Hi,
Beauford wrote:
Hi,
I have been trying for days to find a simple command in MySQL where I can
automatically delete records based on some criteria after a certain
timeframe.
I found this in the MySQL manual, but I guess it only works with version
5.1+. Unfortunately the version I need this to work on is 4.1, and can't be
upgraded.
CREATE EVENT e_hourly
ON SCHEDULE
EVERY 1 HOUR
COMMENT 'Clears out sessions table each hour.'
DO
DELETE FROM something;
Is there something similar in version 4.1 that will do the same thing.
No. But there are cron jobs :-) And if you're deleting many rows and
you don't want to interfere with other running queries (sounds like this
is an OLTP system), try MySQL Archiver with the --purge argument
(http://mysqltoolkit.sourceforge.net/). It's much more efficient at
large data volumes than a single DELETE statement.
Baron
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