python MySQLDB query timeout

Question

I\'m trying to enforce a time limit on queries in python MySQLDB. I have a situation where I have no control over the queries, but need to ensure that they do not run over a

Answer 1

Use adbapi. It allows you to do a db call asynchronously.

from twisted.internet import reactor
from twisted.enterprise import adbapi

def bogusQuery():
    return dbpool.runQuery("SELECT SLEEP(10)")

def printResult(l):
    # function that would be called if it didn't time out
    for item in l:
        print item

def handle_timeout():
    # function that will be called when it timeout
    reactor.stop()

dbpool = adbapi.ConnectionPool("MySQLdb", user="me", password="myself", host="localhost", database="async")
bogusQuery().addCallback(printResult)
reactor.callLater(4, handle_timeout)
reactor.run()