зеркало из https://github.com/mozilla/gecko-dev.git
1295 строки
44 KiB
JavaScript
1295 строки
44 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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* vim: sw=2 ts=2 sts=2 expandtab filetype=javascript
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const BYTES_PER_MEBIBYTE = 1048576;
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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XPCOMUtils.defineLazyModuleGetters(this, {
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Services: "resource://gre/modules/Services.jsm",
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OS: "resource://gre/modules/osfile.jsm",
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PlacesUtils: "resource://gre/modules/PlacesUtils.jsm",
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Sqlite: "resource://gre/modules/Sqlite.jsm",
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});
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var EXPORTED_SYMBOLS = ["PlacesDBUtils"];
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var PlacesDBUtils = {
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_isShuttingDown: false,
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shutdown() {
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PlacesDBUtils._isShuttingDown = true;
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},
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_clearTaskQueue: false,
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clearPendingTasks() {
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PlacesDBUtils._clearTaskQueue = true;
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},
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/**
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* Executes integrity check and common maintenance tasks.
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*
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* @return a Map[taskName(String) -> Object]. The Object has the following properties:
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* - succeeded: boolean
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* - logs: an array of strings containing the messages logged by the task.
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*/
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async maintenanceOnIdle() {
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let tasks = [
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this.checkIntegrity,
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this.invalidateCaches,
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this.checkCoherence,
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this._refreshUI,
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this.originFrecencyStats,
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this.incrementalVacuum,
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];
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let telemetryStartTime = Date.now();
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let taskStatusMap = await PlacesDBUtils.runTasks(tasks);
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Services.prefs.setIntPref(
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"places.database.lastMaintenance",
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parseInt(Date.now() / 1000)
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);
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Services.telemetry
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.getHistogramById("PLACES_IDLE_MAINTENANCE_TIME_MS")
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.add(Date.now() - telemetryStartTime);
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return taskStatusMap;
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},
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/**
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* Executes integrity check, common and advanced maintenance tasks (like
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* expiration and vacuum). Will also collect statistics on the database.
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*
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* Note: although this function isn't actually async, we keep it async to
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* allow us to maintain a simple, consistent API for the tasks within this object.
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*
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* @return {Promise}
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* A promise that resolves with a Map[taskName(String) -> Object].
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* The Object has the following properties:
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* - succeeded: boolean
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* - logs: an array of strings containing the messages logged by the task.
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*/
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async checkAndFixDatabase() {
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let tasks = [
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this.checkIntegrity,
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this.invalidateCaches,
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this.checkCoherence,
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this.expire,
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this.originFrecencyStats,
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this.vacuum,
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this.stats,
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this._refreshUI,
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];
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return PlacesDBUtils.runTasks(tasks);
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},
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/**
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* Forces a full refresh of Places views.
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*
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* Note: although this function isn't actually async, we keep it async to
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* allow us to maintain a simple, consistent API for the tasks within this object.
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*
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* @returns {Array} An empty array.
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*/
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async _refreshUI() {
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// Send batch update notifications to update the UI.
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let observers = PlacesUtils.history.getObservers();
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for (let observer of observers) {
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observer.onBeginUpdateBatch();
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observer.onEndUpdateBatch();
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}
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return [];
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},
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/**
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* Checks integrity and tries to fix the database through a reindex.
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*
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* @return {Promise} resolves if database is sane or is made sane.
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* @resolves to an array of logs for this task.
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* @rejects if we're unable to fix corruption or unable to check status.
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*/
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async checkIntegrity() {
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let logs = [];
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async function check(dbName) {
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try {
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await integrity(dbName);
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logs.push(`The ${dbName} database is sane`);
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} catch (ex) {
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PlacesDBUtils.clearPendingTasks();
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if (ex.result == Cr.NS_ERROR_FILE_CORRUPTED) {
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logs.push(`The ${dbName} database is corrupt`);
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Services.prefs.setCharPref(
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"places.database.replaceDatabaseOnStartup",
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dbName
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);
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throw new Error(
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`Unable to fix corruption, ${dbName} will be replaced on next startup`
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);
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}
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throw new Error(`Unable to check ${dbName} integrity: ${ex}`);
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}
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}
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await check("places.sqlite");
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await check("favicons.sqlite");
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return logs;
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},
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invalidateCaches() {
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let logs = [];
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return PlacesUtils.withConnectionWrapper(
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"PlacesDBUtils: invalidate caches",
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async db => {
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let idsWithInvalidGuidsRows = await db.execute(`
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SELECT id FROM moz_bookmarks
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WHERE guid IS NULL OR
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NOT IS_VALID_GUID(guid)`);
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for (let row of idsWithInvalidGuidsRows) {
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let id = row.getResultByName("id");
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PlacesUtils.invalidateCachedGuidFor(id);
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}
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logs.push("The caches have been invalidated");
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return logs;
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}
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).catch(ex => {
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PlacesDBUtils.clearPendingTasks();
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throw new Error("Unable to invalidate caches");
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});
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},
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/**
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* Checks data coherence and tries to fix most common errors.
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*
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* @return {Promise} resolves when coherence is checked.
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* @resolves to an array of logs for this task.
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* @rejects if database is not coherent.
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*/
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async checkCoherence() {
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let logs = [];
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let stmts = await PlacesDBUtils._getCoherenceStatements();
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let coherenceCheck = true;
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await PlacesUtils.withConnectionWrapper(
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"PlacesDBUtils: coherence check:",
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db =>
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db.executeTransaction(async () => {
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for (let { query, params } of stmts) {
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try {
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await db.execute(query, params || null);
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} catch (ex) {
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Cu.reportError(ex);
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coherenceCheck = false;
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}
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}
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})
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);
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if (coherenceCheck) {
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logs.push("The database is coherent");
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} else {
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PlacesDBUtils.clearPendingTasks();
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throw new Error("Unable to complete the coherence check");
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}
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return logs;
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},
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/**
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* Runs incremental vacuum on databases supporting it.
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*
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* @return {Promise} resolves when done.
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* @resolves to an array of logs for this task.
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* @rejects if we were unable to vacuum.
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*/
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async incrementalVacuum() {
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let logs = [];
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return PlacesUtils.withConnectionWrapper(
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"PlacesDBUtils: incrementalVacuum",
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async db => {
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let count = (await db.execute(
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"PRAGMA favicons.freelist_count"
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))[0].getResultByIndex(0);
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if (count < 10) {
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logs.push(
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`The favicons database has only ${count} free pages, not vacuuming.`
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);
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} else {
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logs.push(
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`The favicons database has ${count} free pages, vacuuming.`
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);
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await db.execute("PRAGMA favicons.incremental_vacuum");
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count = (await db.execute(
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"PRAGMA favicons.freelist_count"
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))[0].getResultByIndex(0);
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logs.push(
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`The database has been vacuumed and has now ${count} free pages.`
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);
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}
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return logs;
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}
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).catch(ex => {
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PlacesDBUtils.clearPendingTasks();
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throw new Error(
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"Unable to incrementally vacuum the favicons database " + ex
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);
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});
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},
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async _getCoherenceStatements() {
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let cleanupStatements = [
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// MOZ_PLACES
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// L.1 remove duplicate URLs.
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// This task uses a temp table of potential dupes, and a trigger to remove
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// them. It runs first because it relies on subsequent tasks to clean up
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// orphaned foreign key references. The task works like this: first, we
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// insert all rows with the same hash into the temp table. This lets
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// SQLite use the `url_hash` index for scanning `moz_places`. Hashes
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// aren't unique, so two different URLs might have the same hash. To find
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// the actual dupes, we use a unique constraint on the URL in the temp
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// table. If that fails, we bump the dupe count. Then, we delete all dupes
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// from the table. This fires the cleanup trigger, which updates all
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// foreign key references to point to one of the duplicate Places, then
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// deletes the others.
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{
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query: `CREATE TEMP TABLE IF NOT EXISTS moz_places_dupes_temp(
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id INTEGER PRIMARY KEY
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, hash INTEGER NOT NULL
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, url TEXT UNIQUE NOT NULL
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, count INTEGER NOT NULL DEFAULT 0
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)`,
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},
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{
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query: `CREATE TEMP TRIGGER IF NOT EXISTS moz_places_remove_dupes_temp_trigger
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AFTER DELETE ON moz_places_dupes_temp
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FOR EACH ROW
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BEGIN
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/* Reassign history visits. */
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UPDATE moz_historyvisits SET
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place_id = OLD.id
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WHERE place_id IN (SELECT id FROM moz_places
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WHERE id <> OLD.id AND
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url_hash = OLD.hash AND
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url = OLD.url);
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/* Merge autocomplete history entries. */
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INSERT INTO moz_inputhistory(place_id, input, use_count)
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SELECT OLD.id, a.input, a.use_count
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FROM moz_inputhistory a
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JOIN moz_places h ON h.id = a.place_id
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WHERE h.id <> OLD.id AND
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h.url_hash = OLD.hash AND
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h.url = OLD.url
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ON CONFLICT(place_id, input) DO UPDATE SET
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place_id = excluded.place_id,
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use_count = use_count + excluded.use_count;
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/* Merge page annos, ignoring annos with the same name that are
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already set on the destination. */
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INSERT OR IGNORE INTO moz_annos(id, place_id, anno_attribute_id,
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content, flags, expiration, type,
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dateAdded, lastModified)
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SELECT (SELECT k.id FROM moz_annos k
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WHERE k.place_id = OLD.id AND
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k.anno_attribute_id = a.anno_attribute_id), OLD.id,
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a.anno_attribute_id, a.content, a.flags, a.expiration, a.type,
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a.dateAdded, a.lastModified
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FROM moz_annos a
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JOIN moz_places h ON h.id = a.place_id
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WHERE h.id <> OLD.id AND
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url_hash = OLD.hash AND
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url = OLD.url;
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/* Reassign bookmarks, and bump the Sync change counter just in case
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we have new keywords. */
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UPDATE moz_bookmarks SET
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fk = OLD.id,
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syncChangeCounter = syncChangeCounter + 1
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WHERE fk IN (SELECT id FROM moz_places
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WHERE url_hash = OLD.hash AND
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url = OLD.url);
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/* Reassign keywords. */
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UPDATE moz_keywords SET
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place_id = OLD.id
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WHERE place_id IN (SELECT id FROM moz_places
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WHERE id <> OLD.id AND
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url_hash = OLD.hash AND
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url = OLD.url);
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/* Now that we've updated foreign key references, drop the
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conflicting source. */
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DELETE FROM moz_places
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WHERE id <> OLD.id AND
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url_hash = OLD.hash AND
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url = OLD.url;
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/* Recalculate frecency for the destination. */
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UPDATE moz_places SET
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frecency = calculate_frecency(id)
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WHERE id = OLD.id;
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/* Trigger frecency updates for affected origins. */
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DELETE FROM moz_updateoriginsupdate_temp;
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END`,
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},
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{
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query: `INSERT INTO moz_places_dupes_temp(id, hash, url, count)
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SELECT h.id, h.url_hash, h.url, 1
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FROM moz_places h
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JOIN (SELECT url_hash FROM moz_places
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GROUP BY url_hash
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HAVING count(*) > 1) d ON d.url_hash = h.url_hash
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ON CONFLICT(url) DO UPDATE SET
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count = count + 1`,
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},
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{ query: `DELETE FROM moz_places_dupes_temp WHERE count > 1` },
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{ query: `DROP TABLE moz_places_dupes_temp` },
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// MOZ_ANNO_ATTRIBUTES
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// A.1 remove obsolete annotations from moz_annos.
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// The 'weave0' idiom exploits character ordering (0 follows /) to
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// efficiently select all annos with a 'weave/' prefix.
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{
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query: `DELETE FROM moz_annos
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WHERE type = 4 OR anno_attribute_id IN (
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SELECT id FROM moz_anno_attributes
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WHERE name = 'downloads/destinationFileName' OR
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name BETWEEN 'weave/' AND 'weave0'
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)`,
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},
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// A.2 remove obsolete annotations from moz_items_annos.
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{
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query: `DELETE FROM moz_items_annos
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WHERE type = 4 OR anno_attribute_id IN (
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SELECT id FROM moz_anno_attributes
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WHERE name = 'sync/children'
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OR name = 'placesInternal/GUID'
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OR name BETWEEN 'weave/' AND 'weave0'
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)`,
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},
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// A.3 remove unused attributes.
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{
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query: `DELETE FROM moz_anno_attributes WHERE id IN (
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SELECT id FROM moz_anno_attributes n
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WHERE NOT EXISTS
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(SELECT id FROM moz_annos WHERE anno_attribute_id = n.id LIMIT 1)
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AND NOT EXISTS
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(SELECT id FROM moz_items_annos WHERE anno_attribute_id = n.id LIMIT 1)
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)`,
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},
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// MOZ_ANNOS
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// B.1 remove annos with an invalid attribute
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{
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query: `DELETE FROM moz_annos WHERE id IN (
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SELECT id FROM moz_annos a
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WHERE NOT EXISTS
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(SELECT id FROM moz_anno_attributes
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WHERE id = a.anno_attribute_id LIMIT 1)
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)`,
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},
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// B.2 remove orphan annos
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{
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query: `DELETE FROM moz_annos WHERE id IN (
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SELECT id FROM moz_annos a
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WHERE NOT EXISTS
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(SELECT id FROM moz_places WHERE id = a.place_id LIMIT 1)
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)`,
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},
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// D.1 remove items without a valid place
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// If fk IS NULL we fix them in D.7
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{
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query: `DELETE FROM moz_bookmarks WHERE guid NOT IN (
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:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
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) AND id IN (
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SELECT b.id FROM moz_bookmarks b
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WHERE fk NOT NULL AND b.type = :bookmark_type
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AND NOT EXISTS (SELECT url FROM moz_places WHERE id = b.fk LIMIT 1)
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)`,
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params: {
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bookmark_type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
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rootGuid: PlacesUtils.bookmarks.rootGuid,
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menuGuid: PlacesUtils.bookmarks.menuGuid,
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toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
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unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
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tagsGuid: PlacesUtils.bookmarks.tagsGuid,
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},
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},
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// D.2 remove items that are not uri bookmarks from tag containers
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{
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query: `DELETE FROM moz_bookmarks WHERE guid NOT IN (
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:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
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) AND id IN (
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SELECT b.id FROM moz_bookmarks b
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WHERE b.parent IN
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(SELECT id FROM moz_bookmarks WHERE parent = :tags_folder)
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AND b.type <> :bookmark_type
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)`,
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params: {
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tags_folder: PlacesUtils.tagsFolderId,
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bookmark_type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
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rootGuid: PlacesUtils.bookmarks.rootGuid,
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menuGuid: PlacesUtils.bookmarks.menuGuid,
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toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
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unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
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tagsGuid: PlacesUtils.bookmarks.tagsGuid,
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},
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},
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// D.3 remove empty tags
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{
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query: `DELETE FROM moz_bookmarks WHERE guid NOT IN (
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:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
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) AND id IN (
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SELECT b.id FROM moz_bookmarks b
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WHERE b.id IN
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(SELECT id FROM moz_bookmarks WHERE parent = :tags_folder)
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AND NOT EXISTS
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(SELECT id from moz_bookmarks WHERE parent = b.id LIMIT 1)
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)`,
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params: {
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tags_folder: PlacesUtils.tagsFolderId,
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rootGuid: PlacesUtils.bookmarks.rootGuid,
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menuGuid: PlacesUtils.bookmarks.menuGuid,
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toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
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unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
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tagsGuid: PlacesUtils.bookmarks.tagsGuid,
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},
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},
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// D.4 move orphan items to unsorted folder
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{
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query: `UPDATE moz_bookmarks SET
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parent = (SELECT id FROM moz_bookmarks WHERE guid = :unfiledGuid)
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WHERE guid NOT IN (
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:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
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) AND id IN (
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SELECT b.id FROM moz_bookmarks b
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WHERE NOT EXISTS
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(SELECT id FROM moz_bookmarks WHERE id = b.parent LIMIT 1)
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)`,
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params: {
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rootGuid: PlacesUtils.bookmarks.rootGuid,
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menuGuid: PlacesUtils.bookmarks.menuGuid,
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toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
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unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
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tagsGuid: PlacesUtils.bookmarks.tagsGuid,
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},
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},
|
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|
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// D.6 fix wrong item types
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// Folders and separators should not have an fk.
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// If they have a valid fk convert them to bookmarks. Later in D.9 we
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// will move eventual children to unsorted bookmarks.
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{
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query: `UPDATE moz_bookmarks
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SET type = :bookmark_type,
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syncChangeCounter = syncChangeCounter + 1
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WHERE guid NOT IN (
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:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
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) AND id IN (
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SELECT id FROM moz_bookmarks b
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WHERE type IN (:folder_type, :separator_type)
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AND fk NOTNULL
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)`,
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params: {
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bookmark_type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
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folder_type: PlacesUtils.bookmarks.TYPE_FOLDER,
|
|
separator_type: PlacesUtils.bookmarks.TYPE_SEPARATOR,
|
|
rootGuid: PlacesUtils.bookmarks.rootGuid,
|
|
menuGuid: PlacesUtils.bookmarks.menuGuid,
|
|
toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
|
|
unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
|
|
tagsGuid: PlacesUtils.bookmarks.tagsGuid,
|
|
},
|
|
},
|
|
|
|
// D.7 fix wrong item types
|
|
// Bookmarks should have an fk, if they don't have any, convert them to
|
|
// folders.
|
|
{
|
|
query: `UPDATE moz_bookmarks
|
|
SET type = :folder_type,
|
|
syncChangeCounter = syncChangeCounter + 1
|
|
WHERE guid NOT IN (
|
|
:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
|
|
) AND id IN (
|
|
SELECT id FROM moz_bookmarks b
|
|
WHERE type = :bookmark_type
|
|
AND fk IS NULL
|
|
)`,
|
|
params: {
|
|
bookmark_type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
|
|
folder_type: PlacesUtils.bookmarks.TYPE_FOLDER,
|
|
rootGuid: PlacesUtils.bookmarks.rootGuid,
|
|
menuGuid: PlacesUtils.bookmarks.menuGuid,
|
|
toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
|
|
unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
|
|
tagsGuid: PlacesUtils.bookmarks.tagsGuid,
|
|
},
|
|
},
|
|
|
|
// D.9 fix wrong parents
|
|
// Items cannot have separators or other bookmarks
|
|
// as parent, if they have bad parent move them to unsorted bookmarks.
|
|
{
|
|
query: `UPDATE moz_bookmarks SET
|
|
parent = (SELECT id FROM moz_bookmarks WHERE guid = :unfiledGuid)
|
|
WHERE guid NOT IN (
|
|
:rootGuid, :menuGuid, :toolbarGuid, :unfiledGuid, :tagsGuid /* skip roots */
|
|
) AND id IN (
|
|
SELECT id FROM moz_bookmarks b
|
|
WHERE EXISTS
|
|
(SELECT id FROM moz_bookmarks WHERE id = b.parent
|
|
AND type IN (:bookmark_type, :separator_type)
|
|
LIMIT 1)
|
|
)`,
|
|
params: {
|
|
bookmark_type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
|
|
separator_type: PlacesUtils.bookmarks.TYPE_SEPARATOR,
|
|
rootGuid: PlacesUtils.bookmarks.rootGuid,
|
|
menuGuid: PlacesUtils.bookmarks.menuGuid,
|
|
toolbarGuid: PlacesUtils.bookmarks.toolbarGuid,
|
|
unfiledGuid: PlacesUtils.bookmarks.unfiledGuid,
|
|
tagsGuid: PlacesUtils.bookmarks.tagsGuid,
|
|
},
|
|
},
|
|
|
|
// D.10 recalculate positions
|
|
// This requires multiple related statements.
|
|
// We can detect a folder with bad position values comparing the sum of
|
|
// all distinct position values (+1 since position is 0-based) with the
|
|
// triangular numbers obtained by the number of children (n).
|
|
// SUM(DISTINCT position + 1) == (n * (n + 1) / 2).
|
|
// id is not a PRIMARY KEY on purpose, since we need a rowid that
|
|
// increments monotonically.
|
|
{
|
|
query: `CREATE TEMP TABLE IF NOT EXISTS moz_bm_reindex_temp (
|
|
id INTEGER
|
|
, parent INTEGER
|
|
, position INTEGER
|
|
)`,
|
|
},
|
|
{
|
|
query: `INSERT INTO moz_bm_reindex_temp
|
|
SELECT id, parent, 0
|
|
FROM moz_bookmarks b
|
|
WHERE parent IN (
|
|
SELECT parent
|
|
FROM moz_bookmarks
|
|
GROUP BY parent
|
|
HAVING (SUM(DISTINCT position + 1) - (count(*) * (count(*) + 1) / 2)) <> 0
|
|
)
|
|
ORDER BY parent ASC, position ASC, ROWID ASC`,
|
|
},
|
|
{
|
|
query: `CREATE INDEX IF NOT EXISTS moz_bm_reindex_temp_index
|
|
ON moz_bm_reindex_temp(parent)`,
|
|
},
|
|
{
|
|
query: `UPDATE moz_bm_reindex_temp SET position = (
|
|
ROWID - (SELECT MIN(t.ROWID) FROM moz_bm_reindex_temp t
|
|
WHERE t.parent = moz_bm_reindex_temp.parent)
|
|
)`,
|
|
},
|
|
{
|
|
query: `CREATE TEMP TRIGGER IF NOT EXISTS moz_bm_reindex_temp_trigger
|
|
BEFORE DELETE ON moz_bm_reindex_temp
|
|
FOR EACH ROW
|
|
BEGIN
|
|
UPDATE moz_bookmarks SET position = OLD.position WHERE id = OLD.id;
|
|
END`,
|
|
},
|
|
{ query: `DELETE FROM moz_bm_reindex_temp` },
|
|
{ query: `DROP INDEX moz_bm_reindex_temp_index` },
|
|
{ query: `DROP TRIGGER moz_bm_reindex_temp_trigger` },
|
|
{ query: `DROP TABLE moz_bm_reindex_temp` },
|
|
|
|
// D.12 Fix empty-named tags.
|
|
// Tags were allowed to have empty names due to a UI bug. Fix them by
|
|
// replacing their title with "(notitle)", and bumping the change counter
|
|
// for all bookmarks with the fixed tags.
|
|
{
|
|
query: `UPDATE moz_bookmarks SET syncChangeCounter = syncChangeCounter + 1
|
|
WHERE fk IN (SELECT b.fk FROM moz_bookmarks b
|
|
JOIN moz_bookmarks p ON p.id = b.parent
|
|
WHERE length(p.title) = 0 AND p.type = :folder_type AND
|
|
p.parent = :tags_folder)`,
|
|
params: {
|
|
folder_type: PlacesUtils.bookmarks.TYPE_FOLDER,
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
},
|
|
},
|
|
{
|
|
query: `UPDATE moz_bookmarks SET title = :empty_title
|
|
WHERE length(title) = 0 AND type = :folder_type
|
|
AND parent = :tags_folder`,
|
|
params: {
|
|
empty_title: "(notitle)",
|
|
folder_type: PlacesUtils.bookmarks.TYPE_FOLDER,
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
},
|
|
},
|
|
|
|
// MOZ_ICONS
|
|
// E.1 remove orphan icon entries.
|
|
{
|
|
query: `DELETE FROM moz_pages_w_icons WHERE page_url_hash NOT IN (
|
|
SELECT url_hash FROM moz_places
|
|
)`,
|
|
},
|
|
|
|
// Remove icons whose origin is not in moz_origins, unless referenced.
|
|
{
|
|
query: `DELETE FROM moz_icons WHERE id IN (
|
|
SELECT id FROM moz_icons WHERE root = 0
|
|
UNION ALL
|
|
SELECT id FROM moz_icons
|
|
WHERE root = 1
|
|
AND get_host_and_port(icon_url) NOT IN (SELECT host FROM moz_origins)
|
|
AND fixup_url(get_host_and_port(icon_url)) NOT IN (SELECT host FROM moz_origins)
|
|
EXCEPT
|
|
SELECT icon_id FROM moz_icons_to_pages
|
|
)`,
|
|
},
|
|
|
|
// MOZ_HISTORYVISITS
|
|
// F.1 remove orphan visits
|
|
{
|
|
query: `DELETE FROM moz_historyvisits WHERE id IN (
|
|
SELECT id FROM moz_historyvisits v
|
|
WHERE NOT EXISTS
|
|
(SELECT id FROM moz_places WHERE id = v.place_id LIMIT 1)
|
|
)`,
|
|
},
|
|
|
|
// MOZ_INPUTHISTORY
|
|
// G.1 remove orphan input history
|
|
{
|
|
query: `DELETE FROM moz_inputhistory WHERE place_id IN (
|
|
SELECT place_id FROM moz_inputhistory i
|
|
WHERE NOT EXISTS
|
|
(SELECT id FROM moz_places WHERE id = i.place_id LIMIT 1)
|
|
)`,
|
|
},
|
|
|
|
// MOZ_ITEMS_ANNOS
|
|
// H.1 remove item annos with an invalid attribute
|
|
{
|
|
query: `DELETE FROM moz_items_annos WHERE id IN (
|
|
SELECT id FROM moz_items_annos t
|
|
WHERE NOT EXISTS
|
|
(SELECT id FROM moz_anno_attributes
|
|
WHERE id = t.anno_attribute_id LIMIT 1)
|
|
)`,
|
|
},
|
|
|
|
// H.2 remove orphan item annos
|
|
{
|
|
query: `DELETE FROM moz_items_annos WHERE id IN (
|
|
SELECT id FROM moz_items_annos t
|
|
WHERE NOT EXISTS
|
|
(SELECT id FROM moz_bookmarks WHERE id = t.item_id LIMIT 1)
|
|
)`,
|
|
},
|
|
|
|
// MOZ_KEYWORDS
|
|
// I.1 remove unused keywords
|
|
{
|
|
query: `DELETE FROM moz_keywords WHERE id IN (
|
|
SELECT id FROM moz_keywords k
|
|
WHERE NOT EXISTS
|
|
(SELECT 1 FROM moz_places h WHERE k.place_id = h.id)
|
|
)`,
|
|
},
|
|
|
|
// MOZ_PLACES
|
|
// L.2 recalculate visit_count and last_visit_date
|
|
{
|
|
query: `UPDATE moz_places
|
|
SET visit_count = (SELECT count(*) FROM moz_historyvisits
|
|
WHERE place_id = moz_places.id AND visit_type NOT IN (0,4,7,8,9)),
|
|
last_visit_date = (SELECT MAX(visit_date) FROM moz_historyvisits
|
|
WHERE place_id = moz_places.id)
|
|
WHERE id IN (
|
|
SELECT h.id FROM moz_places h
|
|
WHERE visit_count <> (SELECT count(*) FROM moz_historyvisits v
|
|
WHERE v.place_id = h.id AND visit_type NOT IN (0,4,7,8,9))
|
|
OR last_visit_date <> (SELECT MAX(visit_date) FROM moz_historyvisits v
|
|
WHERE v.place_id = h.id)
|
|
)`,
|
|
},
|
|
|
|
// L.3 recalculate hidden for redirects.
|
|
{
|
|
query: `UPDATE moz_places
|
|
SET hidden = 1
|
|
WHERE id IN (
|
|
SELECT h.id FROM moz_places h
|
|
JOIN moz_historyvisits src ON src.place_id = h.id
|
|
JOIN moz_historyvisits dst ON dst.from_visit = src.id AND dst.visit_type IN (5,6)
|
|
LEFT JOIN moz_bookmarks on fk = h.id AND fk ISNULL
|
|
GROUP BY src.place_id HAVING count(*) = visit_count
|
|
)`,
|
|
},
|
|
|
|
// L.4 recalculate foreign_count.
|
|
{
|
|
query: `UPDATE moz_places SET foreign_count =
|
|
(SELECT count(*) FROM moz_bookmarks WHERE fk = moz_places.id ) +
|
|
(SELECT count(*) FROM moz_keywords WHERE place_id = moz_places.id )`,
|
|
},
|
|
|
|
// L.5 recalculate missing hashes.
|
|
{
|
|
query: `UPDATE moz_places SET url_hash = hash(url) WHERE url_hash = 0`,
|
|
},
|
|
|
|
// L.6 fix invalid Place GUIDs.
|
|
{
|
|
query: `UPDATE moz_places
|
|
SET guid = GENERATE_GUID()
|
|
WHERE guid IS NULL OR
|
|
NOT IS_VALID_GUID(guid)`,
|
|
},
|
|
|
|
// MOZ_BOOKMARKS
|
|
// S.1 fix invalid GUIDs for synced bookmarks.
|
|
// This requires multiple related statements.
|
|
// First, we insert tombstones for all synced bookmarks with invalid
|
|
// GUIDs, so that we can delete them on the server. Second, we add a
|
|
// temporary trigger to bump the change counter for the parents of any
|
|
// items we update, since Sync stores the list of child GUIDs on the
|
|
// parent. Finally, we assign new GUIDs for all items with missing and
|
|
// invalid GUIDs, bump their change counters, and reset their sync
|
|
// statuses to NEW so that they're considered for deduping.
|
|
{
|
|
query: `INSERT OR IGNORE INTO moz_bookmarks_deleted(guid, dateRemoved)
|
|
SELECT guid, :dateRemoved
|
|
FROM moz_bookmarks
|
|
WHERE syncStatus <> :syncStatus AND
|
|
guid NOT NULL AND
|
|
NOT IS_VALID_GUID(guid)`,
|
|
params: {
|
|
dateRemoved: PlacesUtils.toPRTime(new Date()),
|
|
syncStatus: PlacesUtils.bookmarks.SYNC_STATUS.NEW,
|
|
},
|
|
},
|
|
{
|
|
query: `UPDATE moz_bookmarks
|
|
SET guid = GENERATE_GUID(),
|
|
syncStatus = :syncStatus
|
|
WHERE guid IS NULL OR
|
|
NOT IS_VALID_GUID(guid)`,
|
|
params: {
|
|
syncStatus: PlacesUtils.bookmarks.SYNC_STATUS.NEW,
|
|
},
|
|
},
|
|
|
|
// S.2 drop tombstones for bookmarks that aren't deleted.
|
|
{
|
|
query: `DELETE FROM moz_bookmarks_deleted
|
|
WHERE guid IN (SELECT guid FROM moz_bookmarks)`,
|
|
},
|
|
|
|
// S.3 set missing added and last modified dates.
|
|
{
|
|
query: `UPDATE moz_bookmarks
|
|
SET dateAdded = COALESCE(NULLIF(dateAdded, 0), NULLIF(lastModified, 0), NULLIF((
|
|
SELECT MIN(visit_date) FROM moz_historyvisits
|
|
WHERE place_id = fk
|
|
), 0), STRFTIME('%s', 'now', 'localtime', 'utc') * 1000000),
|
|
lastModified = COALESCE(NULLIF(lastModified, 0), NULLIF(dateAdded, 0), NULLIF((
|
|
SELECT MAX(visit_date) FROM moz_historyvisits
|
|
WHERE place_id = fk
|
|
), 0), STRFTIME('%s', 'now', 'localtime', 'utc') * 1000000)
|
|
WHERE NULLIF(dateAdded, 0) IS NULL OR
|
|
NULLIF(lastModified, 0) IS NULL`,
|
|
},
|
|
|
|
// S.4 reset added dates that are ahead of last modified dates.
|
|
{
|
|
query: `UPDATE moz_bookmarks
|
|
SET dateAdded = lastModified
|
|
WHERE dateAdded > lastModified`,
|
|
},
|
|
];
|
|
|
|
// Create triggers for updating Sync metadata. The "sync change" trigger
|
|
// bumps the parent's change counter when we update a GUID or move an item
|
|
// to a different folder, since Sync stores the list of child GUIDs on the
|
|
// parent. The "sync tombstone" trigger inserts tombstones for deleted
|
|
// synced bookmarks.
|
|
cleanupStatements.unshift({
|
|
query: `CREATE TEMP TRIGGER IF NOT EXISTS moz_bm_sync_change_temp_trigger
|
|
AFTER UPDATE of guid, parent, position ON moz_bookmarks
|
|
FOR EACH ROW
|
|
BEGIN
|
|
UPDATE moz_bookmarks
|
|
SET syncChangeCounter = syncChangeCounter + 1
|
|
WHERE id IN (OLD.parent, NEW.parent, NEW.id);
|
|
END`,
|
|
});
|
|
cleanupStatements.unshift({
|
|
query: `CREATE TEMP TRIGGER IF NOT EXISTS moz_bm_sync_tombstone_temp_trigger
|
|
AFTER DELETE ON moz_bookmarks
|
|
FOR EACH ROW WHEN OLD.guid NOT NULL AND
|
|
OLD.syncStatus <> 1
|
|
BEGIN
|
|
UPDATE moz_bookmarks
|
|
SET syncChangeCounter = syncChangeCounter + 1
|
|
WHERE id = OLD.parent;
|
|
|
|
INSERT INTO moz_bookmarks_deleted(guid, dateRemoved)
|
|
VALUES(OLD.guid, STRFTIME('%s', 'now', 'localtime', 'utc') * 1000000);
|
|
END`,
|
|
});
|
|
cleanupStatements.push({
|
|
query: `DROP TRIGGER moz_bm_sync_change_temp_trigger`,
|
|
});
|
|
cleanupStatements.push({
|
|
query: `DROP TRIGGER moz_bm_sync_tombstone_temp_trigger`,
|
|
});
|
|
|
|
return cleanupStatements;
|
|
},
|
|
|
|
/**
|
|
* Tries to vacuum the database.
|
|
*
|
|
* Note: although this function isn't actually async, we keep it async to
|
|
* allow us to maintain a simple, consistent API for the tasks within this object.
|
|
*
|
|
* @return {Promise} resolves when database is vacuumed.
|
|
* @resolves to an array of logs for this task.
|
|
* @rejects if we are unable to vacuum database.
|
|
*/
|
|
async vacuum() {
|
|
let logs = [];
|
|
let placesDbPath = OS.Path.join(
|
|
OS.Constants.Path.profileDir,
|
|
"places.sqlite"
|
|
);
|
|
let info = await OS.File.stat(placesDbPath);
|
|
logs.push(`Initial database size is ${parseInt(info.size / 1024)}KiB`);
|
|
return PlacesUtils.withConnectionWrapper(
|
|
"PlacesDBUtils: vacuum",
|
|
async db => {
|
|
await db.execute("VACUUM");
|
|
logs.push("The database has been vacuumed");
|
|
info = await OS.File.stat(placesDbPath);
|
|
logs.push(`Final database size is ${parseInt(info.size / 1024)}KiB`);
|
|
return logs;
|
|
}
|
|
).catch(() => {
|
|
PlacesDBUtils.clearPendingTasks();
|
|
throw new Error("Unable to vacuum database");
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Forces a full expiration on the database.
|
|
*
|
|
* Note: although this function isn't actually async, we keep it async to
|
|
* allow us to maintain a simple, consistent API for the tasks within this object.
|
|
*
|
|
* @return {Promise} resolves when the database in cleaned up.
|
|
* @resolves to an array of logs for this task.
|
|
*/
|
|
async expire() {
|
|
let logs = [];
|
|
|
|
let expiration = Cc["@mozilla.org/places/expiration;1"].getService(
|
|
Ci.nsIObserver
|
|
);
|
|
|
|
let returnPromise = new Promise(res => {
|
|
let observer = (subject, topic, data) => {
|
|
Services.obs.removeObserver(observer, topic);
|
|
logs.push("Database cleaned up");
|
|
res(logs);
|
|
};
|
|
Services.obs.addObserver(observer, PlacesUtils.TOPIC_EXPIRATION_FINISHED);
|
|
});
|
|
|
|
// Force an orphans expiration step.
|
|
expiration.observe(null, "places-debug-start-expiration", 0);
|
|
return returnPromise;
|
|
},
|
|
|
|
/**
|
|
* Collects statistical data on the database.
|
|
*
|
|
* @return {Promise} resolves when statistics are collected.
|
|
* @resolves to an array of logs for this task.
|
|
* @rejects if we are unable to collect stats for some reason.
|
|
*/
|
|
async stats() {
|
|
let logs = [];
|
|
let placesDbPath = OS.Path.join(
|
|
OS.Constants.Path.profileDir,
|
|
"places.sqlite"
|
|
);
|
|
let info = await OS.File.stat(placesDbPath);
|
|
logs.push(`Places.sqlite size is ${parseInt(info.size / 1024)}KiB`);
|
|
let faviconsDbPath = OS.Path.join(
|
|
OS.Constants.Path.profileDir,
|
|
"favicons.sqlite"
|
|
);
|
|
info = await OS.File.stat(faviconsDbPath);
|
|
logs.push(`Favicons.sqlite size is ${parseInt(info.size / 1024)}KiB`);
|
|
|
|
// Execute each step async.
|
|
let pragmas = [
|
|
"user_version",
|
|
"page_size",
|
|
"cache_size",
|
|
"journal_mode",
|
|
"synchronous",
|
|
].map(p => `pragma_${p}`);
|
|
let pragmaQuery = `SELECT * FROM ${pragmas.join(", ")}`;
|
|
await PlacesUtils.withConnectionWrapper(
|
|
"PlacesDBUtils: pragma for stats",
|
|
async db => {
|
|
let row = (await db.execute(pragmaQuery))[0];
|
|
for (let i = 0; i != pragmas.length; i++) {
|
|
logs.push(`${pragmas[i]} is ${row.getResultByIndex(i)}`);
|
|
}
|
|
}
|
|
).catch(() => {
|
|
logs.push("Could not set pragma for stat collection");
|
|
});
|
|
|
|
// Get maximum number of unique URIs.
|
|
try {
|
|
let limitURIs = Services.prefs.getIntPref(
|
|
"places.history.expiration.transient_current_max_pages"
|
|
);
|
|
logs.push(
|
|
"History can store a maximum of " + limitURIs + " unique pages"
|
|
);
|
|
} catch (ex) {}
|
|
|
|
let query = "SELECT name FROM sqlite_master WHERE type = :type";
|
|
let params = {};
|
|
let _getTableCount = async tableName => {
|
|
let db = await PlacesUtils.promiseDBConnection();
|
|
let rows = await db.execute(`SELECT count(*) FROM ${tableName}`);
|
|
logs.push(
|
|
`Table ${tableName} has ${rows[0].getResultByIndex(0)} records`
|
|
);
|
|
};
|
|
|
|
try {
|
|
params.type = "table";
|
|
let db = await PlacesUtils.promiseDBConnection();
|
|
await db.execute(query, params, r =>
|
|
_getTableCount(r.getResultByIndex(0))
|
|
);
|
|
|
|
params.type = "index";
|
|
await db.execute(query, params, r => {
|
|
logs.push(`Index ${r.getResultByIndex(0)}`);
|
|
});
|
|
|
|
params.type = "trigger";
|
|
await db.execute(query, params, r => {
|
|
logs.push(`Trigger ${r.getResultByIndex(0)}`);
|
|
});
|
|
} catch (ex) {
|
|
throw new Error("Unable to collect stats.");
|
|
}
|
|
|
|
return logs;
|
|
},
|
|
|
|
/**
|
|
* Recalculates statistical data on the origin frecencies in the database.
|
|
*
|
|
* @return {Promise} resolves when statistics are collected.
|
|
*/
|
|
originFrecencyStats() {
|
|
return new Promise(resolve => {
|
|
PlacesUtils.history.recalculateOriginFrecencyStats(() =>
|
|
resolve(["Recalculated origin frecency stats"])
|
|
);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Collects telemetry data and reports it to Telemetry.
|
|
*
|
|
* Note: although this function isn't actually async, we keep it async to
|
|
* allow us to maintain a simple, consistent API for the tasks within this object.
|
|
*
|
|
*/
|
|
async telemetry() {
|
|
// This will be populated with one integer property for each probe result,
|
|
// using the histogram name as key.
|
|
let probeValues = {};
|
|
|
|
// The following array contains an ordered list of entries that are
|
|
// processed to collect telemetry data. Each entry has these properties:
|
|
//
|
|
// histogram: Name of the telemetry histogram to update.
|
|
// query: This is optional. If present, contains a database command
|
|
// that will be executed asynchronously, and whose result will
|
|
// be added to the telemetry histogram.
|
|
// callback: This is optional. If present, contains a function that must
|
|
// return the value that will be added to the telemetry
|
|
// histogram. If a query is also present, its result is passed
|
|
// as the first argument of the function. If the function
|
|
// raises an exception, no data is added to the histogram.
|
|
//
|
|
// Since all queries are executed in order by the database backend, the
|
|
// callbacks can also use the result of previous queries stored in the
|
|
// probeValues object.
|
|
let probes = [
|
|
{
|
|
histogram: "PLACES_PAGES_COUNT",
|
|
query: "SELECT count(*) FROM moz_places",
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_BOOKMARKS_COUNT",
|
|
query: `SELECT count(*) FROM moz_bookmarks b
|
|
JOIN moz_bookmarks t ON t.id = b.parent
|
|
AND t.parent <> :tags_folder
|
|
WHERE b.type = :type_bookmark`,
|
|
params: {
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
type_bookmark: PlacesUtils.bookmarks.TYPE_BOOKMARK,
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_TAGS_COUNT",
|
|
query: `SELECT count(*) FROM moz_bookmarks
|
|
WHERE parent = :tags_folder`,
|
|
params: {
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_KEYWORDS_COUNT",
|
|
query: "SELECT count(*) FROM moz_keywords",
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_SORTED_BOOKMARKS_PERC",
|
|
query: `SELECT IFNULL(ROUND((
|
|
SELECT count(*) FROM moz_bookmarks b
|
|
JOIN moz_bookmarks t ON t.id = b.parent
|
|
AND t.parent <> :tags_folder AND t.parent > :places_root
|
|
WHERE b.type = :type_bookmark
|
|
) * 100 / (
|
|
SELECT count(*) FROM moz_bookmarks b
|
|
JOIN moz_bookmarks t ON t.id = b.parent
|
|
AND t.parent <> :tags_folder
|
|
WHERE b.type = :type_bookmark
|
|
)), 0)`,
|
|
params: {
|
|
places_root: PlacesUtils.placesRootId,
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
type_bookmark: PlacesUtils.bookmarks.TYPE_BOOKMARK,
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_TAGGED_BOOKMARKS_PERC",
|
|
query: `SELECT IFNULL(ROUND((
|
|
SELECT count(*) FROM moz_bookmarks b
|
|
JOIN moz_bookmarks t ON t.id = b.parent
|
|
AND t.parent = :tags_folder
|
|
) * 100 / (
|
|
SELECT count(*) FROM moz_bookmarks b
|
|
JOIN moz_bookmarks t ON t.id = b.parent
|
|
AND t.parent <> :tags_folder
|
|
WHERE b.type = :type_bookmark
|
|
)), 0)`,
|
|
params: {
|
|
tags_folder: PlacesUtils.tagsFolderId,
|
|
type_bookmark: PlacesUtils.bookmarks.TYPE_BOOKMARK,
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_DATABASE_FILESIZE_MB",
|
|
async callback() {
|
|
let placesDbPath = OS.Path.join(
|
|
OS.Constants.Path.profileDir,
|
|
"places.sqlite"
|
|
);
|
|
let info = await OS.File.stat(placesDbPath);
|
|
return parseInt(info.size / BYTES_PER_MEBIBYTE);
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_DATABASE_PAGESIZE_B",
|
|
query: "PRAGMA page_size /* PlacesDBUtils.jsm PAGESIZE_B */",
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_DATABASE_SIZE_PER_PAGE_B",
|
|
query: "PRAGMA page_count",
|
|
callback(aDbPageCount) {
|
|
// Note that the database file size would not be meaningful for this
|
|
// calculation, because the file grows in fixed-size chunks.
|
|
let dbPageSize = probeValues.PLACES_DATABASE_PAGESIZE_B;
|
|
let placesPageCount = probeValues.PLACES_PAGES_COUNT;
|
|
return Math.round((dbPageSize * aDbPageCount) / placesPageCount);
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_DATABASE_FAVICONS_FILESIZE_MB",
|
|
async callback() {
|
|
let faviconsDbPath = OS.Path.join(
|
|
OS.Constants.Path.profileDir,
|
|
"favicons.sqlite"
|
|
);
|
|
let info = await OS.File.stat(faviconsDbPath);
|
|
return parseInt(info.size / BYTES_PER_MEBIBYTE);
|
|
},
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_ANNOS_BOOKMARKS_COUNT",
|
|
query: "SELECT count(*) FROM moz_items_annos",
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_ANNOS_PAGES_COUNT",
|
|
query: "SELECT count(*) FROM moz_annos",
|
|
},
|
|
|
|
{
|
|
histogram: "PLACES_MAINTENANCE_DAYSFROMLAST",
|
|
callback() {
|
|
try {
|
|
let lastMaintenance = Services.prefs.getIntPref(
|
|
"places.database.lastMaintenance"
|
|
);
|
|
let nowSeconds = parseInt(Date.now() / 1000);
|
|
return parseInt((nowSeconds - lastMaintenance) / 86400);
|
|
} catch (ex) {
|
|
return 60;
|
|
}
|
|
},
|
|
},
|
|
];
|
|
|
|
for (let probe of probes) {
|
|
let val;
|
|
if ("query" in probe) {
|
|
let db = await PlacesUtils.promiseDBConnection();
|
|
val = (await db.execute(
|
|
probe.query,
|
|
probe.params || {}
|
|
))[0].getResultByIndex(0);
|
|
}
|
|
// Report the result of the probe through Telemetry.
|
|
// The resulting promise cannot reject.
|
|
if ("callback" in probe) {
|
|
val = await probe.callback(val);
|
|
}
|
|
probeValues[probe.histogram] = val;
|
|
Services.telemetry.getHistogramById(probe.histogram).add(val);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Runs a list of tasks, returning a Map when done.
|
|
*
|
|
* @param tasks
|
|
* Array of tasks to be executed, in form of pointers to methods in
|
|
* this module.
|
|
* @return {Promise}
|
|
* A promise that resolves with a Map[taskName(String) -> Object].
|
|
* The Object has the following properties:
|
|
* - succeeded: boolean
|
|
* - logs: an array of strings containing the messages logged by the task
|
|
*/
|
|
async runTasks(tasks) {
|
|
PlacesDBUtils._clearTaskQueue = false;
|
|
let tasksMap = new Map();
|
|
for (let task of tasks) {
|
|
if (PlacesDBUtils._isShuttingDown) {
|
|
tasksMap.set(task.name, {
|
|
succeeded: false,
|
|
logs: ["Shutting down, will not schedule the task."],
|
|
});
|
|
continue;
|
|
}
|
|
|
|
if (PlacesDBUtils._clearTaskQueue) {
|
|
tasksMap.set(task.name, {
|
|
succeeded: false,
|
|
logs: ["The task queue was cleared by an error in another task."],
|
|
});
|
|
continue;
|
|
}
|
|
|
|
let result = await task()
|
|
.then((logs = [`${task.name} complete`]) => ({ succeeded: true, logs }))
|
|
.catch(err => ({ succeeded: false, logs: [err.message] }));
|
|
tasksMap.set(task.name, result);
|
|
}
|
|
return tasksMap;
|
|
},
|
|
};
|
|
|
|
async function integrity(dbName) {
|
|
async function check(db) {
|
|
let row;
|
|
await db.execute("PRAGMA integrity_check", null, (r, cancel) => {
|
|
row = r;
|
|
cancel();
|
|
});
|
|
return row.getResultByIndex(0) === "ok";
|
|
}
|
|
|
|
// Create a new connection for this check, so we can operate independently
|
|
// from a broken Places service.
|
|
// openConnection returns an exception with .result == Cr.NS_ERROR_FILE_CORRUPTED,
|
|
// we should do the same everywhere we want maintenance to try replacing the
|
|
// database on next startup.
|
|
let path = OS.Path.join(OS.Constants.Path.profileDir, dbName);
|
|
let db = await Sqlite.openConnection({ path });
|
|
try {
|
|
if (await check(db)) {
|
|
return;
|
|
}
|
|
|
|
// We stopped due to an integrity corruption, try to fix it if possible.
|
|
// First, try to reindex, this often fixes simple indices problems.
|
|
try {
|
|
await db.execute("REINDEX");
|
|
} catch (ex) {
|
|
throw new Components.Exception(
|
|
"Impossible to reindex database",
|
|
Cr.NS_ERROR_FILE_CORRUPTED
|
|
);
|
|
}
|
|
|
|
// Check again.
|
|
if (!(await check(db))) {
|
|
throw new Components.Exception(
|
|
"The database is still corrupt",
|
|
Cr.NS_ERROR_FILE_CORRUPTED
|
|
);
|
|
}
|
|
} finally {
|
|
await db.close();
|
|
}
|
|
}
|