feat: resolve data overlay files on the take (and scan) read path#7536

Merged

wjones127 merged 16 commits into

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will/oss-1324-take-can-read-overlays

Jul 15, 2026

Commits on Jul 13, 2026

feat: resolve data overlay files on the take and scan read path

wjones127
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claude
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test: cover data overlay read-path edge cases

wjones127
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claude
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perf: route overlays bitmap-major on contiguous scans

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claude
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refactor(overlay): clearer read-path terminology

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claude
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perf(overlay): open overlay readers lazily, pruned to the read's rows

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claude
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refactor(overlay): index overlays by field id when planning

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claude
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refactor(overlay): keep routing helpers private to the module

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claude
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test(overlay): cover multi-batch scan offset slicing

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claude
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test(overlay): cover empty take, string column, and projection pruning

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fix(overlay): resolve overlays on struct and list columns

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fix(overlay): resolve overlays per leaf atom, splicing into columns

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refactor(overlay): rename AtomOverlayPlan to LoadedAtom, inline routing accessors

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test(overlay): cover NULL base cells and map columns

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claude
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test(overlay): assert the missing-file error and cover projecting an intermediate struct

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refactor(overlay): rename "atom" to "atomic field"

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perf(overlay): avoid materializing arrow types when enumerating atomic fields

wjones127
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claude
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feat: resolve data overlay files on the take (and scan) read path#7536

feat: resolve data overlay files on the take (and scan) read path#7536
wjones127 merged 16 commits into
mainfrom
will/oss-1324-take-can-read-overlays

Commits on Jul 13, 2026

feat: resolve data overlay files on the take and scan read path

test: cover data overlay read-path edge cases

perf: route overlays bitmap-major on contiguous scans

refactor(overlay): clearer read-path terminology

perf(overlay): open overlay readers lazily, pruned to the read's rows

refactor(overlay): index overlays by field id when planning

refactor(overlay): keep routing helpers private to the module

test(overlay): cover multi-batch scan offset slicing

test(overlay): cover empty take, string column, and projection pruning

fix(overlay): resolve overlays on struct and list columns

fix(overlay): resolve overlays per leaf atom, splicing into columns

refactor(overlay): rename AtomOverlayPlan to LoadedAtom, inline routing accessors

test(overlay): cover NULL base cells and map columns

test(overlay): assert the missing-file error and cover projecting an intermediate struct

refactor(overlay): rename "atom" to "atomic field"

perf(overlay): avoid materializing arrow types when enumerating atomic fields