SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier q
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal Array_[UInt64_1, UInt64_2, UInt64_3] (alias q)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function groupArray (alias q) (children 1)
            ExpressionList (children 1)
             Function arrayJoin (children 1)
              ExpressionList (children 1)
               Literal Array_[UInt64_4, UInt64_5, UInt64_6]
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier q
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier q