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Using XML as a list in a MySQL Column
Posted by: chris joy
Date: January 18, 2012 10:43AM

So I have a MySQL database for a music library.

As I have several songs by the same artist, I have a table called Artists.

The Songs table links to the Artist table via an Artist_id.

Since a Song can have several different artists (or let's say 2 for a duet), I'm using XML to put the list of artist id's in. Here's what the data in Songs.Artist_ID's column looks like:


My question is simple. I've done queries by linking to the artist table via ExtractValue, but that only gets me the first one (or a specific one if I get specific with the XPath).

How can I search for or link with any/all of the artist_id's? I do not want to loop through SQL queries if I don't have to. Is there an easy way to say, here's a list of artists, go fetch the data on all of them?

This is the query I use now, and it gets it for the first artist only.

SELECT `tanoshimi`.`filename`, `linkArtists`.`name`, `linkSongs`.`title`
FROM `public_music`.`tanoshimi`, `public_music`.`linkArtists`, `public_music`.`linkSongs`
WHERE linkSongs.song_id = tanoshimi.song_id AND linkArtists.artist_id = ExtractValue(artist_ids, '/artist_ids/artist_id')

Any help on how to have multiple Artists listed in a single Column, but still searchable would be appreciated!
-Chris Joy

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Using XML as a list in a MySQL Column
January 18, 2012 10:43AM

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