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PR: fix RIGHT joins chain#97316

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devcrafter merged 5 commits intomasterfrom
pr-fix-right-joins
Feb 20, 2026
Merged

PR: fix RIGHT joins chain#97316
devcrafter merged 5 commits intomasterfrom
pr-fix-right-joins

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Changelog category (leave one):

  • Bug Fix (user-visible misbehavior in an official stable release)

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Query with RIGHT JOIN chain and enabled parallel replicas can produce incorrect result. Fixes #74341

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clickhouse-gh bot commented Feb 18, 2026

Workflow [PR], commit [b5894bf]

Summary:

job_name test_name status info comment
AST fuzzer (amd_debug) failure
Logical error: Unexpected return type from A. Expected B. Got C. Action: (STID: 1611-343c) FAIL cidb, issue
Finish Workflow failure
python3 ./ci/jobs/scripts/workflow_hooks/new_tests_check.py failure

@clickhouse-gh clickhouse-gh bot added the pr-bugfix Pull request with bugfix, not backported by default label Feb 18, 2026
@nickitat nickitat self-assigned this Feb 18, 2026
@devcrafter devcrafter marked this pull request as ready for review February 18, 2026 22:03
@devcrafter devcrafter added this pull request to the merge queue Feb 20, 2026
Merged via the queue into master with commit 27128fd Feb 20, 2026
144 of 147 checks passed
@devcrafter devcrafter deleted the pr-fix-right-joins branch February 20, 2026 21:16
@robot-ch-test-poll1 robot-ch-test-poll1 added the pr-synced-to-cloud The PR is synced to the cloud repo label Feb 20, 2026
Algunenano pushed a commit to Algunenano/ClickHouse that referenced this pull request Feb 24, 2026
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Successfully merging this pull request may close these issues.

Duplicates on RIGHT JOIN with Values table and parallel_replicas_local_plan=0 (Parallel replicas)

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