Tools, FAQ, Tutorials:
Cursor.execute() with PyMySQL
How to use Cursor to run MySQL statements with PyMySQL package?
✍: FYIcenter.com
PyMySQL package provides you 2 ways to run MySQL statements:
1. Use con.query() - If you don't want to receive any data back from the MySQL server, you can use the Connection.query() method to run MySQL statements.
2. Use cur.execute() - If you want to receive data back from the MySQL server, you need create a Cursor object by calling cur=con.cursor(), and use the Cursor.execute() method to run MySQL statements. The Cursor object provides you methods to access received data.
Here are some commonly used methods and properties related Cursor objects.
Here is an example Python script, PyMySQL_cursor_execute.py, that uses con.cursor() method to create a Cursor object, which is then used to run MySQL statements and capture received data from the MySQL server.
# PyMySQL_cursor_execute.py # Copyright (c) FYIcenter.com import pymysql from random import * con = pymysql.connect(host="127.0.0.1", port=3306, \ user="guest", password="retneciyf") con.select_db("test") try: id = str(randint(100, 900)) sql = "INSERT INTO fyi_sites (id, url, title) \ VALUES ("+id+", 'dev.fyicenter.com', 'Developer FYI')" res = con.query(sql) print("1. res: ", res) con.commit() except pymysql.Error as err: print(err) print("Failed to insert data...") try: cur = con.cursor() id = str(randint(100, 900)) sql = "INSERT INTO fyi_sites (id, url, title) \ VALUES ("+id+", 'dev.fyicenter.com', 'Developer FYI')" res = cur.execute(sql) print("2. res: ", res) print("2. cur: ", cur) print("Records inserted: ", cur.rowcount) cur.close() con.commit() except pymysql.Error as err: print(err) print("Failed to insert data...") try: cur = con.cursor() sql = "SELECT id, url, title FROM fyi_sites" res = cur.execute(sql) print("3. res: ", res) print("3. cur: ", cur) for (id, url, title) in cur: print(id, url, title) cur.close() except pymysql.Error as err: print(err) print("Failed to query data...") con.close()
If you run the above script, you will the following output:
fyicenter> python3 PyMySQL_cursor_execute.py 1. res: 1 2. res: 1 2. cur: <pymysql.cursors.Cursor object at 0x109265fa0> Records inserted: 1 3. res: 5 3. cur: <pymysql.cursors.Cursor object at 0x109145610> 101 dev.fyicenter.com Developer FYI 147 dev.fyicenter.com Developer FYI 278 dev.fyicenter.com Developer FYI 473 dev.fyicenter.com Developer FYI 647 dev.fyicenter.com Developer FYI ...
⇐ Change Data with PyMySQL Package
2021-09-09, 859🔥, 0💬
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