rowfactory.py

# -----------------------------------------------------------------------------
# rowfactory.py (Section 10.1)
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# Copyright (c) 2017, 2025, Oracle and/or its affiliates.
#
# This software is dual-licensed to you under the Universal Permissive License
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# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
# either license.
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# If you elect to accept the software under the Apache License, Version 2.0,
# the following applies:
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#    https://www.apache.org/licenses/LICENSE-2.0
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import collections
import oracledb
import db_config

con = oracledb.connect(
    user=db_config.user, password=db_config.pw, dsn=db_config.dsn
)

cur = con.cursor()

cur.execute("select deptno, dname from dept")
res = cur.fetchall()

print("Array indexes:")
for row in res:
    print(row[0], "->", row[1])

print("Loop target variables:")
for c1, c2 in res:
    print(c1, "->", c2)

print("Rowfactory:")
cur.execute("select deptno, dname from dept")
cur.rowfactory = collections.namedtuple("MyClass", ["DeptNumber", "DeptName"])

res = cur.fetchall()
for row in res:
    print(row.DeptNumber, "->", row.DeptName)