/Ruby on Rails 5.2

module ActiveRecord::ConnectionAdapters::ColumnMethods

Public Instance Methods

primary_key(name, type = :primary_key, **options) Show source
# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 204
def primary_key(name, type = :primary_key, **options)
  column(name, type, options.merge(primary_key: true))

Appends a primary key definition to the table definition. Can be called multiple times, but this is probably not a good idea.

© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.