74d9d71484
tests. Although the two are aliases of one another, it makes sense to be consistent and to use the one that the DB API prefers as well.
78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# Editioning.py
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# This script demonstrates the use of Edition-Based Redefinition, available
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# in Oracle# Database 11.2 and higher. See the Oracle documentation on the
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# subject for additional information. Adjust the contants at the top of the
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# script for your own database as needed.
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#
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# This script requires cx_Oracle 5.3 and higher.
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#------------------------------------------------------------------------------
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from __future__ import print_function
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import cx_Oracle
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import SampleEnv
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import os
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# connect to the editions user and create a procedure
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connection = cx_Oracle.connect(SampleEnv.EDITION_CONNECT_STRING)
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print("Edition should be None, actual value is:",
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repr(connection.edition))
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cursor = connection.cursor()
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cursor.execute("""
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create or replace function TestEditions return varchar2 as
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begin
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return 'Base Procedure';
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end;""")
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result = cursor.callfunc("TestEditions", str)
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print("Function should return 'Base Procedure', actually returns:",
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repr(result))
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# next, change the edition and recreate the procedure in the new edition
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cursor.execute("alter session set edition = %s" % SampleEnv.EDITION_NAME)
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print("Edition should be", repr(SampleEnv.EDITION_NAME.upper()),
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"actual value is:", repr(connection.edition))
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cursor.execute("""
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create or replace function TestEditions return varchar2 as
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begin
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return 'Edition 1 Procedure';
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end;""")
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result = cursor.callfunc("TestEditions", str)
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print("Function should return 'Edition 1 Procedure', actually returns:",
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repr(result))
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# next, change the edition back to the base edition and demonstrate that the
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# original function is being called
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cursor.execute("alter session set edition = ORA$BASE")
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result = cursor.callfunc("TestEditions", str)
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print("Function should return 'Base Procedure', actually returns:",
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repr(result))
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# the edition can be set upon connection
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connection = cx_Oracle.connect(SampleEnv.EDITION_CONNECT_STRING,
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edition = SampleEnv.EDITION_NAME.upper())
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cursor = connection.cursor()
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result = cursor.callfunc("TestEditions", str)
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print("Function should return 'Edition 1 Procedure', actually returns:",
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repr(result))
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# it can also be set via the environment variable ORA_EDITION
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os.environ["ORA_EDITION"] = SampleEnv.EDITION_NAME.upper()
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connection = cx_Oracle.connect(SampleEnv.EDITION_CONNECT_STRING)
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print("Edition should be", repr(SampleEnv.EDITION_NAME.upper()),
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"actual value is:", repr(connection.edition))
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cursor = connection.cursor()
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result = cursor.callfunc("TestEditions", str)
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print("Function should return 'Edition 1 Procedure', actually returns:",
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repr(result))
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