method
not
v4.0.2 -
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Class: WhereChain
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- What's this?
not(opts, *rest)
public
Returns a new relation expressing WHERE + NOT condition according to the conditions in the arguments.
not accepts conditions as a string, array, or hash. See #where for more details on each format.
User.where.not("name = 'Jon'") # SELECT * FROM users WHERE NOT (name = 'Jon') User.where.not(["name = ?", "Jon"]) # SELECT * FROM users WHERE NOT (name = 'Jon') User.where.not(name: "Jon") # SELECT * FROM users WHERE name != 'Jon' User.where.not(name: nil) # SELECT * FROM users WHERE name IS NOT NULL User.where.not(name: %w(Ko1 Nobu)) # SELECT * FROM users WHERE name NOT IN ('Ko1', 'Nobu') User.where.not(name: "Jon", role: "admin") # SELECT * FROM users WHERE name != 'Jon' AND role != 'admin'