not(opts, *rest)
Instance Public methods
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'
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