SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function round (children 1)
     ExpressionList (children 2)
      Function abs (children 1)
       ExpressionList (children 1)
        Function minus (children 1)
         ExpressionList (children 2)
          Identifier res1
          Identifier res2
      Literal UInt64_6
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function skewSamp (alias res1) (children 1)
            ExpressionList (children 1)
             Identifier x_value
           Function divide (alias res2) (children 1)
            ExpressionList (children 2)
             Function plus (children 1)
              ExpressionList (children 2)
               Function minus (children 1)
                ExpressionList (children 2)
                 Function divide (children 1)
                  ExpressionList (children 2)
                   Function sum (children 1)
                    ExpressionList (children 1)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Function multiply (children 1)
                        ExpressionList (children 2)
                         Identifier x_value
                         Identifier x_value
                       Identifier x_value
                   Function count (children 1)
                    ExpressionList
                 Function divide (children 1)
                  ExpressionList (children 2)
                   Function multiply (children 1)
                    ExpressionList (children 2)
                     Function divide (children 1)
                      ExpressionList (children 2)
                       Function multiply (children 1)
                        ExpressionList (children 2)
                         Literal UInt64_3
                         Function sum (children 1)
                          ExpressionList (children 1)
                           Function multiply (children 1)
                            ExpressionList (children 2)
                             Identifier x_value
                             Identifier x_value
                       Function count (children 1)
                        ExpressionList
                     Function sum (children 1)
                      ExpressionList (children 1)
                       Identifier x_value
                   Function count (children 1)
                    ExpressionList
               Function divide (children 1)
                ExpressionList (children 2)
                 Function multiply (children 1)
                  ExpressionList (children 2)
                   Function divide (children 1)
                    ExpressionList (children 2)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Function divide (children 1)
                        ExpressionList (children 2)
                         Function multiply (children 1)
                          ExpressionList (children 2)
                           Literal UInt64_2
                           Function sum (children 1)
                            ExpressionList (children 1)
                             Identifier x_value
                         Function count (children 1)
                          ExpressionList
                       Function sum (children 1)
                        ExpressionList (children 1)
                         Identifier x_value
                     Function count (children 1)
                      ExpressionList
                   Function sum (children 1)
                    ExpressionList (children 1)
                     Identifier x_value
                 Function count (children 1)
                  ExpressionList
             Function pow (children 1)
              ExpressionList (children 2)
               Function divide (children 1)
                ExpressionList (children 2)
                 Function minus (children 1)
                  ExpressionList (children 2)
                   Function sum (children 1)
                    ExpressionList (children 1)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Identifier x_value
                       Identifier x_value
                   Function divide (children 1)
                    ExpressionList (children 2)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Function sum (children 1)
                        ExpressionList (children 1)
                         Identifier x_value
                       Function sum (children 1)
                        ExpressionList (children 1)
                         Identifier x_value
                     Function count (children 1)
                      ExpressionList
                 Function minus (children 1)
                  ExpressionList (children 2)
                   Function count (children 1)
                    ExpressionList
                   Literal UInt64_1
               Literal Float64_1.5
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier series
