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Asked: 2026-05-19T15:53:30+00:00

How would I perform the following update query in Rails? I would like to

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How would I perform the following update query in Rails? I would like to perform this with a single update query in the database. In pseudo-code, I would write:

update answers set user_id = @user.id where answered_by=@user.email and user_id = 0

In SQL it might be something like:

UPDATE `answers` SET user_id = '123' WHERE answered_by = 'email@example.com' and user_id = 0
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1 Answer

  1. Editorial Team
    Answer.update_all(["user_id = ?", @user.id], ["answered_by = ? and user_id == ?", @user.email, 0])
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