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ActiveRecord::AttributeMethods::PrimaryKey

Public Instance Methods

to_key() click to toggle source

Returns this record’s primary key value wrapped in an Array or nil if the record is not persisted? or has just been destroyed.

    # File lib/active_record/attribute_methods/primary_key.rb, line 8
 8:       def to_key
 9:         key = send(self.class.primary_key)
10:         [key] if key
11:       end

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