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method

primary_key

Importance_0
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActiveRecord::ConnectionAdapters::SQLiteAdapter
primary_key(table_name) public

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# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 373
      def primary_key(table_name) #:nodoc:
        column = table_structure(table_name).find { |field|
          field['pk'] == 1
        }
        column && column['name']
      end
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