fix: prevent duplicate alias collision with user-provided __datafusion_extracted names#20432

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adriangb wants to merge 6 commits intoapache:mainfrom

pydantic:fix-expr-bug

Commits on Feb 20, 2026

fix: prevent duplicate alias collision with user-provided __datafusion_extracted names (#20430)

adriangb
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claude
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fix slt
adriangb
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remove unit test that doesn't reproduce the bug without get_field

adriangb
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claude
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fix: traverse subqueries in extract_leaf_expressions and fix clippy

adriangb
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claude
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refactor: chain parse into and_then for cleaner option handling

adriangb
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claude
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test: add EXPLAIN assertion for __datafusion_extracted alias allocation

adriangb
and
claude
committed