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feat: Add prisma sample for javascript
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DATABASE_URL="mysql://root:@127.0.0.1:2881/test?prefer_socket=false&a=.psdb.cloud" |
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node_modules |
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# Prisma 连接 OceanBase 指南 | ||
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[English](README.md) | 简体中文 | ||
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本文介绍如何通过 [Prisma](https://www.prisma.io) 连接 [OceanBase](https://www.oceanbase.com) 数据库。 | ||
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## 准备工作 | ||
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确保 Nodejs 和 npm 已经安装。 | ||
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## 项目配置 | ||
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拉取项目并进入相应目录: | ||
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```bash | ||
git clone [email protected]:oceanbase/ob-samples.git | ||
cd javascript/prisma | ||
``` | ||
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全局配置环境变量 (原因详见 https://open.oceanbase.com/blog/15137753618): | ||
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```bash | ||
export PRISMA_ENGINES_MIRROR=https://oceanbase-prisma-builds.s3.ap-southeast-1.amazonaws.com | ||
export BINARY_DOWNLOAD_VERSION=96fa66f2f130d66795d9f79dd431c678a9c7104e | ||
``` | ||
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安装依赖 (注意 `prisma` 和 `@prisma/client` 版本在 `^5.20.0` 及以上): | ||
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```bash | ||
npm install | ||
``` | ||
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修改 `.env` 中的数据库连接串,格式如下。注意需要设置 `prefer_socket=false`,以避免和 OceanBase 建立连接时报错。 | ||
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```bash | ||
DATABASE_URL="mysql://root:@127.0.0.1:2881/test?prefer_socket=false&a=.psdb.cloud" | ||
``` | ||
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执行以下命令,将 `prisma/schema.prisma` 中定义的 `User`、`Post` 和 `Profile` 模型同步到数据库中: | ||
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```bash | ||
npx prisma migrate dev --name init | ||
``` | ||
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```sql | ||
mysql> show tables; | ||
+--------------------+ | ||
| Tables_in_test | | ||
+--------------------+ | ||
| _prisma_migrations | | ||
| posts | | ||
| profiles | | ||
| users | | ||
+--------------------+ | ||
4 rows in set (0.02 sec) | ||
``` | ||
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执行 `index.ts`: | ||
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```bash | ||
npx ts-node index.ts | ||
``` | ||
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输出以下内容,说明执行成功: | ||
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```bash | ||
[ | ||
{ | ||
id: 1, | ||
email: '[email protected]', | ||
name: 'Alice', | ||
posts: [ | ||
{ | ||
id: 1, | ||
createdAt: 2024-10-31T04:33:45.535Z, | ||
updatedAt: 2024-10-31T04:33:45.535Z, | ||
title: 'Hello World', | ||
content: null, | ||
published: false, | ||
authorId: 1 | ||
} | ||
], | ||
profile: { id: 1, bio: 'I like turtles', userId: 1 } | ||
} | ||
] | ||
``` | ||
查看对应的 `users`、`posts` 和 `profiles` 表,数据已正常插入: | ||
```bash | ||
mysql> select * from users; | ||
+----+---------------------+-------+ | ||
| id | email | name | | ||
+----+---------------------+-------+ | ||
| 1 | [email protected] | Alice | | ||
+----+---------------------+-------+ | ||
1 row in set (0.01 sec) | ||
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mysql> select * from posts; | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
| id | createdAt | updatedAt | title | content | published | authorId | | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
| 1 | 2024-10-31 04:33:45.535 | 2024-10-31 04:33:45.535 | Hello World | NULL | 0 | 1 | | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
1 row in set (0.01 sec) | ||
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mysql> select * from profiles; | ||
+----+----------------+--------+ | ||
| id | bio | userId | | ||
+----+----------------+--------+ | ||
| 1 | I like turtles | 1 | | ||
+----+----------------+--------+ | ||
1 row in set (0.01 sec) | ||
``` |
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# Connect to OceanBase with Prisma | ||
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English | [简体中文](README-CN.md) | ||
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This document describes how to connect to [OceanBase](https://www.oceanbase.com) with [Prisma](https://www.prisma.io). | ||
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## Preparation | ||
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Make sure `Node.js` and `npm` are installed. | ||
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## Configuration | ||
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Clone the project and navigate to the appropriate directory: | ||
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```bash | ||
git clone [email protected]:oceanbase/ob-samples.git | ||
cd javascript/prisma | ||
``` | ||
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Set the global environment variables (for reasons see https://open.oceanbase.com/blog/15137753618): | ||
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```bash | ||
export PRISMA_ENGINES_MIRROR=https://oceanbase-prisma-builds.s3.ap-southeast-1.amazonaws.com | ||
export BINARY_DOWNLOAD_VERSION=96fa66f2f130d66795d9f79dd431c678a9c7104e | ||
``` | ||
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Install dependencies (note that the versions of `prisma` and `@prisma/client` should be `^5.20.0` or higher): | ||
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```bash | ||
npm install | ||
``` | ||
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Modify the connection string in the `.env` file, formatted as follows. Note that `prefer_socket=false` must be set to avoid errors when connecting to OceanBase. | ||
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```bash | ||
DATABASE_URL="mysql://root:@127.0.0.1:2881/test?prefer_socket=false&a=.psdb.cloud" | ||
``` | ||
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Execute the following command to synchronize the `User`, `Post` and `Profile` data models defined in `prisma/schema.prisma` to the database: | ||
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```bash | ||
npx prisma migrate dev --name init | ||
``` | ||
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```sql | ||
mysql> show tables; | ||
+--------------------+ | ||
| Tables_in_test | | ||
+--------------------+ | ||
| _prisma_migrations | | ||
| posts | | ||
| profiles | | ||
| users | | ||
+--------------------+ | ||
4 rows in set (0.02 sec) | ||
``` | ||
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Execute `index.ts`: | ||
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```bash | ||
npx ts-node index.ts | ||
``` | ||
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The output should be as follows, indicating successful execution: | ||
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```bash | ||
[ | ||
{ | ||
id: 1, | ||
email: '[email protected]', | ||
name: 'Alice', | ||
posts: [ | ||
{ | ||
id: 1, | ||
createdAt: 2024-10-31T04:33:45.535Z, | ||
updatedAt: 2024-10-31T04:33:45.535Z, | ||
title: 'Hello World', | ||
content: null, | ||
published: false, | ||
authorId: 1 | ||
} | ||
], | ||
profile: { id: 1, bio: 'I like turtles', userId: 1 } | ||
} | ||
] | ||
``` | ||
Check the corresponding `users`, `posts` and `profiles` tables and the data has been inserted: | ||
```bash | ||
mysql> select * from users; | ||
+----+---------------------+-------+ | ||
| id | email | name | | ||
+----+---------------------+-------+ | ||
| 1 | [email protected] | Alice | | ||
+----+---------------------+-------+ | ||
1 row in set (0.01 sec) | ||
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||
mysql> select * from posts; | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
| id | createdAt | updatedAt | title | content | published | authorId | | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
| 1 | 2024-10-31 04:33:45.535 | 2024-10-31 04:33:45.535 | Hello World | NULL | 0 | 1 | | ||
+----+-------------------------+-------------------------+-------------+---------+-----------+----------+ | ||
1 row in set (0.01 sec) | ||
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mysql> select * from profiles; | ||
+----+----------------+--------+ | ||
| id | bio | userId | | ||
+----+----------------+--------+ | ||
| 1 | I like turtles | 1 | | ||
+----+----------------+--------+ | ||
1 row in set (0.01 sec) | ||
``` |
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import { PrismaClient } from "@prisma/client"; | ||
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const prisma = new PrismaClient(); | ||
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async function main() { | ||
await prisma.user.create({ | ||
data: { | ||
name: "Alice", | ||
email: "[email protected]", | ||
posts: { | ||
create: { title: "Hello World" }, | ||
}, | ||
profile: { | ||
create: { bio: "I like turtles" }, | ||
}, | ||
}, | ||
}); | ||
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const allUsers = await prisma.user.findMany({ | ||
include: { | ||
posts: true, | ||
profile: true, | ||
}, | ||
}); | ||
console.dir(allUsers, { depth: null }); | ||
} | ||
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main() | ||
.then(async () => { | ||
await prisma.$disconnect(); | ||
}) | ||
.catch(async (e) => { | ||
console.error(e); | ||
await prisma.$disconnect(); | ||
process.exit(1); | ||
}); |
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{ | ||
"name": "prisma", | ||
"version": "1.0.0", | ||
"main": "index.js", | ||
"scripts": { | ||
"test": "echo \"Error: no test specified\" && exit 1" | ||
}, | ||
"keywords": [], | ||
"author": "", | ||
"license": "ISC", | ||
"description": "", | ||
"devDependencies": { | ||
"@types/node": "^22.8.4", | ||
"prisma": "^5.21.1", | ||
"ts-node": "^10.9.2", | ||
"typescript": "^5.6.3" | ||
}, | ||
"dependencies": { | ||
"@prisma/client": "^5.21.1" | ||
} | ||
} |
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