98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# MySQL Connector/Python - MySQL driver written in Python.
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# Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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# MySQL Connector/Python is licensed under the terms of the GPLv2
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# <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
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# MySQL Connectors. There are special exceptions to the terms and
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# conditions of the GPLv2 as it is applied to this software, see the
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# FOSS License Exception
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# <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""Example using MySQL Prepared Statements
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Example using MySQL Connector/Python showing:
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* usage of Prepared Statements
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"""
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import mysql.connector
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from mysql.connector.cursor import MySQLCursorPrepared
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def main(config):
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output = []
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cnx = mysql.connector.Connect(**config)
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curprep = cnx.cursor(cursor_class=MySQLCursorPrepared)
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cur = cnx.cursor()
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# Drop table if exists, and create it new
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stmt_drop = "DROP TABLE IF EXISTS names"
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cur.execute(stmt_drop)
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stmt_create = (
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"CREATE TABLE names ("
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"id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, "
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"name VARCHAR(30) DEFAULT '' NOT NULL, "
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"cnt TINYINT UNSIGNED DEFAULT 0, "
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"PRIMARY KEY (id))"
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)
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cur.execute(stmt_create)
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# Connector/Python also allows ? as placeholders for MySQL Prepared
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# statements.
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prepstmt = "INSERT INTO names (name) VALUES (%s)"
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# Preparing the statement is done only once. It can be done before
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# without data, or later with data.
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curprep.execute(prepstmt)
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# Insert 3 records
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names = ('Geert', 'Jan', 'Michel')
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for name in names:
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curprep.execute(prepstmt, (name,))
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cnx.commit()
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# We use a normal cursor issue a SELECT
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output.append("Inserted data")
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cur.execute("SELECT id, name FROM names")
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for row in cur:
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output.append("{0} | {1}".format(*row))
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# Cleaning up, dropping the table again
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cur.execute(stmt_drop)
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cnx.close()
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return output
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if __name__ == '__main__':
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config = {
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'host': 'localhost',
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'port': 3306,
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'database': 'test',
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'user': 'root',
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'password': '',
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'charset': 'utf8',
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'use_unicode': True,
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'get_warnings': True,
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}
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out = main(config)
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print('\n'.join(out))
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