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10 lines
271 B
MySQL
10 lines
271 B
MySQL
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CREATE TRIGGER remove_recipe_from_meal_plans AFTER DELETE ON recipes
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BEGIN
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DELETE FROM meal_plan
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WHERE recipe_id = OLD.id;
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END;
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-- Delete all recipes from the meal plan which doesn't exist anymore
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DELETE FROM meal_plan
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WHERE recipe_id NOT IN (SELECT id FROM recipes);
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