Reduce Schema clones in parquet row filter creation #9
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alamb
changed the title
alamb
commented
Mar 17, 2025
| // `a = 1 AND b = 2 AND c = 3` -> [`a = 1`, `b = 2`, `c = 3`] | ||
| let predicates = split_conjunction(expr); | ||
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| let file_schema = Arc::new(file_schema.clone()); |
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these are deep clones (clone the entire Schema) where as with this PR only the Arc is cloned (ref count incremented)
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Yup makes total sense, I was just cautious to update the signature for build_row_filter since it seems to be a public function.
adriangb
merged commit 57c5c46
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pydantic:fix-predicate-pushdown-sa
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Proposed addition to apache#15263 to reduce Schema clones