method
primary_key
v4.2.9 -
Show latest stable
- Class:
ActiveRecord::Reflection::ThroughReflection
primary_key(klass)protected
No documentation available.
# File activerecord/lib/active_record/reflection.rb, line 874
def primary_key(klass)
klass.primary_key || raise(UnknownPrimaryKey.new(klass))
end
