Method: Mongoid::Criterion::Exclusion#not_in

Defined in:

lib/mongoid/criterion/exclusion.rb

#not_in(exclusions) ⇒ Object

Adds a criterion to the Criteria that specifies values where none should match in order to return results. This is similar to an SQL “NOT IN” clause. The MongoDB conditional operator that will be used is “$nin”.

Options:

exclusions: A Hash where the key is the field name and the value is an Array of values that none can match.

Example:

criteria.not_in(:field => ["value1", "value2"])

criteria.not_in(:field1 => ["value1", "value2"], :field2 => ["value1"])

Returns: self

# File 'lib/mongoid/criterion/exclusion.rb', line 43

def not_in(exclusions)
  exclusions.each { |key, value| @selector[key] = { "$nin" => value } }; self
end