Comments on: Migration Malaise, the Continuing Epic

By: Jacques Chester

Jacques Chester — Sat, 13 Mar 2010 03:58:11 +0000

Wordpress is thoroughly riddled with MySQLisms, and so are the many plugins that are written for it.

By: Down and Out of Sài Gòn

Down and Out of Sài Gòn — Sat, 13 Mar 2010 00:48:09 +0000

My sympathies, Jacques. Sounds like MySQL sucks A LOT. Now this may sounds like Stupid Question #1 – but why not try to migrate to a different database like PostgreSQL? Or is Wordpress unable to handle it?

By: Jacques Chester

Jacques Chester — Wed, 10 Mar 2010 12:51:30 +0000

When exporting tables one could replace the internal ID with something else (maybe the email address).

No good, because the id fields on the user table are used as foreign keys on the posts and pages tables. Which is what I meant by manual number fiddling: in bringing across stuff from the old server, I needed to a) assign new user id fields in the target database and b) update every key in the old database to reflect the new numbers.

This simply wouldn’t have been necessary if MySQL provided an IDENTITY or UUID field type from the beginning. Quod erat demonstrandum.

By: James Farrell

James Farrell — Tue, 09 Mar 2010 22:39:49 +0000

The technical aspects are over my head, Jacques, but thanks for all your hard work.

By: Gé

Gé — Tue, 09 Mar 2010 01:30:42 +0000

Don’t blame MySQL for crappy database and/or import/export tool design. When exporting tables one could replace the internal ID with something else (maybe the email address).

MySQL is not my favorite DB by far, but I’d blame this on Wordpress.

Gé