Function _need_upgrade

apps/base/migrations/migrations_005.py:4–10

(columns: list[tuple])

def _need_upgrade(columns: list[tuple]) -> bool:
    for column in columns:
        # PRAGMA table_info 返回 (cid, name, type, notnull, dflt_value, pk)
        if column[1] == "size":
            column_type = (column[2] or "").upper()
            return "BIGINT" not in column_type
    return False


async def migrate():