SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 19)
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_requests_total\' (alias name)
           Literal \'counter\' (alias type)
           Literal \'Total number of HTTP requests\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 4)
             Literal \'method\'
             Literal \'post\'
             Literal \'code\'
             Literal \'200\'
           Literal UInt64_1027 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'1395066363000\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_requests_total\' (alias name)
           Literal \'counter\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 4)
             Literal \'method\'
             Literal \'post\'
             Literal \'code\'
             Literal \'400\'
           Literal UInt64_3 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'1395066363000\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'msdos_file_access_time_seconds\' (alias name)
           Literal \'\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 4)
             Literal \'path\'
             Literal \'C:\\\\DIR\\\\FILE.TXT\'
             Literal \'error\'
             Literal \'Cannot find file:\\n"FILE.TXT"\'
           Literal UInt64_1458255915 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'metric_without_timestamp_and_labels\' (alias name)
           Literal \'\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList
           Literal Float64_12.47 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'something_weird\' (alias name)
           Literal \'\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'problem\'
             Literal \'division by zero\'
           Literal Float64_inf (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'-3982045\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'A histogram of the request duration.\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'0.05\'
           Literal UInt64_24054 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'0.1\'
           Literal UInt64_33444 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'0.2\'
           Literal UInt64_100392 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'0.5\'
           Literal UInt64_129389 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'1\'
           Literal UInt64_133988 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'le\'
             Literal \'+Inf\'
           Literal UInt64_144320 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'http_request_duration_seconds\' (alias name)
           Literal \'histogram\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'sum\'
             Literal \'\'
           Literal UInt64_53423 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'A summary of the RPC duration in seconds.\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'quantile\'
             Literal \'0.01\'
           Literal UInt64_3102 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'quantile\'
             Literal \'0.05\'
           Literal UInt64_3272 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'quantile\'
             Literal \'0.5\'
           Literal UInt64_4773 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'quantile\'
             Literal \'0.9\'
           Literal UInt64_9001 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'quantile\'
             Literal \'0.99\'
           Literal UInt64_76656 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'count\'
             Literal \'\'
           Literal UInt64_2693 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
         SelectQuery (children 1)
          ExpressionList (children 6)
           Literal \'rpc_duration_seconds\' (alias name)
           Literal \'summary\' (alias type)
           Literal \'\' (alias help)
           Function map (alias labels) (children 1)
            ExpressionList (children 2)
             Literal \'sum\'
             Literal \'\'
           Literal Float64_17560473 (alias value)
           Function CAST (alias timestamp) (children 1)
            ExpressionList (children 2)
             Literal \'0\'
             Literal \'Float64\'
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier name
    OrderByElement (children 1)
     Identifier value
 Identifier Prometheus