20 lines
388 B
Text
20 lines
388 B
Text
BEGIN
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UPDATE artists
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SET total_plays = total_plays - 1
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WHERE name_string = OLD.artist_name;
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UPDATE albums
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SET total_plays = total_plays - 1
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WHERE name = OLD.album_name
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AND artist_name = OLD.artist_name;
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UPDATE genres
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SET total_plays = total_plays - 1
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WHERE id = (
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SELECT genres
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FROM artists
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WHERE name_string = OLD.artist_name
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);
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RETURN OLD;
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END;
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