branch-4.0: [fix] remove useless const_cast and explain const_cast(3) #56441 #57331
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### What problem does this PR solve? go through whole be/ and find all const_cast Issue Number: #55057 Problem Summary: 1. remove useless const_cast 2. explain why using const_cast does not result in undefined behavior 3. don't modify some const_cast (1) some code in DBUG_EXECUTE_IF or test file (2) underlying data structures, such as cow (3) const_cast<const T*> ### Release note None ### Check List (For Author) - Test <!-- At least one of them must be included. --> - [ ] Regression test - [ ] Unit Test - [ ] Manual test (add detailed scripts or steps below) - [x] No need to test or manual test. Explain why: - [ ] This is a refactor/code format and no logic has been changed. - [x] Previous test can cover this change. - [ ] No code files have been changed. - [ ] Other reason <!-- Add your reason? --> - Behavior changed: - [x] No. - [ ] Yes. <!-- Explain the behavior change --> - Does this need documentation? - [x] No. - [ ] Yes. <!-- Add document PR link here. eg: apache/doris-website#1214 --> ### Check List (For Reviewer who merge this PR) - [ ] Confirm the release note - [ ] Confirm test cases - [ ] Confirm document - [ ] Add branch pick label <!-- Add branch pick label that this PR should merge into -->
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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run buildall |
yiguolei
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Oct 26, 2025
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PR approved by at least one committer and no changes requested. |
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Cherry-picked from #56441