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#------------------------------------------------------------------------------
# aq-queuestart.py (Section 10.1)
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
#------------------------------------------------------------------------------
from __future__ import print_function
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"
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,))

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