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#------------------------------------------------------------------------------
# Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# CallTimeout.py
# Demonstrate the use of the Oracle Client 18c feature that enables round trips
# to the database to time out if a specified amount of time (in milliseconds)
# has passed without a response from the database.
# This script requires cx_Oracle 7.0 and higher and Oracle Client 18.1 and
#------------------------------------------------------------------------------
from __future__ import print_function
import cx_Oracle
import SampleEnv
connection = cx_Oracle.connect(SampleEnv.GetMainConnectString())
connection.callTimeout = 2000
print("Call timeout set at", connection.callTimeout, "milliseconds...")
cursor = connection.cursor()
cursor.execute("select sysdate from dual")
today, = cursor.fetchone()
print("Fetch of current date before timeout:", today)
print("Sleeping...should time out...")
    cursor.callproc("dbms_lock.sleep", (3,))
except cx_Oracle.DatabaseError as e:
    print("ERROR:", e)
cursor.execute("select sysdate from dual")
today, = cursor.fetchone()
print("Fetch of current date after timeout:", today)

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