internal override async Task <bool> NextAsync()
{
if (isClosed)
{
throw new SnowflakeDbException(SFError.DATA_READER_ALREADY_CLOSED);
}
_currentChunkRowIdx++;
if (_currentChunkRowIdx < _currentChunkRowCount)
{
return(true);
}
if (_chunkDownloader != null)
{
// GetNextChunk could be blocked if download result is not done yet.
// So put this piece of code in a seperate task
Logger.Info("Get next chunk from chunk downloader");
IResultChunk nextChunk = await _chunkDownloader.GetNextChunkAsync();
if (nextChunk != null)
{
resetChunkInfo(nextChunk);
return(true);
}
else
{
return(false);
}
}
return(false);
}
internal override bool Next()
{
if (isClosed)
{
throw new SnowflakeDbException(SFError.DATA_READER_ALREADY_CLOSED);
}
_currentChunkRowIdx++;
if (_currentChunkRowIdx < _currentChunkRowCount)
{
return(true);
}
Logger.Info("Get next chunk from chunk downloader");
SFResultChunk nextChunk;
if ((nextChunk = _chunkDownloader?.GetNextChunkAsync().Result) != null)
{
resetChunkInfo(nextChunk);
return(true);
}
return(false);
}