董海洋
71 lines
2.5 KiB
JavaScript
71 lines
2.5 KiB
JavaScript
// 一次性迁移脚本：为 goods 表补充 goods_no、barcode、is_on_sale、cost_price、remark 等字段
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// 用法：node add_goods_no_barcode_columns.js
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const mysql = require('mysql2/promise')
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require('dotenv').config()
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const COLUMNS = [
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{ name: 'cost_price', ddl: 'ALTER TABLE goods ADD COLUMN `cost_price` decimal(10,2) DEFAULT 0 COMMENT "成本价"' },
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{ name: 'goods_no', ddl: 'ALTER TABLE goods ADD COLUMN `goods_no` varchar(64) DEFAULT "" COMMENT "商品货号"' },
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{ name: 'barcode', ddl: 'ALTER TABLE goods ADD COLUMN `barcode` varchar(64) DEFAULT "" COMMENT "商品条码"' },
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{ name: 'is_on_sale', ddl: 'ALTER TABLE goods ADD COLUMN `is_on_sale` tinyint(1) DEFAULT 1 COMMENT "是否上架 1-上架 0-下架"' },
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{ name: 'remark', ddl: 'ALTER TABLE goods ADD COLUMN `remark` varchar(500) DEFAULT "" COMMENT "备注"' }
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]
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const INDEXES = [
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{ name: 'idx_barcode', ddl: 'ALTER TABLE goods ADD INDEX `idx_barcode` (`barcode`)' },
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{ name: 'idx_goods_no', ddl: 'ALTER TABLE goods ADD INDEX `idx_goods_no` (`goods_no`)' }
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]
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async function main() {
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const config = {
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host: process.env.DB_HOST || 'localhost',
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port: parseInt(process.env.DB_PORT || '3306'),
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user: process.env.DB_USER || 'root',
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password: process.env.DB_PASSWORD || '',
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database: process.env.DB_NAME || 'miniprogram'
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}
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const connection = await mysql.createConnection(config)
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try {
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const [columns] = await connection.execute('DESCRIBE goods')
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const existing = new Set(columns.map(col => col.Field))
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console.log('当前 goods 表字段:', [...existing].join(', '))
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for (const col of COLUMNS) {
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if (existing.has(col.name)) {
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console.log(`- 字段 ${col.name} 已存在，跳过`)
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continue
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}
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console.log(`- 添加字段 ${col.name} ...`)
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await connection.execute(col.ddl)
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}
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const [indexes] = await connection.execute('SHOW INDEX FROM goods')
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const existingIndexes = new Set(indexes.map(i => i.Key_name))
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for (const idx of INDEXES) {
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if (existingIndexes.has(idx.name)) {
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console.log(`- 索引 ${idx.name} 已存在，跳过`)
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continue
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}
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console.log(`- 添加索引 ${idx.name} ...`)
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try {
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await connection.execute(idx.ddl)
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} catch (err) {
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console.warn(` 索引 ${idx.name} 添加失败：${err.message}`)
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}
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}
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console.log('完成 ✅')
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} finally {
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await connection.end()
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}
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}
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main().catch(err => {
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console.error('迁移失败:', err)
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process.exit(1)
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})
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