SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function transform (alias x) (children 1)
     ExpressionList (children 4)
      Function toString (children 1)
       ExpressionList (children 1)
        Identifier number
      Literal Array_[\'2\', \'4\', \'6\']
      Literal Array_[\'google\', \'yandex\', \'yahoo\']
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'other\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
   ExpressionList (children 1)
    Identifier x
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
