v4.0.9版本更新-门店分类支持多选

server/dukang-api/prisma/migrate-store-category-link.sql

@@ -0,0 +1,21 @@
+-- 门店多分类关联表（v4.0.9+）
+-- 执行：mysql ... < migrate-store-category-link.sql
+
+CREATE TABLE IF NOT EXISTS store_category_link (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  store_id BIGINT UNSIGNED NOT NULL,
+  category_id BIGINT UNSIGNED NOT NULL,
+  priority INT NOT NULL DEFAULT 0,
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (id),
+  UNIQUE KEY uk_store_category_link (store_id, category_id),
+  KEY idx_store_category_link_category (category_id),
+  CONSTRAINT fk_store_category_link_store FOREIGN KEY (store_id) REFERENCES store_store(id) ON DELETE CASCADE,
+  CONSTRAINT fk_store_category_link_category FOREIGN KEY (category_id) REFERENCES common_store_category(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 从现有主分类回填
+INSERT IGNORE INTO store_category_link (store_id, category_id, priority)
+SELECT id, category_id, 0
+FROM store_store
+WHERE category_id IS NOT NULL;