Best way to find_or_create_by_id but update the attributes if the record is found

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情书的邮戳
情书的邮戳 2021-01-06 03:50

I\'m looking for a clean way to create a record with a set of attributes if the record does not exist and - if the record do exist - to update its attributes. I love the syn

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  •  傲寒
    傲寒 (楼主)
    2021-01-06 03:58

    Try this:

    c = Category.find_or_initialize_by_id(category.id)
    c.name = category.name
    c.save!
    

    This way you only save the instance once, instead of twice, if you called find_or_create_by_id (assuming it's a new record).

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