mysql-python

Correct exception handling with python MySQLdb connection

瘦欲@ 提交于 2020-01-01 04:25:05
问题 I created a small/basic python script to insert data into a MySQL database. I included some error handling - mainly to close the connection and/or prevent hanging connections in the case of an error (...but also to ignore some errors). I thought what I had (see below) was right - it seemed to be working okay. But occasionally I have been getting "Too many connection" errors - which I assumes means I am not actually closing the connection correctly at all (or perhaps error handling isn't right

Install mysql-python return error in CentOs

元气小坏坏 提交于 2019-12-31 20:52:39
问题 I want to run a django project on CentOs. I tried to install mysql-python by easy_install and pip but I got error with both of them. I Googled the problem and found some suggestions, but none of them helped me. errors are: _mysql.c:29:20: error: Python.h: No such file or directory _mysql.c:40:26: error: structmember.h: No such file or directory _mysql.c:74: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token _mysql.c:75: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘_

Install mysql-python return error in CentOs

。_饼干妹妹 提交于 2019-12-31 20:51:54
问题 I want to run a django project on CentOs. I tried to install mysql-python by easy_install and pip but I got error with both of them. I Googled the problem and found some suggestions, but none of them helped me. errors are: _mysql.c:29:20: error: Python.h: No such file or directory _mysql.c:40:26: error: structmember.h: No such file or directory _mysql.c:74: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token _mysql.c:75: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘_

Mac OSX : python packages failed to build because of gcc issues

霸气de小男生 提交于 2019-12-31 03:56:06
问题 I am trying to install MySQL-python package with the following error: cc1: error: unrecognized command line option "-arch" cc1: error: unrecognized command line option "-Wno-long-double" error: Setup script exited with error: command 'gcc' failed with exit status 1 I am using Mac OSX version 10.6.8 with gcc bash-3.2$ gcc --version gcc (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) How can I resolve the this issue? thanks 回答1: I restored the gcc that comes with Mac and that removed the first

Hook available for automatic retry after deadlock in django and mysql setup

断了今生、忘了曾经 提交于 2019-12-30 22:34:11
问题 I am using innoDB table in Django with mysql database. During investigation of error OperationalError: (1213, 'Deadlock found when trying to get lock; try restarting transaction') I came across this answer from Omry. In last part of the answer he suggests the client should retry automatically. I am trying to put this logic in code but at the same time is there any hook directly available in django. So that we can set 3 time automate retry in case of deadlock. Also if anyone can give example

Mock a MySQL database in Python

血红的双手。 提交于 2019-12-30 08:09:13
问题 I use Python 3.4 from the Anaconda distribution. Within this distribution, I found the pymysql library to connect to an existing MySQL database, which is located on another computer. import pymysql config = { 'user': 'my_user', 'passwd': 'my_passwd', 'host': 'my_host', 'port': my_port } try: cnx = pymysql.connect(**config) except pymysql.err.OperationalError : sys.exit("Invalid Input: Wrong username/database or password") I now want to write test code for my application, in which I want to

MySQL-python connection does not see changes to database made on another connection even after change is committed

浪子不回头ぞ 提交于 2019-12-30 02:51:11
问题 I am using the MySQLdb module for Python (v1.2.3 precompiled binary for Windows Python 2.7) to read and write data to a MySQL database. Once a connection is open, I can use that connection to observe changes made to the database on that same connection, but do not see changes made using another connection, regardless of whether the other connection is made in Python or there is a change made using the MySQL command line client. In the case where I am making updates using Python, note that I

Python3 + MySql: Error loading MySQLdb module: No module named 'MySQLdb'

故事扮演 提交于 2019-12-30 00:30:27
问题 I am new to Python and trying to setup a Django project to work with MySql. I have read through the documentation as well as some other StackOverflow posts about the topic, but I still can't get it to work. When I try to run a migrate in Django I get the following error: Error loading MySQLdb module: No module named 'MySQLdb' I have installed the recommended MySql Python Connector (2.0.1) selecting Ubuntu (since I am on Mint Linux). It installs correctly. I still get the error. I don't need

Access Denied for MYSQL ERROR 1045

可紊 提交于 2019-12-28 06:23:24
问题 I just got a new macbook pro (OS X 10.8.2) and am attempting to get mysql set up on it. So far I've been able to get it installed but I cannot get my root user access (or any user for that matter). I plan on using this for Python , on my other computer I only use MYSQL (no MAMP) and I prefer to keep it that way. For reference, I did the following: $ alias mysql=/usr/local/mysql/bin/mysql $ sudo /Library/StartupItems/MySQLCOM/MySQLCOM start $ alias mysqladmin=/usr/local/mysql/bin/mysqladmin

Why MYSQL IN keyword not considering NULL values

一曲冷凌霜 提交于 2019-12-28 06:22:29
问题 I am using the following query: select count(*) from Table1 where CurrentDateTime>'2012-05-28 15:34:02.403504' and Error not in ('Timeout','Connection Error'); Surprisingly, this statement doesnot include the rows having Error value as NULL.My intention is to filter only rows with Error value as 'Timeout' (or) 'Connection Error'. I need to give an additional condition( OR Error is NULL) to retrieve the correct result. Why is MYSQL filtering out results with NULL values? I thought that IN