To far fetched (pun inteded), some might think.. Below you'll find a procedure to get a list of MySQL supported character sets and their collations. The output is Python and can be used to build a (big) tuple.

The problem is that character set IDs in MySQL have 'gaps'. For example hebrew has ID 16, and the next character set in the COLLATIONS-table, tis620, has ID 18. Not a big problem, just a bit annoying. This list is hardcoded in MySQL Connector/Python and I needed something to easily maintain it.

Solutions were using text editing skills, parsing it in Python to produce a list, etc.. But why not a …

Is there a performance penalty using a pure Python database interface? Yes there is. But how much? .. also depends on who wrote it.

I started implementing some benchmarking for MySQL Connector/Python. Main reason is to identified bottlenecks or just plain bad coded. Another reasons: it's cool and the question was raised during my talk at FOSDEM and also online.

Oh, yes, MySQL Connector/Python ain't fast right now. Just compare a script spawning 10 threads opening 1000 connections. It indeed just connects.

mysql.connector 0.1.3-devel average: 0.0091820
MySQLdb 1.2.3c1             average: 0.0026477
oursql 0.9.1                average: 0.0007394

(MacOSX 10.6.2, MySQL …

Dave Edwards has offered me to write this week's Log Buffer, and I couldn't help but jump at the opportunity. I'll dive straight into it.
OracleI'll start with Oracle, the dust of the Sun acquisition has settled, so maybe it's time to return our attention to the regular issues.

Lets start with Hemant Chitale's Common Error series and his Some Common Errors - 2 - NOLOGGING as a Hint explaining what to expect from NOLOGGING. Kamran Agayev offers us an insight into Hemant's personality with his Exclusive Interview with Hemant K Chitale. My favorite quote is:

Do you refer to the documentation? And how often does …

A preliminary schedule is now available for the MySQL Conference & Expo 2010 (in Santa Clara, California, USA). I have two talks and a tutorial, currently scheduled as follows:

• MySQL Cluster Tutorial, Mon 08:30 on 12 Apr 2010, together with Andrew Hutchings and Andrew Morgan
• MySQL Cluster: An Introduction, Tue 11:55 on 13 Apr 2010
• Connecting MySQL and Python, Tue 15:05 on 13 Apr 2010

Schedule might change a bit, so I …

A preliminary schedule is now available for the MySQL Conference & Expo 2010 (in Santa Clara, California, USA). I have two talks and a tutorial, currently scheduled as follows:

• MySQL Cluster Tutorial, Mon 08:30 on 12 Apr 2010, together with Andrew Hutchings and Andrew Morgan
• MySQL Cluster: An Introduction, Tue 11:55 on 13 Apr 2010
• Connecting MySQL and Python, Tue 15:05 on 13 Apr 2010

Schedule might change a bit, so I …

Yes, MySQL has transactions if you use InnoDB or NDB Cluster for example. Using these transactional storage engines, you'll have to commit (or roll back) your inserts, deletes or updates.

I've seen it a few times now with people being surprised that no data is going into the tables. It's not so a silly problem in the end. If you are used to the defaults in MySQL you don't have to commit anything since it is automatically done for you.

Take the Python Database Interfaces for MySQL. PEP-249 says that, by default, …

Yes, MySQL has transactions if you use InnoDB or NDB Cluster for example. Using these transactional storage engines, you'll have to commit (or roll back) your inserts, deletes or updates.

I've seen it a few times now with people being surprised that no data is going into the tables. It's not so a silly problem in the end. If you are used to the defaults in MySQL you don't have to commit anything since it is automatically done for you.

Take the Python Database Interfaces for MySQL. PEP-249 says that, by default, …

This post explains how to compile oursql and install it on MacOS 10.6. oursql is a Python database interface for MySQL, an alternative to MySQL for Python (i.e. MySQLdb) and MySQL Connector/Python.

First, find out which MySQL you installed. This can be either the 32-bit or the 64-bit version. To make sure, find the mysqld (e.g. in /usr/local/mysql/bin) and do the following in a Terminal window:

shell> file /usr/local/mysql/bin/mysqld
.../mysqld: Mach-O 64-bit executable x86_64

If you see x86_64, you got 64-bit, otherwise 32-bit. If you see both, then you have a universal build. This is …

This post explains how to compile oursql and install it on MacOS 10.6. oursql is a Python database interface for MySQL, an alternative to MySQL for Python (i.e. MySQLdb) and MySQL Connector/Python.

First, find out which MySQL you installed. This can be either the 32-bit or the 64-bit version. To make sure, find the mysqld (e.g. in /usr/local/mysql/bin) and do the following in a Terminal window:

shell> file /usr/local/mysql/bin/mysqld
.../mysqld: Mach-O 64-bit executable x86_64

If you see x86_64, you got 64-bit, otherwise 32-bit. If you see both, then you have a universal …

Apparently, my talk at FOSDEM 2010 about Connecting MySQL and Python was the only one about Python? There should be more, or?

I have a hand-out ready in PDF. The slides are not usable without my chatter. It contains a few examples and links. Any comments, corrections, criticism.. are welcome!

The longer version of this talk will be given at the O'Reilly MySQL Conference&Expo 2010 in Santa Clara, California (USA).