/// <summary>
/// Run a Query but don't dispose the source, and return the count of rows from the query.
/// </summary>
/// <param name="pipeline">IXTable of source or query to run</param>
/// <param name="cancellationToken">Token to allow early cancellation</param>
/// <param name="batchSize">Number of rows to process on each iteration</param>
/// <returns>Count of rows in this source or query.</returns>
public static RunResult RunWithoutDispose(this IXTable pipeline, CancellationToken cancellationToken = default(CancellationToken), int batchSize = DefaultBatchSize)
{
RunResult result = new RunResult();
Stopwatch w = Stopwatch.StartNew();
while (true)
{
int batchCount = pipeline.Next(batchSize, cancellationToken);
result.RowCount += batchCount;
if (cancellationToken.IsCancellationRequested)
{
break;
}
else if (batchCount == 0)
{
result.IsComplete = true;
break;
}
}
result.Elapsed = w.Elapsed;
return(result);
}
