Skip to content
Create a gist now

Instantly share code, notes, and snippets.

Using model's sequence next value before inserting for special manipulation.
# id : serial
# check_digit : integer
class Client
set_primary_key :id
before_create :define_check_digit
private
def self.next_id
Integer(connection.select_value "SELECT nextval('#{sequence_name}')")
end
def define_check_digit
self.id = self.class.next_id
self.check_digit = Digit.calc id
end
end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.