}
/// <summary>Opens a server-side cursor based on the prepared statement this plan represents.</summary>
/// <returns>An <see cref="IServerCursor"/> instance for the prepared statement.</returns>
public IServerCursor Open(DataParams paramsValue)
{
RemoteParamData localParamsValue = ((LocalProcess)_process).DataParamsToRemoteParamData(paramsValue);
IRemoteServerCursor serverCursor;
LocalCursor cursor;
if (_process.ProcessInfo.FetchAtOpen && (_process.ProcessInfo.FetchCount > 1) && Supports(CursorCapability.Bookmarkable))
{
Guid[] bookmarks;
RemoteFetchData fetchData;
serverCursor = _plan.Open(ref localParamsValue, out _programStatistics, out bookmarks, _process.ProcessInfo.FetchCount, out fetchData, _process.GetProcessCallInfo());
_programStatisticsCached = false;
cursor = new LocalCursor(this, serverCursor);
cursor.ProcessFetchData(fetchData, bookmarks, true);
}
else
{
serverCursor = _plan.Open(ref localParamsValue, out _programStatistics, _process.GetProcessCallInfo());
_programStatisticsCached = false;
cursor = new LocalCursor(this, serverCursor);
}
((LocalProcess)_process).RemoteParamDataToDataParams(paramsValue, localParamsValue);
return(cursor);
}