52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
# ------------------------------------------------------------------------------
|
|
# clob.py (Section 7.1)
|
|
# ------------------------------------------------------------------------------
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# Copyright (c) 2017, 2022, Oracle and/or its affiliates.
|
|
#
|
|
# This software is dual-licensed to you under the Universal Permissive License
|
|
# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
|
|
# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
|
|
# either license.
|
|
#
|
|
# If you elect to accept the software under the Apache License, Version 2.0,
|
|
# the following applies:
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# https://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
# ------------------------------------------------------------------------------
|
|
|
|
import oracledb
|
|
import db_config
|
|
|
|
con = oracledb.connect(user=db_config.user,
|
|
password=db_config.pw, dsn=db_config.dsn)
|
|
cur = con.cursor()
|
|
|
|
print("Inserting data...")
|
|
cur.execute("truncate table testclobs")
|
|
long_string = ""
|
|
for i in range(5):
|
|
char = chr(ord('A') + i)
|
|
long_string += char * 250
|
|
cur.execute("insert into testclobs values (:1, :2)",
|
|
(i + 1, "String data " + long_string + ' End of string'))
|
|
con.commit()
|
|
|
|
print("Querying data...")
|
|
cur.execute("select * from testclobs where id = :id", {'id': 1})
|
|
(id, clob) = cur.fetchone()
|
|
print("CLOB length:", clob.size())
|
|
clobdata = clob.read()
|
|
print("CLOB data:", clobdata)
|