refactor(db): 适配 drizzle-orm 0.x API 并引入 drizzle-zod

drizzle-orm 从 1.0 beta 降级到 0.45 后，1.0 的 defineRelations、drizzle-orm/zod
子路径以及 RQB v2 的 orderBy 对象语法均不可用。改用 schema 作为 drizzle()
入参、从独立的 drizzle-zod 包导入 schema 生成器，并将 orderBy 改回 0.x 的
回调写法。同时删除因降级而失效的旧迁移。

src/server/api/contracts/todo.contract.ts

@@ -1,5 +1,5 @@
 import { oc } from '@orpc/contract'
-import { createInsertSchema, createSelectSchema, createUpdateSchema } from 'drizzle-orm/zod'
+import { createInsertSchema, createSelectSchema, createUpdateSchema } from 'drizzle-zod'
 import { z } from 'zod'
 import { generatedFieldKeys } from '@/server/db/fields'
 import { todoTable } from '@/server/db/schema'

src/server/api/routers/todo.router.ts

@@ -6,7 +6,7 @@ import { todoTable } from '@/server/db/schema'
 
 export const list = os.todo.list.use(db).handler(async ({ context }) => {
   const todos = await context.db.query.todoTable.findMany({
-    orderBy: { createdAt: 'desc' },
+    orderBy: (table, { desc }) => desc(table.createdAt),
   })
   return todos
 })

src/server/db/index.ts

@@ -1,11 +1,11 @@
 import { drizzle } from 'drizzle-orm/postgres-js'
 import { env } from '@/env'
-import { relations } from '@/server/db/relations'
+import * as schema from '@/server/db/schema'
 
 export const createDB = () =>
   drizzle({
     connection: env.DATABASE_URL,
-    relations,
+    schema,
   })
 
 export type DB = ReturnType<typeof createDB>

src/server/db/relations.ts

@@ -1,4 +0,0 @@
-import { defineRelations } from 'drizzle-orm'
-import * as schema from './schema'
-
-export const relations = defineRelations(schema, (_r) => ({}))