SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function formatQuery (children 1)
     ExpressionList (children 1)
      Literal \'ALTER TABLE a (MODIFY TTL expr TO VOLUME \\\'vol1\\\', expr2 + INTERVAL 2 YEAR TO VOLUME \\\'vol2\\\'), (DROP COLUMN c)\'
