69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
const pg = require('pg')
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const config = require('../config')
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const path = require('path')
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const fs = require('fs')
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const versions = require('./dbVersion.json').versions
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const schemaPath = path.resolve(__dirname, '../schema')
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if (!Array.isArray(versions) || versions.length === 0) {
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throw new Error('Schema version empty')
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}
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const client = new pg.Client({
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host: config.database.host,
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port: config.database.port,
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user: config.database.user,
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password: config.database.pass,
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database: config.database.db_name
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})
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// auto start function
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;
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!(async function () {
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let flag = false
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await client.connect()
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await client.query(`select now()`)
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console.log('Database Connected')
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let version = -1
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let checkTable = await client.query(`select exists(select 1 from "information_schema"."tables" where "table_schema" = $1 and "table_name" = $2) as exists`, ['public', 'version_ctrl'])
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if (checkTable.rows.length > 0 && checkTable.rows[0].exists === true) {
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let checkVersion = await client.query(`select max(version) as version from "public"."version_ctrl"`)
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if (checkVersion.rows.length > 0 && 'version' in checkVersion.rows[0] && isFinite(checkVersion.rows[0].version)) {
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version = checkVersion.rows[0].version
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}
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}
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let runVer = versions.filter(t => t.version > version).sort((a, b) => a.version - b.version)
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if (runVer.length === 0) return
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await client.query('begin')
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try {
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// write table query
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for (let i in runVer) {
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let qstr = fs.readFileSync(path.resolve(schemaPath, runVer[i].file)).toString()
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await client.query(qstr)
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let query = `insert into "public"."version_ctrl" ("version", "ctime", "querystr") values ($1, now(), $2)`
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let param = [runVer[i].version, qstr]
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await client.query(query, param)
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}
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await client.query('commit')
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} catch (err) {
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flag = true
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console.log(err)
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await client.query('rollback')
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}
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await client.end()
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if (flag) throw new Error('Not Finish')
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})().then(() => {
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console.log('Finish')
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process.exit(0)
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}).catch(err => {
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console.error(err)
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process.exit(1)
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}) |