SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function view (children 1)
       ExpressionList (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 3)
          SelectQuery (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
          SelectQuery (children 1)
           ExpressionList (children 1)
            Literal UInt64_2
          SelectQuery (children 1)
           ExpressionList (children 1)
            Literal UInt64_3
