/ Ruby on Rails
/
primary_key(table_name)
public

No documentation available.

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 426
      def primary_key(table_name) #:nodoc:
        column = table_structure(table_name).find { |field|
          field['pk'] == 1
        }
        column && column['name']
      end