https://github.com/gavinning/mysql-batch
批量更新数据库
https://github.com/gavinning/mysql-batch
Last synced: 6 months ago
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批量更新数据库
- Host: GitHub
- URL: https://github.com/gavinning/mysql-batch
- Owner: gavinning
- Created: 2016-08-01T04:04:18.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2016-08-01T04:04:53.000Z (over 9 years ago)
- Last Synced: 2025-03-27T07:48:55.667Z (10 months ago)
- Language: JavaScript
- Size: 1.95 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
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README
Mysql-batch
---
批量更新数据库，Update and Insert
### Install
```sh
npm i mysql-batch --save
```
Test Data
```json
[
[
"1000",
"1",
"爱星座",
"1",
"1",
"2",
"2",
"3",
"3"
],
[
"1001",
"1",
"爱电影",
"1",
"1",
"2",
"2",
"3",
"3"
],
[
"abc",
"1",
"爱直播",
"1",
"1",
"2",
"2",
"3",
"3"
],
[
"1003",
"",
"爱游戏",
"1",
"1",
"2",
"2",
"3",
"3"
]
]
```
### Usage
```js
var db = require('./db');
var Batch = require('mysql-batch');
var header = [
"list_id",
"status",
"memo",
"text1",
"url1",
"text2",
"url2",
"text3",
"url3"
]
var batch = new Batch({
// 主键，用于断定 Update or Insert
key: 'list_id',
// 表名
name: 'table_name',
// 数据对应字段名
header: header,
// 需要检查的必须字段
required: [
'list_id',
'status'
],
// mysql连接池
db: require('./db')
})
batch
.get(data)
// [[]] => [{}]
// 数据结构更新
.pipe(batch.parse())
// 过滤不符合条件的数据
.pipe(batch.filter())
// [{}] => [{ sql }]
// 数据结构更新，格式化sql语句
.pipe(batch.format())
// ==> db
// 更新数据库
// @err app级错误信息
// @sure 成功的信息
// @fail 失败的信息
// @filter 被过滤的信息
.dest((err, sure, fail, filter) => {
console.log(sure)
console.log(fail)
console.log(filter)
console.log('done')
})
```
Term Log
```js
[ { code: 0, type: 'update', key: '1000' },
{ code: 0, type: 'insert', key: '1001' } ]
[ { code: 1,
type: 'insert',
msg: 'ER_TRUNCATED_WRONG_VALUE_FOR_FIELD: Incorrect integer value: \'abc\' for column \'list_id\' at row 1',
err: [Error Object],
key: 'abc' } ]
[ { code: 2,
type: 'filter',
msg: '缺少关键字段',
required: [ 'list_id', 'status' ] } ]
done
```