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DROP INDEX idx_product_cover ON product_images
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ERROR 1553 (HY000) at line 10: Cannot drop index 'idx_product_cover': needed in a foreign key constraint
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CREATE INDEX idx_product_cover ON product_images (product_id, is_cover, sort_order)
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ERROR 1061 (42000) at line 11: Duplicate key name 'idx_product_cover'
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CREATE INDEX idx_discount_price ON products (discount_price)
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ERROR 1072 (42000) at line 14: Key column 'discount_price' doesn't exist in table
result
Migration 012 complete: performance indexes added.