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13 lines
440 B
MySQL
13 lines
440 B
MySQL
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-- Delete once all barcodes without a valid product_id (those are not visible anywhere)
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DELETE FROM product_barcodes
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WHERE product_id NOT IN (SELECT id FROM products);
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CREATE TRIGGER prevent_adding_barcodes_for_not_existing_products AFTER INSERT ON product_barcodes
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BEGIN
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SELECT CASE WHEN((
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SELECT 1
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FROM products p
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WHERE id = NEW.product_id
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) ISNULL) THEN RAISE(ABORT, "product_id doesn't reference a existing product") END;
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END;
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