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https://github.com/sphildreth/roadie
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13 lines
No EOL
290 B
SQL
13 lines
No EOL
290 B
SQL
UPDATE `track`
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set artistId = NULL
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where id in (select t.id
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from `track` t
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where artistId IS NOT NULL
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and artistId NOT IN (select id from `artist`));
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ALTER TABLE `track`
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ADD CONSTRAINT `track_artist_ibfk_1`
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FOREIGN KEY (`artistId`)
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REFERENCES `artist` (`id`)
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ON DELETE SET NULL;
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