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  • [OPIK-6781] [DOCS] Add migration rollback rule: empty for in-place column changes (#6966)

    frostbyte_neo 发布于 2026-06-04 09:05:38 +00:00

    Codifies the convention surfaced in #6962/#6965: additive/structural
    changes (new table/column/index) get a real rollback, but in-place changes
    to an existing column (enum modify/rename, type/precision changes) must use
    --rollback empty. Reverting in-place changes reintroduces the fixed bug and
    is lossy once new data is written under the new definition.

    Updated all three migration guidance files: the backend rule and both skill
    copies (.claude + .agents).

    Co-authored-by: Claude Opus 4.8 (1M context) noreply@anthropic.com

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