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planner/core: push down topn to mpp (#24081) #25162
planner/core: push down topn to mpp (#24081) #25162
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
/run-all-tests |
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/merge |
This pull request has been accepted and is ready to merge. Commit hash: 3765698
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/merge |
cherry-pick #24081 to release-5.0
You can switch your code base to this Pull Request by using git-extras:
# In tidb repo: git pr https://github.com/pingcap/tidb/pull/25162
After apply modifications, you can push your change to this PR via:
What problem does this PR solve?
Problem Summary:
Push topN to mpp
What is changed and how it works?
How it Works:
Add mpp task in "exhaust plan" phase.
Related changes
Nah
Check List
Tests
Side effects
None
Release note