alexguo-db commented on code in PR #2737:
URL: https://github.com/apache/arrow-adbc/pull/2737#discussion_r2059348236
##########
csharp/src/Drivers/Databricks/CloudFetch/CloudFetchResultFetcher.cs:
##########
@@ -129,6 +129,14 @@ private async Task FetchResultsAsync(CancellationToken
cancellationToken)
{
try
{
+ // Process direct results first, if available
+ if (_statement.HasDirectResults &&
_statement.DirectResults?.ResultSet?.Results?.ResultLinks?.Count > 0)
+ {
+ // Yield execution so the download queue doesn't get
blocked before downloader is started
+ await Task.Yield();
Review Comment:
Without this line, there's a deadlock because the _downloadQueue is full,
and there's no queue consumer since the downloader hasn't started yet
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