[...] 開発者の方はこちらです。 Rather Curious » PDO For WordPress [...]

PDO will happily work with MS Sql – see here for evidence!

But PDO does NOT do on the fly query rewriting. and there are a _lot_ of usage of native mysql functions within the WP core.

If you look at the SQLit drive, you will see that I rewrite the query on the fly for SQLite’s version of SQL.

I believe that most of the same rewrites will be needed for other languages – i.e. I capture all of the main points of incompatibility.

So it should be very easy for someone to take my SQLite driver and adjust the output of the rewrite calls to enable MSSql, Firebird, Postgres or anything else.

I develop in a MAC and Linux environment nowawadays otherwise i would offer to have a bash at doing the port myself. if someone were to provide me with access to an MS Sql server (or even sqlexpress or whatever it’s called), i might be persuaded to give it a try. it should be only a couple of days’ effort.

[...] for storage. Fortunately, I found out that there is this neat extension to WordPress called PDO for WordPress which allows me to use a sqlite (text-based) database backend for my [...]