Method: ActiveRecord::ConnectionAdapters::ColumnMethods#primary_key

Defined in:

activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb

#primary_key(name, type = :primary_key, **options) ⇒ Object

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 305

def primary_key(name, type = :primary_key, **options)
  column(name, type, **options.merge(primary_key: true))
end