Oracle PL/SQL Tutorial/System Packages/dbms aqadm — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 10:05, 26 мая 2010
dbms_aqadm.create_queue_table
SQL>
SQL>
SQL> create or replace type myTable as object (
2 msg_identifier VARCHAR2(25),
3 msg_body VARCHAR2(100),
4 msg_date DATE);
5 /
Type created.
SQL>
SQL> BEGIN
2 dbms_aqadm.create_queue_table(
3 queue_table => "test_q_table",
4 queue_payload_type => "myTable",
5 comment => "Test Queue Table") ;
6 dbms_aqadm.create_queue(
7 queue_name => "test_q",
8 queue_table => "test_q_table",
9 comment => "Test Queue") ;
10
11 dbms_aqadm.start_queue("test_q");
12
13 END ;
14 /
PL/SQL procedure successfully completed.
SQL>
DBMS_AQADM.STOP_QUEUE
SQL>
SQL>
SQL> create or replace type myTable as object (
2 msg_identifier VARCHAR2(25),
3 msg_body VARCHAR2(100),
4 msg_date DATE);
5 /
SQL>
SQL> DECLARE
2 v_msg myTable;
3 v_deqopts DBMS_AQ.DEQUEUE_OPTIONS_T;
4 v_msg_prop DBMS_AQ.MESSAGE_PROPERTIES_T;
5 v_msgid RAW(16);
6 dq_timeout EXCEPTION;
7 PRAGMA EXCEPTION_INIT(dq_timeout, -25228) ;
8
9 BEGIN
10 LOOP
11 v_deqopts.wait := 1 ;
12 DBMS_AQ.DEQUEUE(queue_name => "test_q",
13 dequeue_options => v_deqopts,
14 message_properties => v_msg_prop,
15 payload => v_msg,
16 msgid => v_msgid);
17 DBMS_OUTPUT.PUT_LINE(v_msg.msg_identifier ||" Data: "
18 ||v_msg.msg_body||" Date: "||v_msg.msg_date);
19 END LOOP;
20
21 COMMIT ;
22
23 EXCEPTION
24 WHEN dq_timeout THEN NULL ;
25 END ;
26 /
Message 1 Data: test message data 1 Date: 24-JUL-08
Message 2 Data: test message data 2 Date: 24-JUL-08
Message 3 Data: test message data 3 Date: 24-JUL-08
Message 4 Data: test message data 4 Date: 24-JUL-08
Message 5 Data: test message data 5 Date: 24-JUL-08
Message 6 Data: test message data 6 Date: 24-JUL-08
Message 7 Data: test message data 7 Date: 24-JUL-08
Message 8 Data: test message data 8 Date: 24-JUL-08
Message 9 Data: test message data 9 Date: 24-JUL-08
Message 10 Data: test message data 10 Date: 24-JUL-08
PL/SQL procedure successfully completed.
SQL>
SQL>
SQL> BEGIN
2 DBMS_AQADM.STOP_QUEUE(queue_name => "test_q");
3 DBMS_AQADM.DROP_QUEUE(queue_name => "test_q");
4 DBMS_AQADM.DROP_QUEUE_TABLE(queue_table => "test_q_table");
5 END;
6 /
PL/SQL procedure successfully completed.
SQL>
SQL> drop type myTable ;
Type dropped.
SQL>