public async Task <bool> MoveNext(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (_underlyingIterator == null)
{
if (!_job.Completed)
{
_job = await _job.PollUntilCompletedAsync(_pollSettings, cancellationToken).ConfigureAwait(false);
}
_underlyingIterator = _job.ResponseRows.GetEnumerator();
}
// Keep asking for rows until we've got one, or we've run out of pages.
while (!_underlyingIterator.MoveNext())
{
if (_options.PageToken == null)
{
return(false);
}
var nextResults = await _job._client.GetQueryResultsAsync(_job.JobReference, _options, cancellationToken).ConfigureAwait(false);
_options.PageToken = nextResults._response.PageToken;
_underlyingIterator = nextResults.ResponseRows.GetEnumerator();
}
return(true);
}
public AsyncRowEnumerator(BigQueryResults parent)
{
_parent = parent;
_options = parent._options?.Clone() ?? new GetQueryResultsOptions();
_options.StartIndex = null;
_options.PageToken = parent._response.PageToken;
_underlyingEnumerator = parent.ResponseRows.GetEnumerator();
}
public AsyncRowEnumerator(BigQueryResults job, PollSettings pollSettings)
{
_job = job;
_pollSettings = pollSettings;
_options = _job._options?.Clone() ?? new GetQueryResultsOptions();
_options.StartIndex = null;
_options.PageToken = _job._response.PageToken;
}
public AsyncRowEnumerable(BigQueryResults parent) => _parent = parent;
public AsyncRowEnumerable(BigQueryResults job, PollSettings pollSettings)
{
_job = job;
_pollSettings = pollSettings;
}
