method

primary_key

v4.2.9 - Show latest stable - Class: ActiveRecord::ConnectionAdapters::TableDefinition

primary_key(name, type = :primary_key, options = {})

public

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

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 114
      def primary_key(name, type = :primary_key, options = {})
        column(name, type, options.merge(:primary_key => true))
      end

primary_key

Related methods