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branch-4.1: [fix](function) fix tokenize function incorrect result when first argument is const #62699 - #63735
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…ument is const (#62699) ## Proposed changes Fix a bug in the `tokenize` function where `unpack_if_const` unwraps a `ColumnConst` to its inner data column (which has only 1 row), but `_do_tokenize` and `_do_tokenize_none` iterate based on the source column's row count. This causes only 1 output row to be produced instead of `input_rows_count` rows when the first argument is a constant. For example, `SELECT tokenize('hello world', 'parser=english') FROM table_with_many_rows` would previously return only 1 row instead of the expected number of rows matching the table. The fix wraps the result in `ColumnConst` when the source column was const, which is the standard pattern used throughout the Doris codebase for handling const columns in function execution. ## Further comments Related Jira: DORIS-25296 ## Checklist(Required) 1. Does it affect the results of the existing test cases (Yes/No): No 2. Does it need to update the document (Yes/No): No 3. Is there a risk of compatibility changes (Yes/No): No
hello-stephen
commented
May 27, 2026
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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hello-stephen
commented
May 27, 2026
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run buildall |
yiguolei
commented
May 27, 2026
Contributor
skip buildall |
yiguolei
approved these changes
May 27, 2026
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
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Cherry-picked from #62699