branch-4.1: [improvement](topn) check multiget result rows against request row id count and add be UT #61758#61773
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yiguolei merged 1 commit intobranch-4.1from Mar 26, 2026
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… count and add be UT (#61758) Check multiget result rows matches request row id count when doing merge_multi_response: 1. A BE may return an empty block event if request.request_block_descs(i).row_id_size() != 0: If the id_file_map was GC'd on the BE before it could process the request, refer 'if (!id_file_map)' in RowIdStorageReader::read_by_rowids. 2. Report error in any case where the row count doesn't match, even if it's not empty, since that indicates a bug in BE's row fetching logic or serialization logic. Also add comments. ### What problem does this PR solve? Issue Number: close #xxx Related PR: #xxx Problem Summary: ### 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) - [ ] No need to test or manual test. Explain why: - [ ] This is a refactor/code format and no logic has been changed. - [ ] Previous test can cover this change. - [ ] No code files have been changed. - [ ] Other reason <!-- Add your reason? --> - Behavior changed: - [ ] No. - [ ] Yes. <!-- Explain the behavior change --> - Does this need documentation? - [ ] 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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Cherry-picked from #61758