SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayJoin (alias item) (children 1)
     ExpressionList (children 1)
      Literal Array_[\'kk 50\', \'KK 01\', \'    KK 2\', \'  KK    3\', \'kk 1\', \'x9y99\', \'x9y100\']
   ExpressionList (children 1)
    OrderByElement (children 2)
     Identifier item
     Literal \'tr\'
