SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier fact_3_id
    Identifier fact_4_id
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier grouping_sets
   ExpressionList (children 4)
    ExpressionList (children 2)
     Identifier fact_1_id
     Identifier fact_2_id
    ExpressionList (children 1)
     Function tuple (children 1)
      ExpressionList (children 3)
       Literal Int64_-9223372036854775808
       Literal NULL
       Function tuple (children 1)
        ExpressionList (children 3)
         Function tuple (children 1)
          ExpressionList (children 1)
           Literal Float64_1
         Function tuple (children 1)
          ExpressionList (children 2)
           Function tuple (children 1)
            ExpressionList (children 1)
             Literal Float64_1
           Literal UInt64_1048576
         Literal UInt64_65535
    ExpressionList (children 1)
     Function tuple (children 1)
      ExpressionList (children 3)
       Function tuple (children 1)
        ExpressionList (children 1)
         Literal Float64_3.4028234663852886e38
       Function tuple (children 1)
        ExpressionList (children 2)
         Function tuple (children 1)
          ExpressionList (children 1)
           Literal UInt64_1024
         Literal Int64_-2147483647
       Literal NULL
    ExpressionList (children 2)
     Identifier fact_3_id
     Identifier fact_4_id
   ExpressionList (children 4)
    OrderByElement (children 1)
     Function tuple (children 1)
      ExpressionList (children 3)
       Literal NULL
       Function tuple (children 1)
        ExpressionList (children 4)
         Literal \'256\'
         Function tuple (children 1)
          ExpressionList (children 2)
           Function tuple (children 1)
            ExpressionList (children 1)
             Literal NULL
           Literal NULL
         Literal NULL
         Literal NULL
       Literal NULL
    OrderByElement (children 1)
     Identifier fact_1_id
    OrderByElement (children 1)
     Identifier fact_2_id
    OrderByElement (children 1)
     Identifier fact_4_id