mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-11-24 08:32:23 +02:00
add a better approach for patching db, change setting.value from varchar to TEXT, restore Database.close() to 1.2.0
This commit is contained in:
LouisLam
parent
97df200d6c
commit
08de0090dc
22
db/patch-setting-value-type.sql
Normal file
22
db/patch-setting-value-type.sql
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@ -0,0 +1,22 @@
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-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
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BEGIN TRANSACTION;
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-- Generated by Intellij IDEA
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create table setting_dg_tmp
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(
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id INTEGER
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primary key autoincrement,
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key VARCHAR(200) not null
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unique,
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value TEXT,
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type VARCHAR(20)
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);
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insert into setting_dg_tmp(id, key, value, type) select id, key, value, type from setting;
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drop table setting;
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alter table setting_dg_tmp rename to setting;
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COMMIT;
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@ -1,15 +1,44 @@
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const fs = require("fs");
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const { R } = require("redbean-node");
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const { setSetting, setting } = require("./util-server");
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const { debug, sleep } = require("../src/util");
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const dayjs = require("dayjs");
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class Database {
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static templatePath = "./db/kuma.db"
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static templatePath = "./db/kuma.db";
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static dataDir;
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static path;
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/**
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* @type {boolean}
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*/
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static patched = false;
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/**
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* For Backup only
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*/
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static backupPath = null;
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/**
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* Add patch filename in key
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* Values:
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* true: Add it regardless of order
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* false: Do nothing
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* { parents: []}: Need parents before add it
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*/
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static patchList = {
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"patch-setting-value-type.sql": true,
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"patch-improve-performance.sql": true,
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}
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/**
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* The finally version should be 10 after merged tag feature
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* @deprecated Use patchList for any new feature
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*/
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static latestVersion = 9;
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static noReject = true;
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static sqliteInstance = null;
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static async connect() {
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const acquireConnectionTimeout = 120 * 1000;
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@ -60,19 +89,7 @@ class Database {
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} else {
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console.info("Database patch is needed")
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console.info("Backup the db")
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const backupPath = this.dataDir + "kuma.db.bak" + version;
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fs.copyFileSync(Database.path, backupPath);
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const shmPath = Database.path + "-shm";
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if (fs.existsSync(shmPath)) {
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fs.copyFileSync(shmPath, shmPath + ".bak" + version);
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}
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const walPath = Database.path + "-wal";
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if (fs.existsSync(walPath)) {
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fs.copyFileSync(walPath, walPath + ".bak" + version);
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}
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this.backup(version);
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// Try catch anything here, if gone wrong, restore the backup
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try {
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@ -83,18 +100,92 @@ class Database {
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console.info(`Patched ${sqlFile}`);
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await setSetting("database_version", i);
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}
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console.log("Database Patched Successfully");
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} catch (ex) {
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await Database.close();
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console.error("Patch db failed!!! Restoring the backup")
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fs.copyFileSync(backupPath, Database.path);
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console.error(ex)
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this.restore();
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console.error(ex)
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console.error("Start Uptime-Kuma failed due to patch db failed")
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console.error("Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues")
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process.exit(1);
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}
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}
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await this.patch2();
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}
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/**
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* Call it from patch() only
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* @returns {Promise<void>}
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*/
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static async patch2() {
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console.log("Database Patch 2.0 Process");
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let databasePatchedFiles = await setting("databasePatchedFiles");
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if (! databasePatchedFiles) {
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databasePatchedFiles = {};
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}
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debug("Patched files:");
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debug(databasePatchedFiles);
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try {
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for (let sqlFilename in this.patchList) {
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await this.patch2Recursion(sqlFilename, databasePatchedFiles)
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}
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if (this.patched) {
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console.log("Database Patched Successfully");
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}
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} catch (ex) {
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await Database.close();
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this.restore();
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console.error(ex)
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console.error("Start Uptime-Kuma failed due to patch db failed");
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console.error("Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
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process.exit(1);
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}
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await setSetting("databasePatchedFiles", databasePatchedFiles);
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}
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/**
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* Used it patch2() only
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* @param sqlFilename
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* @param databasePatchedFiles
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*/
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static async patch2Recursion(sqlFilename, databasePatchedFiles) {
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let value = this.patchList[sqlFilename];
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if (! value) {
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console.log(sqlFilename + " skip");
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return;
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}
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// Check if patched
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if (! databasePatchedFiles[sqlFilename]) {
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console.log(sqlFilename + " is not patched");
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if (value.parents) {
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console.log(sqlFilename + " need parents");
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for (let parentSQLFilename of value.parents) {
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await this.patch2Recursion(parentSQLFilename, databasePatchedFiles);
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}
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}
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this.backup(dayjs().format("YYYYMMDDHHmmss"));
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console.log(sqlFilename + " is patching");
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this.patched = true;
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await this.importSQLFile("./db/" + sqlFilename);
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databasePatchedFiles[sqlFilename] = true;
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console.log(sqlFilename + " is patched successfully");
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} else {
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console.log(sqlFilename + " is already patched, skip");
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}
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}
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/**
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@ -140,10 +231,96 @@ class Database {
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* @returns {Promise<void>}
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*/
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static async close() {
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if (this.sqliteInstance) {
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this.sqliteInstance.close();
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const listener = (reason, p) => {
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Database.noReject = false;
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};
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process.addListener("unhandledRejection", listener);
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console.log("Closing DB");
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while (true) {
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Database.noReject = true;
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await R.close();
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await sleep(2000);
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if (Database.noReject) {
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break;
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} else {
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console.log("Waiting to close the db");
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}
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}
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console.log("SQLite closed");
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process.removeListener("unhandledRejection", listener);
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}
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/**
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* One backup one time in this process.
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* Reset this.backupPath if you want to backup again
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* @param version
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*/
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static backup(version) {
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if (! this.backupPath) {
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console.info("Backup the db")
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this.backupPath = this.dataDir + "kuma.db.bak" + version;
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fs.copyFileSync(Database.path, this.backupPath);
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const shmPath = Database.path + "-shm";
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if (fs.existsSync(shmPath)) {
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this.backupShmPath = shmPath + ".bak" + version;
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fs.copyFileSync(shmPath, this.backupShmPath);
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}
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const walPath = Database.path + "-wal";
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if (fs.existsSync(walPath)) {
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this.backupWalPath = walPath + ".bak" + version;
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fs.copyFileSync(walPath, this.backupWalPath);
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}
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}
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}
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/**
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*
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*/
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static restore() {
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if (this.backupPath) {
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console.error("Patch db failed!!! Restoring the backup");
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const shmPath = Database.path + "-shm";
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const walPath = Database.path + "-wal";
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// Delete patch failed db
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try {
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if (fs.existsSync(Database.path)) {
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fs.unlinkSync(Database.path);
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}
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if (fs.existsSync(shmPath)) {
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fs.unlinkSync(shmPath);
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}
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if (fs.existsSync(walPath)) {
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fs.unlinkSync(walPath);
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}
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} catch (e) {
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console.log("Restore failed, you may need to restore the backup manually");
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process.exit(1);
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}
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// Restore backup
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fs.copyFileSync(this.backupPath, Database.path);
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if (this.backupShmPath) {
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fs.copyFileSync(this.backupShmPath, shmPath);
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}
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if (this.backupWalPath) {
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fs.copyFileSync(this.backupWalPath, walPath);
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}
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} else {
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console.log("Nothing to restore");
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}
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console.log("Stopped database");
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}
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}
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