Advanced queuing : dequeing from remote database 2005-02-17 - By Nick Tilbury @ Northampton
I would suggest you have the enqueue populate to the remote database queue =
and deal with it locally.
Nick
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)]On Behalf Of John Dunn
Sent: 17 February 2005 10:46
To: Oracle-L@(protected)
Subject: Advanced queuing : dequeing from remote database
I am experimenting with advanced queueing in Oracle 9i and am able to
enqueue and dequeue messages within the same database.
However I would like to dequeue messages on a remote database via a database
link.
I am confused as to what I need to set up on the remote server in order to
dequeue the message.
I have set up the database link that points back to the enqueueing database,
The database link works OK.
I am then trying to dequeue the message on the remote database using the
following code(which is the same I use when doing this all on the same
database except for the references to the database link). I get the error :
message opd4678.new_job_message@(protected);
*
ERROR at line 6:
ORA-06550 (See ORA-06550.ora-code.com): line 6, column 34:
PLS-00331: illegal reference to OPD4678.NEW_JOB_MESSAGE@(protected)
Any ideas what I have done wrong?
John
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---
-- ---- --
set serveroutput on
declare
dequeue_options dbms_aq.dequeue_options_t;
message_properties dbms_aq.message_properties_t;
message_handle RAW(16);
message opd4678.new_job_message@(protected);
--message opd4678.new_job_message;
BEGIN
dequeue_options.CONSUMER_NAME :=3D NULL;
dequeue_options.DEQUEUE_MODE :=3D DBMS_AQ.REMOVE;
dequeue_options.NAVIGATION :=3D DBMS_AQ.NEXT_MESSAGE;
dequeue_options.VISIBILITY :=3D DBMS_AQ.IMMEDIATE;
dequeue_options.WAIT :=3D DBMS_AQ.FOREVER;
dequeue_options.MSGID :=3D null;
dequeue_options.CORRELATION :=3D 'TEST MESSAGE';
DBMS_AQ.DEQUEUE (
queue_name =3D> 'opd4678.new_job_message_queue@(protected)',
dequeue_options =3D> dequeue_options,
message_properties =3D> message_properties,
payload =3D> message,
msgid =3D> message_handle
);
dbms_output.put_line('+-- ---- ---- ----+');
dbms_output.put_line('| New Job |');
dbms_output.put_line('+-- ---- ---- ----+');
dbms_output.put_line('- Message ID :=3D ' || message.message_id);
dbms_output.put_line('- Filename :=3D ' || message.host_file_name=
);
COMMIT;
-- -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
END;
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