pymysql retrievingdata in batches Question: i am using pymysql to interact with an sql db, here is the code: query = “SELECT * FROM my_table” c = db.cursor(pymysql.cursors.DictCursor) c.execute(query) c.fetchall() now i am doing this for a database of 3000 enteries which isn’t alot, i plan to use this on a database with 15 million …
Getting this error while I try to insert data to MySQL->"TypeError: not all arguments converted during string formatting" Question: I scrape some data from Amazon and I insert those data to 4 list. But when I am trying to insert those lists into a Database, I just get TypeError: not all arguments converted during string …
How to insert data to django database from views.py file? Question: How can I insert data to my django database from a function in the views,py file? Is python manage.py shell the only way to insert? For more explanations I’m using: python 3.4 django 1.8.2 PyMySQL For example: models.py: from django.db import models class Publisher(models.Model): …
No module named 'pymysql' Question: I’m trying to use PyMySQL on Ubuntu. I’ve installed pymysql using both pip and pip3 but every time I use import pymysql, it returns ImportError: No module named ‘pymysql’ I’m using Ubuntu 15.10 64-bit and Python 3.5. The same .py works on Windows with Python 3.5, but not on Ubuntu. …
Can I use pymysql.connect() with "with" statement? Question: The following is listed as example in pymysql: conn = pymysql.connect(…) with conn.cursor() as cursor: cursor.execute(…) … conn.close() Can I use the following instead, or will this leave a lingering connection? (it executes successfully) import pymysql with pymysql.connect(…) as cursor: cursor.execute(‘show tables’) (python 3, latest pymysql) Asked …
Using Python to access SQL with a variable column name Question: I’m to link my code to a MySQL database using pymysql. In general everything has gone smoothly but I’m having difficulty with the following function to find the minimum of a variable column. def findmin(column): cur = db.cursor() sql = "SELECT MIN(%s) FROM table" …
Pymysql Insert Into not working Question: I’m running this from PyDev in Eclipse… import pymysql conn = pymysql.connect(host=’localhost’, port=3306, user=’userid’, passwd=’password’, db=’fan’) cur = conn.cursor() print “writing to db” cur.execute(“INSERT INTO cbs_transactions(leagueID) VALUES (‘test val’)”) print “wrote to db” The result is, at the top of the Console it says C:…test.py, and in the Console: …
What is PyMySQL and how does it differ from MySQLdb? Can it affect Django deployment? Question: I just solved some problems in my Django 1.3 app by using PyMySQL instead of MySQLdb. I followed this tutorial on how to make the switch: http://web-eng-help.blogspot.com/2010/09/install-mysql-5-for-python-26-and.html Now I want to know what PyMySQL actually is and how it …
