Cherry pick #93029 to 25.12: Fix leaving connection in a broken state after preliminary cancellation distributed queries#93058
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robot-clickhouse merged 2 commits intobackport/25.12/93029from Dec 25, 2025
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…on distributed queries The problem is that some places in the code (i.e. RemoteSource::onUpdatePorts()), can call finish() even before sendQueryAsync() finishes sending the query, and so if after it will try to call finish() again (after sendQueryAsync() finishes) it will be no-op. The problem pops up after #92807, since RemoteSource has these (anti-)pattern.
Fix leaving connection in a broken state after preliminary cancellation distributed queries
robot-clickhouse
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robot-clickhouse
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Original pull-request #93029
Do not merge this PR manually
This pull-request is a first step of an automated backporting.
It contains changes similar to calling
git cherry-picklocally.If you intend to continue backporting the changes, then resolve all conflicts if any.
Otherwise, if you do not want to backport them, then just close this pull-request.
The check results does not matter at this step - you can safely ignore them.
Troubleshooting
If the conflicts were resolved in a wrong way
If this cherry-pick PR is completely screwed by a wrong conflicts resolution, and you want to recreate it:
pr-cherrypicklabel from the PRYou also need to check the Original pull-request for
pr-backports-createdlabel, and delete if it's presented thereThe PR source
The PR is created in the CI job