class method
self.primary_key
Ruby on Rails 2.2.3
Since v2.2.3 Last seen in v2.3.18Available in: v2.2.3 v2.3.18
Signature
self.primary_key()
Defines the primary key field – can be overridden in subclasses. Overwriting will negate any effect of the primary_key_prefix_type setting, though.
Source
# File activerecord/lib/active_record/base.rb, line 1109
def primary_key
reset_primary_key
end
Defined in activerecord/lib/active_record/base.rb line 1109
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Defined in ActiveRecord::Base