perf(scan): reduce system column pipeline overhead - #8717
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jiaoew1991 merged 2 commits intoAug 25, 2026
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✅ Gate recommendation: approve.
The base rebase leaves the reviewed implementation patch-equivalent. Bounded read-ahead and consolidated system-column assembly continue to preserve scan and error semantics while delivering the verified performance improvement.
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Superseded
This PR was merged only into its temporary integration base while the dependency stack was being refreshed; it was not merged into
main.Please review #8747, which carries the focused system-column pipeline diff on the refreshed dependency base.