Make lanes.size safe to drop: defer reads + server_default for writes (PP-4506)#3481

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jonathangreen merged 3 commits into

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feature/PP-4506-drop-lane-size-columns

Jul 15, 2026

Commits on Jul 15, 2026

Mark deprecated lanes.size columns as deferred (PP-4506)

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jonathangreen
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Make lanes.size write-safe via server_default before drop (PP-4506)
jonathangreen
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Some small human comment cleanup
jonathangreen
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