SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function uniqCombined64 (children 1)
     ExpressionList (children 1)
      Function bitNot (children 1)
       ExpressionList (children 1)
        Identifier x
    Function anyHeavy (children 1)
     ExpressionList (children 1)
      Function bitNot (children 1)
       ExpressionList (children 1)
        Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function concat (alias x) (children 1)
            ExpressionList (children 2)
             Literal UInt64_2
             Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_10
 Identifier Null
