增加 迁移回滚功能实现

server/migrations/003_createKnowInfoTable.ts

@@ -0,0 +1,35 @@
+import type { MigrationLiveDefinition } from '@d8d-appcontainer/types'
+import { AuditStatus, DeleteStatus } from '../../client/share/types.ts'
+
+const createKnowInfoTable: MigrationLiveDefinition = {
+  name: "create_know_info_table",
+  up: async (api) => {
+    await api.schema.createTable('know_info', (table) => {
+      table.increments('id').primary();
+      table.string('title').comment('文章标题');
+      table.string('tags').comment('文章标签');
+      table.text('content').comment('文章内容');
+      table.string('author').comment('作者');
+      table.string('category').comment('分类');
+      table.string('cover_url').comment('封面图片URL');
+      table.integer('audit_status').defaultTo(AuditStatus.PENDING).comment('审核状态');
+      table.integer('sort_order').defaultTo(0).comment('排序权重');
+      table.integer('is_deleted').defaultTo(DeleteStatus.NOT_DELETED).comment('是否被删除 (0否 1是)');
+      table.timestamps(true, true);
+      
+      // 添加索引
+      table.index('title');
+      table.index('tags');
+      table.index('author');
+      table.index('category');
+      table.index('audit_status');
+      table.index('sort_order');
+      table.index('is_deleted');
+    });
+  },
+  down: async (api) => {
+    await api.schema.dropTable('know_info');
+  }
+}
+
+export default createKnowInfoTable;