$VAR1 = {
          'scan_on' => {
                         'index_name' => 'pg_class_oid_index',
                         'table_name' => 'pg_class',
                         'table_alias' => 'pg_class'
                       },
          'is_analyzed' => 1,
          'actual_time_first' => '0.077',
          'estimated_rows' => '1',
          'estimated_total_cost' => '16.55',
          'estimated_row_width' => '198',
          'actual_time_last' => '0.078',
          'estimated_startup_cost' => '8.27',
          'actual_rows' => '1',
          'extra_info' => [
                            'Index Cond: (oid = $1)'
                          ],
          'initplans' => [
                           {
                             'scan_on' => {
                                            'index_name' => 'pg_class_relname_nsp_index',
                                            'table_name' => 'pg_class',
                                            'table_alias' => 'pg_class'
                                          },
                             'is_analyzed' => 1,
                             'actual_time_first' => '0.015',
                             'estimated_rows' => '1',
                             'estimated_total_cost' => '8.27',
                             'estimated_row_width' => '4',
                             'actual_time_last' => '0.016',
                             'estimated_startup_cost' => '0',
                             'actual_rows' => '1',
                             'extra_info' => [
                                               'Index Cond: (relname = \'pg_class\'::name)'
                                             ],
                             'type' => 'Index Scan',
                             'actual_loops' => '1'
                           }
                         ],
          'initplans_metainfo' => [
                                    {
                                      'name' => '2',
                                      'returns' => '$1',
                                    },
          ],
          'subplans' => [
                          {
                            'is_analyzed' => 1,
                            'actual_time_first' => '0.049',
                            'estimated_rows' => '1',
                            'estimated_total_cost' => '0.01',
                            'estimated_row_width' => '0',
                            'actual_time_last' => '0.049',
                            'estimated_startup_cost' => '0',
                            'actual_rows' => '1',
                            'type' => 'Result',
                            'actual_loops' => '1'
                          }
                        ],
          'type' => 'Index Scan',
          'actual_loops' => '1'
        };