1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#------------------------------------------------------------------------------
# aq-queuestart.py (Section 10.1)
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Copyright (c) 2017, 2021, Oracle and/or its affiliates. All rights reserved.
#------------------------------------------------------------------------------
import cx_Oracle
import decimal
import db_config
con = cx_Oracle.connect(db_config.user, db_config.pw, db_config.dsn)
cur = con.cursor()
BOOK_TYPE_NAME = "UDT_BOOK"
QUEUE_NAME = "BOOKS"
QUEUE_TABLE_NAME = "BOOK_QUEUE_TABLE"
# Cleanup
cur.execute(
"""begin
dbms_aqadm.stop_queue('""" + QUEUE_NAME + """');
dbms_aqadm.drop_queue('""" + QUEUE_NAME + """');
dbms_aqadm.drop_queue_table('""" + QUEUE_TABLE_NAME + """');
execute immediate 'drop type """ + BOOK_TYPE_NAME + """';
exception when others then
if sqlcode <> -24010 then
raise;
end if;
end;""")
# Create a type
print("Creating books type UDT_BOOK...")
cur.execute("""
create type %s as object (
title varchar2(100),
authors varchar2(100),
price number(5,2)
);""" % BOOK_TYPE_NAME)
# Create queue table and queue and start the queue
print("Creating queue table...")
cur.callproc("dbms_aqadm.create_queue_table",
(QUEUE_TABLE_NAME, BOOK_TYPE_NAME))
cur.callproc("dbms_aqadm.create_queue", (QUEUE_NAME, QUEUE_TABLE_NAME))
cur.callproc("dbms_aqadm.start_queue", (QUEUE_NAME,))
|
