46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
# ------------------------------------------------------------------------------
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# Copyright (c) 2017, 2022, Oracle and/or its affiliates.
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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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# subclass.py (Section 9.1 and 9.2)
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# ------------------------------------------------------------------------------
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import oracledb
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import db_config
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class MyConnection(oracledb.Connection):
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def __init__(self):
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print("Connecting to database")
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return super(MyConnection, self).__init__(user=db_config.user, password=db_config.pw, dsn=db_config.dsn)
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con = MyConnection()
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cur = con.cursor()
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cur.execute("select count(*) from emp where deptno = :bv", (10,))
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count, = cur.fetchone()
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print("Number of rows:", count)
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