perf: split row groups by file range (morsel splitting) - #23285

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Dandandan:split-row-groups-by-range

Commits on Jul 1, 2026

perf: split row groups by file range for parallel single-row-group scans (morsel splitting)

Dandandan
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claude
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6d1a25a

Commits on Jul 2, 2026

perf: split the tail of a shared scan queue into ~1MiB projected-size morsels

Dandandan
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claude
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95185fa
perf: share opened-file state across scan pieces; page-align range splits

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claude
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46e73b2