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Book.where('title LIKE ?', '%Rails%').order(:created_at).limit(5).update_all(author: 'David') | Book.where('title LIKE ?', '%Rails%').order(:created_at).limit(5).update_all(author: 'David') | ||
− | # save records (to force validations) | + | # save records (to force validations) |
− | Issue.all.each { |n| n.save } | + | Issue.all.each { |n| n.save } |
Revisión del 16:56 20 abr 2015
Rails snippets and whatnot...
# Update all customers with the given attributes Customer.update_all wants_email: true # Update all books with 'Rails' in their title Book.where('title LIKE ?', '%Rails%').update_all(author: 'David') # Update all books that match conditions, but limit it to 5 ordered by date Book.where('title LIKE ?', '%Rails%').order(:created_at).limit(5).update_all(author: 'David')
# save records (to force validations) Issue.all.each { |n| n.save }