Open wangxinyun1995 opened 5 years ago
validates :sku, uniqueness: { scope: [:code], message: "sku和code互为唯一" }
''' add_index "products", ["sku", "code"], name: "index_products_on_sku_and_code", unique: true, using: :btree
'''
validates :sku, uniqueness: { scope: [:code], message: "sku和code互为唯一" }
索引也要添加
''' add_index "products", ["sku", "code"], name: "index_products_on_sku_and_code", unique: true, using: :btree
'''