在 vue 项目中,使用 clickhouse js 进行增删改查可以分为以下几个步骤:
npm install clickhouse-js
// clickhouse.js import { client } from 'clickhouse-js'; class clickhouse { constructor(config) { this.client = new client(config); } async query(sql) { return this.client.query(sql); } async insert(table, data) { const sql = `insert into ${table} (${object.keys(data).join(', ')}) values (${object.values(data).map(() => '?').join(', ')})`; return this.client.query(sql, object.values(data)); } async update(table, data, where) { const sql = `update ${table} set ${object.keys(data).map(key => `${key} = ?`).join(', ')} where ${where}`; return this.client.query(sql, [...object.values(data)]); } async delete(table, where) { const sql = `delete from ${table} where ${where}`; return this.client.query(sql); } }
import ClickHouse from '@/clickhouse'; export default { data() { return { clickHouse: new ClickHouse({host: 'localhost', port: '8123', database: 'test'}) } }, methods: { async query() { const result = await this.clickHouse.query('SELECT * FROM test'); console.log(result); }, async insert() { const result = await this.clickHouse.insert('test', {name: 'John Doe', age: 30}); console.log(result); }, async update() { const result = await this.clickHouse.update('test', {name: 'Jane Doe'}, 'id = 1'); console.log(result); }, async delete() { const result = await this.clickHouse.delete('test', 'id = 1'); console.log(result); }, } }
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