AlterQuery  test_03285_mat_ttl (children 3)
 ExpressionList (children 1)
  AlterCommand MODIFY_TTL (children 1)
   ExpressionList (children 1)
    TTLElement (children 1)
     Function plus (children 1)
      ExpressionList (children 2)
       Identifier event_time
       Function toIntervalMonth (children 1)
        ExpressionList (children 1)
         Literal UInt64_1
 Identifier test_03285_mat_ttl
 Set
