90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2022, Oracle and/or its affiliates.
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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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# This software is dual-licensed to you under the Universal Permissive License
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# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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# either license.
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#
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# If you elect to accept the software under the Apache License, Version 2.0,
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# the following applies:
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# rows_as_instance.py
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#
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# Returns rows as instances instead of tuples. See the ceDatabase.Row class
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# in the cx_PyGenLib project (http://cx-pygenlib.sourceforge.net) for a more
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# advanced example.
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#------------------------------------------------------------------------------
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import oracledb
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import sample_env
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# determine whether to use python-oracledb thin mode or thick mode
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if not sample_env.get_is_thin():
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oracledb.init_oracle_client(lib_dir=sample_env.get_oracle_client())
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class Test:
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def __init__(self, a, b, c):
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self.a = a
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self.b = b
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self.c = c
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connection = oracledb.connect(user=sample_env.get_main_user(),
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password=sample_env.get_main_password(),
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dsn=sample_env.get_connect_string())
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with connection.cursor() as cursor:
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# create sample data
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cursor.execute("""
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begin
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begin
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execute immediate 'drop table TestInstances';
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exception
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when others then
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if sqlcode <> -942 then
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raise;
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end if;
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end;
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execute immediate 'create table TestInstances (
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a varchar2(60) not null,
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b number(9) not null,
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c date not null)';
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execute immediate
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'insert into TestInstances values (''First'', 5, sysdate)';
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execute immediate
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'insert into TestInstances values (''Second'', 25, sysdate)';
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commit;
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end;""")
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# retrieve the data and display it
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cursor.execute("select * from TestInstances")
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cursor.rowfactory = Test
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print("Rows:")
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for row in cursor:
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print("a = %s, b = %s, c = %s" % (row.a, row.b, row.c))
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