Adaptive filter scheduling for Parquet scans#21752

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adriangb wants to merge 7 commits intoapache:mainfrom

adriangb:filter-pushdown-dynamic-bytes-morsels

Commits on Apr 20, 2026

feat: adaptive filter selectivity tracking for Parquet pushdown

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fix: start optional filters as RowFilter when byte ratio is small

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fix: mid-stream skip for ineffective optional row/post-scan filters

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fix: admit zero-bytes-saved samples so skip fires for filter==projection

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test: update expected output for Optional(DynamicFilter) wrapper

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fix: typos lint and force_hash_collisions snapshot

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fix: wrap DynamicFilter with Optional(...) in statistics_registry.slt

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