Antalya 25.8.14 backport of #87687 - Fix two-level aggregation when using Merge over Distributed #1328
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
…merge-distributed Fix two-level aggregation when using Merge over Distributed
…_merge_two_level_aggregation tests: fix 03403_distributed_merge_two_level_aggregation flakiness
mkmkme
added
backport
ianton-ru
reviewed
Jan 21, 2026
tests/queries/0_stateless/03403_distributed_merge_two_level_aggregation.sql
Outdated
Show resolved
Hide resolved
Collaborator
Author
|
The failed stateless tests are also related to Otherwise the actual output of the test shows that the issue has been resolved, which is seen by the line I'll update the |
…uckets_out_of_order_in_aggregation The test failed due to an extra step in actual pipeline output. It is caused by a missing optimization `enable_producing_buckets_out_of_order_in_aggregation` that was added to upstream later and is not worth backporting at this point. The change can be seen at [1]. [1]: https://github.com/ClickHouse/ClickHouse/pull/80179/changes#diff-1806a5c1f13b491c615e887366acf1daac6d85b1528be423e3762705482c80fbR574
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR also backports ClickHouse#88406 to fix the flaky test added in the original PR
Changelog category (leave one):
Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Fixed two-level aggregation when using
MergeoverDistributed(ClickHouse#87687 by @c-end + ClickHouse#88406 by @azat).CI/CD Options
Exclude tests:
Regression jobs to run: