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aq-dequeue.py
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33 lines (26 loc) · 1017 Bytes
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#------------------------------------------------------------------------------
# aq-dequeue.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"
# Dequeue the messages
booksType = con.gettype(BOOK_TYPE_NAME)
queue = con.queue(QUEUE_NAME, booksType)
queue.deqOptions.wait = cx_Oracle.DEQ_NO_WAIT
queue.deqOptions.visibility = cx_Oracle.DEQ_IMMEDIATE
print("\nDequeuing messages...")
while True:
props = queue.deqOne()
if not props:
break
print(props.payload.TITLE)
print("\nDone.")