Advanced Queuing - Oracle

Enqueuing and Dequeuing Of Messages
EXEC SQL EXECUTE
DECLARE
message_properties dbms_aq.message_properties_t;
dequeue_options dbms_aq.dequeue_options_t;
msgid RAW(16);
BEGIN
/* Dequeue by msgid in host variable ’msgid’: */
dequeue_options.msgid := :msgid;
/* Return the payload into host variable ’message’: */
dbms_aq.dequeue(queue_name => ’msg_queue’,
message_properties => message_properties,
dequeue_options => dequeue_options,
payload => :message,
msgid => msgid);
END;
END-EXEC;
/* Commit work: */
EXEC SQL COMMIT;
}
Enqueuing and Dequeuing of Messages by Correlation and Message ID Using OCI
#include
#include
#include
#include
struct message
{
OCIString *subject;
OCIString *data;
};
typedef struct message message;
struct null_message
{
OCIInd null_adt;
OCIInd null_subject;
OCIInd null_data;
};
typedef struct null_message null_message;
A-42 Oracle9i Application Developer’s Guide - Advanced Queuing