SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function divide (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Function less (children 1)
         ExpressionList (children 2)
          Function abs (children 1)
           ExpressionList (children 1)
            Function minus (children 1)
             ExpressionList (children 2)
              Function lgamma (children 1)
               ExpressionList (children 1)
                Function plus (children 1)
                 ExpressionList (children 2)
                  Identifier x
                  Literal UInt64_1
              Function log (children 1)
               ExpressionList (children 1)
                Function tgamma (children 1)
                 ExpressionList (children 1)
                  Function plus (children 1)
                   ExpressionList (children 2)
                    Identifier x
                    Literal UInt64_1
          Literal Float64_1e-8
      Function count (children 1)
       ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.one
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Function range (alias x) (children 1)
        ExpressionList (children 1)
         Literal UInt64_10