[branch-2.1](pick) pick 5 commits #41713
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apache#41292) Consider 3 pipelines in this fragment (... -> join -> shuffle) : pipeline 0 : `... -> local exchange sink` pipeline 1 : `... -> join build (INNER JOIN)` pipeline 2 : `local exchange source -> join probe (INNER JOIN) -> data stream sender ` Assume the JoinBuild returned 0 rows, join probe can finish directly once join build finished and do not need to wait for the `local exchange sink` finished. In this case, if pipeline 0 is blocked by a dependency for a long time, pipeline 2 should notify pipeline 0 to finish.
…e#41555) For plan `local exchange (hash shuffle) -> union -> colocated agg`, we must ensure local exchange use the same hash algorithm as MPP shuffling. This problem is covered by our test cases but only can be reproduced on multiple BEs so no case is added in this PR.
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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run buildall |
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clang-tidy review says "All clean, LGTM! 👍" |
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TeamCity be ut coverage result: |
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Proposed changes
pick #41292 #41350 #41555 #41589 #41592