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While I'm working on other stuff which also uses Stream, I found on this StreamState::Error returning Poll::Pending without scheduling a wake for the task will cause the stream execution stuck if continuous poll is called after error happens.
the result of poll already reflects the error and we won't go for next poll
This is only if using a method that inspects the return types. If you used something like collect instead of try_collect you would just continue going after the error
Actually returning Poll::Pending without scheduling a wake for the task will cause the stream execution stuck if such poll is called.
Benchmark runs are scheduled for baseline = 8f99692 and contender = 513d543. 513d543 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java
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Which issue does this PR close?
Closes #.
Rationale for this change
While I'm working on other stuff which also uses
Stream, I found on thisStreamState::ErrorreturningPoll::Pendingwithout scheduling a wake for the task will cause the stream execution stuck if continuouspollis called after error happens.What changes are included in this PR?
Are there any user-facing changes?