gecko/toolkit/components/places/PlacesDBUtils.jsm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 sts=2 expandtab filetype=javascript
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Places Database Utils code.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Marco Bonardo <mak77@bonardo.net> (Original Author)
* Richard Newman <rnewman@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/PlacesUtils.jsm");
let EXPORTED_SYMBOLS = [ "PlacesDBUtils" ];
////////////////////////////////////////////////////////////////////////////////
//// Constants
const FINISHED_MAINTENANCE_TOPIC = "places-maintenance-finished";
const BYTES_PER_MEBIBYTE = 1048576;
////////////////////////////////////////////////////////////////////////////////
//// Smart getters
XPCOMUtils.defineLazyGetter(this, "DBConn", function() {
return PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase).DBConnection;
});
////////////////////////////////////////////////////////////////////////////////
//// PlacesDBUtils
let PlacesDBUtils = {
/**
* Executes a list of maintenance tasks.
* Once finished it will pass a array log to the callback attached to tasks,
* or print out to the error console if no callback is defined.
* FINISHED_MAINTENANCE_TOPIC is notified through observer service on finish.
*
* @param aTasks
* Tasks object to execute.
*/
_executeTasks: function PDBU__executeTasks(aTasks)
{
let task = aTasks.pop();
if (task) {
task.call(PlacesDBUtils, aTasks);
}
else {
if (aTasks.callback) {
let scope = aTasks.scope || Cu.getGlobalForObject(aTasks.callback);
aTasks.callback.call(scope, aTasks.messages);
}
else {
// Output to the error console.
let messages = aTasks.messages;
messages.unshift("[ Places Maintenance ]");
try {
Services.console.logStringMessage(messages.join("\n"));
} catch(ex) {}
}
// Notify observers that maintenance finished.
Services.prefs.setIntPref("places.database.lastMaintenance", parseInt(Date.now() / 1000));
Services.obs.notifyObservers(null, FINISHED_MAINTENANCE_TOPIC, null);
}
},
/**
* Executes integrity check and common maintenance tasks.
*
* @param [optional] aCallback
* Callback to be invoked when done. The callback will get a array
* of log messages.
* @param [optional] aScope
* Scope for the callback.
*/
maintenanceOnIdle: function PDBU_maintenanceOnIdle(aCallback, aScope)
{
let tasks = new Tasks([
this.checkIntegrity
, this.checkCoherence
, this._refreshUI
]);
tasks.callback = aCallback;
tasks.scope = aScope;
this._executeTasks(tasks);
},
/**
* Executes integrity check, common and advanced maintenance tasks (like
* expiration and vacuum). Will also collect statistics on the database.
*
* @param [optional] aCallback
* Callback to be invoked when done. The callback will get a array
* of log messages.
* @param [optional] aScope
* Scope for the callback.
*/
checkAndFixDatabase: function PDBU_checkAndFixDatabase(aCallback, aScope)
{
let tasks = new Tasks([
this.checkIntegrity
, this.checkCoherence
, this.expire
, this.vacuum
, this.stats
, this._refreshUI
]);
tasks.callback = aCallback;
tasks.scope = aScope;
this._executeTasks(tasks);
},
/**
* Forces a full refresh of Places views.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
_refreshUI: function PDBU__refreshUI(aTasks)
{
let tasks = new Tasks(aTasks);
// Send batch update notifications to update the UI.
PlacesUtils.history.runInBatchMode({
runBatched: function (aUserData) {}
}, null);
PlacesDBUtils._executeTasks(tasks);
},
_handleError: function PDBU__handleError(aError)
{
Cu.reportError("Async statement execution returned with '" +
aError.result + "', '" + aError.message + "'");
},
/**
* Tries to execute a REINDEX on the database.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
reindex: function PDBU_reindex(aTasks)
{
let tasks = new Tasks(aTasks);
tasks.log("> Reindex");
let stmt = DBConn.createAsyncStatement("REINDEX");
stmt.executeAsync({
handleError: PlacesDBUtils._handleError,
handleResult: function () {},
handleCompletion: function (aReason)
{
if (aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED) {
tasks.log("+ The database has been reindexed");
}
else {
tasks.log("- Unable to reindex database");
}
PlacesDBUtils._executeTasks(tasks);
}
});
stmt.finalize();
},
/**
* Checks integrity but does not try to fix the database through a reindex.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
_checkIntegritySkipReindex: function PDBU__checkIntegritySkipReindex(aTasks)
this.checkIntegrity(aTasks, true),
/**
* Checks integrity and tries to fix the database through a reindex.
*
* @param [optional] aTasks
* Tasks object to execute.
* @param [optional] aSkipdReindex
* Whether to try to reindex database or not.
*/
checkIntegrity: function PDBU_checkIntegrity(aTasks, aSkipReindex)
{
let tasks = new Tasks(aTasks);
tasks.log("> Integrity check");
// Run a integrity check, but stop at the first error.
let stmt = DBConn.createAsyncStatement("PRAGMA integrity_check(1)");
stmt.executeAsync({
handleError: PlacesDBUtils._handleError,
_corrupt: false,
handleResult: function (aResultSet)
{
let row = aResultSet.getNextRow();
this._corrupt = row.getResultByIndex(0) != "ok";
},
handleCompletion: function (aReason)
{
if (aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED) {
if (this._corrupt) {
tasks.log("- The database is corrupt");
if (aSkipReindex) {
tasks.log("- Unable to fix corruption, database will be replaced on next startup");
Services.prefs.setBoolPref("places.database.replaceOnStartup", true);
tasks.clear();
}
else {
// Try to reindex, this often fixed simple indices corruption.
// We insert from the top of the queue, they will run inverse.
tasks.push(PlacesDBUtils._checkIntegritySkipReindex);
tasks.push(PlacesDBUtils.reindex);
}
}
else {
tasks.log("+ The database is sane");
}
}
else {
tasks.log("- Unable to check database status");
tasks.clear();
}
PlacesDBUtils._executeTasks(tasks);
}
});
stmt.finalize();
},
/**
* Checks data coherence and tries to fix most common errors.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
checkCoherence: function PDBU_checkCoherence(aTasks)
{
let tasks = new Tasks(aTasks);
tasks.log("> Coherence check");
let stmts = this._getBoundCoherenceStatements();
DBConn.executeAsync(stmts, stmts.length, {
handleError: PlacesDBUtils._handleError,
handleResult: function () {},
handleCompletion: function (aReason)
{
if (aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED) {
tasks.log("+ The database is coherent");
}
else {
tasks.log("- Unable to check database coherence");
tasks.clear();
}
PlacesDBUtils._executeTasks(tasks);
}
});
stmts.forEach(function (aStmt) aStmt.finalize());
},
_getBoundCoherenceStatements: function PDBU__getBoundCoherenceStatements()
{
let cleanupStatements = [];
// MOZ_ANNO_ATTRIBUTES
// A.1 remove obsolete annotations from moz_annos.
// The 'weave0' idiom exploits character ordering (0 follows /) to
// efficiently select all annos with a 'weave/' prefix.
let deleteObsoleteAnnos = DBConn.createAsyncStatement(
"DELETE FROM moz_annos " +
"WHERE anno_attribute_id IN ( " +
" SELECT id FROM moz_anno_attributes " +
" WHERE name BETWEEN 'weave/' AND 'weave0' " +
")");
cleanupStatements.push(deleteObsoleteAnnos);
// A.2 remove obsolete annotations from moz_items_annos.
let deleteObsoleteItemsAnnos = DBConn.createAsyncStatement(
"DELETE FROM moz_items_annos " +
"WHERE anno_attribute_id IN ( " +
" SELECT id FROM moz_anno_attributes " +
" WHERE name = 'sync/children' " +
" OR name BETWEEN 'weave/' AND 'weave0' " +
")");
cleanupStatements.push(deleteObsoleteItemsAnnos);
// A.3 remove unused attributes.
let deleteUnusedAnnoAttributes = DBConn.createAsyncStatement(
"DELETE FROM moz_anno_attributes WHERE id IN ( " +
"SELECT id FROM moz_anno_attributes n " +
"WHERE NOT EXISTS " +
"(SELECT id FROM moz_annos WHERE anno_attribute_id = n.id LIMIT 1) " +
"AND NOT EXISTS " +
"(SELECT id FROM moz_items_annos WHERE anno_attribute_id = n.id LIMIT 1) " +
")");
cleanupStatements.push(deleteUnusedAnnoAttributes);
// MOZ_ANNOS
// B.1 remove annos with an invalid attribute
let deleteInvalidAttributeAnnos = DBConn.createAsyncStatement(
"DELETE FROM moz_annos WHERE id IN ( " +
"SELECT id FROM moz_annos a " +
"WHERE NOT EXISTS " +
"(SELECT id FROM moz_anno_attributes " +
"WHERE id = a.anno_attribute_id LIMIT 1) " +
")");
cleanupStatements.push(deleteInvalidAttributeAnnos);
// B.2 remove orphan annos
let deleteOrphanAnnos = DBConn.createAsyncStatement(
"DELETE FROM moz_annos WHERE id IN ( " +
"SELECT id FROM moz_annos a " +
"WHERE NOT EXISTS " +
"(SELECT id FROM moz_places WHERE id = a.place_id LIMIT 1) " +
")");
cleanupStatements.push(deleteOrphanAnnos);
// MOZ_BOOKMARKS_ROOTS
// C.1 fix missing Places root
// Bug 477739 shows a case where the root could be wrongly removed
// due to an endianness issue. We try to fix broken roots here.
let selectPlacesRoot = DBConn.createStatement(
"SELECT id FROM moz_bookmarks WHERE id = :places_root");
selectPlacesRoot.params["places_root"] = PlacesUtils.placesRootId;
if (!selectPlacesRoot.executeStep()) {
// We are missing the root, try to recreate it.
let createPlacesRoot = DBConn.createAsyncStatement(
"INSERT INTO moz_bookmarks (id, type, fk, parent, position, title, "
+ "guid) "
+ "VALUES (:places_root, 2, NULL, 0, 0, :title, GENERATE_GUID())");
createPlacesRoot.params["places_root"] = PlacesUtils.placesRootId;
createPlacesRoot.params["title"] = "";
cleanupStatements.push(createPlacesRoot);
// Now ensure that other roots are children of Places root.
let fixPlacesRootChildren = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET parent = :places_root WHERE id IN " +
"(SELECT folder_id FROM moz_bookmarks_roots " +
"WHERE folder_id <> :places_root)");
fixPlacesRootChildren.params["places_root"] = PlacesUtils.placesRootId;
cleanupStatements.push(fixPlacesRootChildren);
}
selectPlacesRoot.finalize();
// C.2 fix roots titles
// some alpha version has wrong roots title, and this also fixes them if
// locale has changed.
let updateRootTitleSql = "UPDATE moz_bookmarks SET title = :title " +
"WHERE id = :root_id AND title <> :title";
// root
let fixPlacesRootTitle = DBConn.createAsyncStatement(updateRootTitleSql);
fixPlacesRootTitle.params["root_id"] = PlacesUtils.placesRootId;
fixPlacesRootTitle.params["title"] = "";
cleanupStatements.push(fixPlacesRootTitle);
// bookmarks menu
let fixBookmarksMenuTitle = DBConn.createAsyncStatement(updateRootTitleSql);
fixBookmarksMenuTitle.params["root_id"] = PlacesUtils.bookmarksMenuFolderId;
fixBookmarksMenuTitle.params["title"] =
PlacesUtils.getString("BookmarksMenuFolderTitle");
cleanupStatements.push(fixBookmarksMenuTitle);
// bookmarks toolbar
let fixBookmarksToolbarTitle = DBConn.createAsyncStatement(updateRootTitleSql);
fixBookmarksToolbarTitle.params["root_id"] = PlacesUtils.toolbarFolderId;
fixBookmarksToolbarTitle.params["title"] =
PlacesUtils.getString("BookmarksToolbarFolderTitle");
cleanupStatements.push(fixBookmarksToolbarTitle);
// unsorted bookmarks
let fixUnsortedBookmarksTitle = DBConn.createAsyncStatement(updateRootTitleSql);
fixUnsortedBookmarksTitle.params["root_id"] = PlacesUtils.unfiledBookmarksFolderId;
fixUnsortedBookmarksTitle.params["title"] =
PlacesUtils.getString("UnsortedBookmarksFolderTitle");
cleanupStatements.push(fixUnsortedBookmarksTitle);
// tags
let fixTagsRootTitle = DBConn.createAsyncStatement(updateRootTitleSql);
fixTagsRootTitle.params["root_id"] = PlacesUtils.tagsFolderId;
fixTagsRootTitle.params["title"] =
PlacesUtils.getString("TagsFolderTitle");
cleanupStatements.push(fixTagsRootTitle);
// MOZ_BOOKMARKS
// D.1 remove items without a valid place
// if fk IS NULL we fix them in D.7
let deleteNoPlaceItems = DBConn.createAsyncStatement(
"DELETE FROM moz_bookmarks WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN (" +
"SELECT b.id FROM moz_bookmarks b " +
"WHERE fk NOT NULL AND b.type = :bookmark_type " +
"AND NOT EXISTS (SELECT url FROM moz_places WHERE id = b.fk LIMIT 1) " +
")");
deleteNoPlaceItems.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
cleanupStatements.push(deleteNoPlaceItems);
// D.2 remove items that are not uri bookmarks from tag containers
let deleteBogusTagChildren = DBConn.createAsyncStatement(
"DELETE FROM moz_bookmarks WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN (" +
"SELECT b.id FROM moz_bookmarks b " +
"WHERE b.parent IN " +
"(SELECT id FROM moz_bookmarks WHERE parent = :tags_folder) " +
"AND b.type <> :bookmark_type " +
")");
deleteBogusTagChildren.params["tags_folder"] = PlacesUtils.tagsFolderId;
deleteBogusTagChildren.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
cleanupStatements.push(deleteBogusTagChildren);
// D.3 remove empty tags
let deleteEmptyTags = DBConn.createAsyncStatement(
"DELETE FROM moz_bookmarks WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN (" +
"SELECT b.id FROM moz_bookmarks b " +
"WHERE b.id IN " +
"(SELECT id FROM moz_bookmarks WHERE parent = :tags_folder) " +
"AND NOT EXISTS " +
"(SELECT id from moz_bookmarks WHERE parent = b.id LIMIT 1) " +
")");
deleteEmptyTags.params["tags_folder"] = PlacesUtils.tagsFolderId;
cleanupStatements.push(deleteEmptyTags);
// D.4 move orphan items to unsorted folder
let fixOrphanItems = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET parent = :unsorted_folder WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN (" +
"SELECT b.id FROM moz_bookmarks b " +
"WHERE b.parent <> 0 " + // exclude Places root
"AND NOT EXISTS " +
"(SELECT id FROM moz_bookmarks WHERE id = b.parent LIMIT 1) " +
")");
fixOrphanItems.params["unsorted_folder"] = PlacesUtils.unfiledBookmarksFolderId;
cleanupStatements.push(fixOrphanItems);
// D.5 fix wrong keywords
let fixInvalidKeywords = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET keyword_id = NULL WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN ( " +
"SELECT id FROM moz_bookmarks b " +
"WHERE keyword_id NOT NULL " +
"AND NOT EXISTS " +
"(SELECT id FROM moz_keywords WHERE id = b.keyword_id LIMIT 1) " +
")");
cleanupStatements.push(fixInvalidKeywords);
// D.6 fix wrong item types
// Folders, separators and dynamic containers should not have an fk.
// If they have a valid fk convert them to bookmarks. Later in D.9 we
// will move eventual children to unsorted bookmarks.
let fixBookmarksAsFolders = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET type = :bookmark_type WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN ( " +
"SELECT id FROM moz_bookmarks b " +
"WHERE type IN (:folder_type, :separator_type, :dynamic_type) " +
"AND fk NOTNULL " +
")");
fixBookmarksAsFolders.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
fixBookmarksAsFolders.params["folder_type"] = PlacesUtils.bookmarks.TYPE_FOLDER;
fixBookmarksAsFolders.params["separator_type"] = PlacesUtils.bookmarks.TYPE_SEPARATOR;
fixBookmarksAsFolders.params["dynamic_type"] = PlacesUtils.bookmarks.TYPE_DYNAMIC_CONTAINER;
cleanupStatements.push(fixBookmarksAsFolders);
// D.7 fix wrong item types
// Bookmarks should have an fk, if they don't have any, convert them to
// folders.
let fixFoldersAsBookmarks = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET type = :folder_type WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN ( " +
"SELECT id FROM moz_bookmarks b " +
"WHERE type = :bookmark_type " +
"AND fk IS NULL " +
")");
fixFoldersAsBookmarks.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
fixFoldersAsBookmarks.params["folder_type"] = PlacesUtils.bookmarks.TYPE_FOLDER;
cleanupStatements.push(fixFoldersAsBookmarks);
// D.8 fix wrong item types
// Dynamic containers should have a folder_type, if they don't have any
// convert them to folders.
let fixFoldersAsDynamic = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET type = :folder_type WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // skip roots
") AND id IN ( " +
"SELECT id FROM moz_bookmarks b " +
"WHERE type = :dynamic_type " +
"AND folder_type IS NULL " +
")");
fixFoldersAsDynamic.params["dynamic_type"] = PlacesUtils.bookmarks.TYPE_DYNAMIC_CONTAINER;
fixFoldersAsDynamic.params["folder_type"] = PlacesUtils.bookmarks.TYPE_FOLDER;
cleanupStatements.push(fixFoldersAsDynamic);
// D.9 fix wrong parents
// Items cannot have dynamic containers, separators or other bookmarks
// as parent, if they have bad parent move them to unsorted bookmarks.
let fixInvalidParents = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET parent = :unsorted_folder WHERE id NOT IN ( " +
"SELECT folder_id FROM moz_bookmarks_roots " + // 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, :dynamic_type) " +
"LIMIT 1) " +
")");
fixInvalidParents.params["unsorted_folder"] = PlacesUtils.unfiledBookmarksFolderId;
fixInvalidParents.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
fixInvalidParents.params["separator_type"] = PlacesUtils.bookmarks.TYPE_SEPARATOR;
fixInvalidParents.params["dynamic_type"] = PlacesUtils.bookmarks.TYPE_DYNAMIC_CONTAINER;
cleanupStatements.push(fixInvalidParents);
// 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).
cleanupStatements.push(DBConn.createAsyncStatement(
"CREATE TEMP TABLE IF NOT EXISTS moz_bm_reindex_temp ( " +
" id INTEGER PRIMARY_KEY " +
", parent INTEGER " +
", position INTEGER " +
") "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"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 "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"CREATE INDEX IF NOT EXISTS moz_bm_reindex_temp_index " +
"ON moz_bm_reindex_temp(parent)"
));
cleanupStatements.push(DBConn.createAsyncStatement(
"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) " +
") "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"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 "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"DELETE FROM moz_bm_reindex_temp "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"DROP INDEX moz_bm_reindex_temp_index "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"DROP TRIGGER moz_bm_reindex_temp_trigger "
));
cleanupStatements.push(DBConn.createAsyncStatement(
"DROP TABLE moz_bm_reindex_temp "
));
// D.11 remove old livemarks status items
// Livemark status items are now static but some livemark has still old
// status items bookmarks inside it. We should remove them.
let removeLivemarkStaticItems = DBConn.createAsyncStatement(
"DELETE FROM moz_bookmarks WHERE type = :bookmark_type AND fk IN ( " +
"SELECT id FROM moz_places WHERE url = :lmloading OR url = :lmfailed " +
")");
removeLivemarkStaticItems.params["bookmark_type"] = PlacesUtils.bookmarks.TYPE_BOOKMARK;
removeLivemarkStaticItems.params["lmloading"] = "about:livemark-loading";
removeLivemarkStaticItems.params["lmfailed"] = "about:livemark-failed";
cleanupStatements.push(removeLivemarkStaticItems);
// D.12 Fix empty-named tags.
// Tags were allowed to have empty names due to a UI bug. Fix them
// replacing their title with "(notitle)".
let fixEmptyNamedTags = DBConn.createAsyncStatement(
"UPDATE moz_bookmarks SET title = :empty_title " +
"WHERE length(title) = 0 AND type = :folder_type " +
"AND parent = :tags_folder"
);
fixEmptyNamedTags.params["empty_title"] = "(notitle)";
fixEmptyNamedTags.params["folder_type"] = PlacesUtils.bookmarks.TYPE_FOLDER;
fixEmptyNamedTags.params["tags_folder"] = PlacesUtils.tagsFolderId;
cleanupStatements.push(fixEmptyNamedTags);
// MOZ_FAVICONS
// E.1 remove orphan icons
let deleteOrphanIcons = DBConn.createAsyncStatement(
"DELETE FROM moz_favicons WHERE id IN (" +
"SELECT id FROM moz_favicons f " +
"WHERE NOT EXISTS " +
"(SELECT id FROM moz_places WHERE favicon_id = f.id LIMIT 1) " +
")");
cleanupStatements.push(deleteOrphanIcons);
// MOZ_HISTORYVISITS
// F.1 remove orphan visits
let deleteOrphanVisits = DBConn.createAsyncStatement(
"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) " +
")");
cleanupStatements.push(deleteOrphanVisits);
// MOZ_INPUTHISTORY
// G.1 remove orphan input history
let deleteOrphanInputHistory = DBConn.createAsyncStatement(
"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) " +
")");
cleanupStatements.push(deleteOrphanInputHistory);
// MOZ_ITEMS_ANNOS
// H.1 remove item annos with an invalid attribute
let deleteInvalidAttributeItemsAnnos = DBConn.createAsyncStatement(
"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) " +
")");
cleanupStatements.push(deleteInvalidAttributeItemsAnnos);
// H.2 remove orphan item annos
let deleteOrphanItemsAnnos = DBConn.createAsyncStatement(
"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) " +
")");
cleanupStatements.push(deleteOrphanItemsAnnos);
// MOZ_KEYWORDS
// I.1 remove unused keywords
let deleteUnusedKeywords = DBConn.createAsyncStatement(
"DELETE FROM moz_keywords WHERE id IN ( " +
"SELECT id FROM moz_keywords k " +
"WHERE NOT EXISTS " +
"(SELECT id FROM moz_bookmarks WHERE keyword_id = k.id LIMIT 1) " +
")");
cleanupStatements.push(deleteUnusedKeywords);
// MOZ_PLACES
// L.1 fix wrong favicon ids
let fixInvalidFaviconIds = DBConn.createAsyncStatement(
"UPDATE moz_places SET favicon_id = NULL WHERE id IN ( " +
"SELECT id FROM moz_places h " +
"WHERE favicon_id NOT NULL " +
"AND NOT EXISTS " +
"(SELECT id FROM moz_favicons WHERE id = h.favicon_id LIMIT 1) " +
")");
cleanupStatements.push(fixInvalidFaviconIds);
// L.2 recalculate visit_count and last_visit_date
let fixVisitStats = DBConn.createAsyncStatement(
"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)), " +
"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)) " +
"OR last_visit_date <> (SELECT MAX(visit_date) FROM moz_historyvisits v " +
"WHERE v.place_id = h.id) " +
")");
cleanupStatements.push(fixVisitStats);
// MAINTENANCE STATEMENTS SHOULD GO ABOVE THIS POINT!
return cleanupStatements;
},
/**
* Tries to vacuum the database.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
vacuum: function PDBU_vacuum(aTasks)
{
let tasks = new Tasks(aTasks);
tasks.log("> Vacuum");
let DBFile = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
DBFile.append("places.sqlite");
tasks.log("Initial database size is " +
parseInt(DBFile.fileSize / 1024) + " KiB");
let stmt = DBConn.createAsyncStatement("VACUUM");
stmt.executeAsync({
handleError: PlacesDBUtils._handleError,
handleResult: function () {},
handleCompletion: function (aReason)
{
if (aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED) {
tasks.log("+ The database has been vacuumed");
let vacuumedDBFile = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
vacuumedDBFile.append("places.sqlite");
tasks.log("Final database size is " +
parseInt(vacuumedDBFile.fileSize / 1024) + " KiB");
}
else {
tasks.log("- Unable to vacuum database");
tasks.clear();
}
PlacesDBUtils._executeTasks(tasks);
}
});
stmt.finalize();
},
/**
* Forces a full expiration on the database.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
expire: function PDBU_expire(aTasks)
{
let tasks = new Tasks(aTasks);
tasks.log("> Orphans expiration");
let expiration = Cc["@mozilla.org/places/expiration;1"].
getService(Ci.nsIObserver);
Services.obs.addObserver(function (aSubject, aTopic, aData) {
Services.obs.removeObserver(arguments.callee, aTopic);
tasks.log("+ Database cleaned up");
PlacesDBUtils._executeTasks(tasks);
}, PlacesUtils.TOPIC_EXPIRATION_FINISHED, false);
// Force an orphans expiration step.
expiration.observe(null, "places-debug-start-expiration", 0);
},
/**
* Collects statistical data on the database.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
stats: function PDBU_stats(aTasks)
{
let tasks = new Tasks(aTasks);
tasks.log("> Statistics");
let DBFile = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
DBFile.append("places.sqlite");
tasks.log("Database size is " + parseInt(DBFile.fileSize / 1024) + " KiB");
[ "user_version"
, "page_size"
, "cache_size"
, "journal_mode"
, "synchronous"
].forEach(function (aPragma) {
let stmt = DBConn.createStatement("PRAGMA " + aPragma);
stmt.executeStep();
tasks.log(aPragma + " is " + stmt.getString(0));
stmt.finalize();
});
// Get maximum number of unique URIs.
try {
let limitURIs = Services.prefs.getIntPref(
"places.history.expiration.transient_current_max_pages");
tasks.log("History can store a maximum of " + limitURIs + " unique pages");
} catch(ex) {}
let stmt = DBConn.createStatement(
"SELECT name FROM sqlite_master WHERE type = :type");
stmt.params.type = "table";
while (stmt.executeStep()) {
let tableName = stmt.getString(0);
let countStmt = DBConn.createStatement(
"SELECT count(*) FROM " + tableName);
countStmt.executeStep();
tasks.log("Table " + tableName + " has " + countStmt.getInt32(0) + " records");
countStmt.finalize();
}
stmt.reset();
stmt.params.type = "index";
while (stmt.executeStep()) {
tasks.log("Index " + stmt.getString(0));
}
stmt.reset();
stmt.params.type = "trigger";
while (stmt.executeStep()) {
tasks.log("Trigger " + stmt.getString(0));
}
stmt.finalize();
PlacesDBUtils._executeTasks(tasks);
},
/**
* Collects telemetry data.
*
* @param [optional] aTasks
* Tasks object to execute.
*/
telemetry: function PDBU_telemetry(aTasks)
{
let tasks = new Tasks(aTasks);
// Hash of telemetry probes. Each one uses the historygram name as key,
// and may be either a database query or an helper function.
let probes = {
PLACES_PAGES_COUNT: "SELECT count(*) FROM moz_places",
PLACES_BOOKMARKS_COUNT: "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 ",
PLACES_TAGS_COUNT: "SELECT count(*) FROM moz_bookmarks "
+ "WHERE parent = :tags_folder ",
PLACES_FOLDERS_COUNT: "SELECT count(*) FROM moz_bookmarks "
+ "WHERE TYPE = :type_folder "
+ "AND parent NOT IN (0, :places_root, :tags_folder) ",
PLACES_KEYWORDS_COUNT: "SELECT count(*) FROM moz_keywords ",
PLACES_SORTED_BOOKMARKS_PERC: "SELECT 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 "
+ ")) ",
PLACES_TAGGED_BOOKMARKS_PERC: "SELECT 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 "
+ ")) ",
PLACES_DATABASE_FILESIZE_MB: function () {
let DBFile = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
DBFile.append("places.sqlite");
try {
return parseInt(DBFile.fileSize / BYTES_PER_MEBIBYTE);
} catch (ex) {
return 0;
}
},
PLACES_DATABASE_JOURNALSIZE_MB: function () {
let DBFile = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
DBFile.append("places.sqlite-wal");
try {
return parseInt(DBFile.fileSize / BYTES_PER_MEBIBYTE);
} catch (ex) {
return 0;
}
},
PLACES_DATABASE_PAGESIZE_B: "PRAGMA page_size",
PLACES_DATABASE_SIZE_PER_PAGE_B: function() {
// Cannot use the filesize here, due to chunked growth.
let stmt = DBConn.createStatement("PRAGMA page_size");
stmt.executeStep();
let pageSize = stmt.row.page_size;
stmt.finalize();
stmt = DBConn.createStatement("PRAGMA page_count");
stmt.executeStep();
let pageCount = stmt.row.page_count;
stmt.finalize();
stmt = DBConn.createStatement("SELECT count(*) AS c FROM moz_places");
stmt.executeStep();
let count = stmt.row.c;
stmt.finalize();
return Math.round((pageSize * pageCount) / count);
}
};
let params = {
tags_folder: PlacesUtils.tagsFolderId,
type_folder: PlacesUtils.bookmarks.TYPE_FOLDER,
type_bookmark: PlacesUtils.bookmarks.TYPE_BOOKMARK,
places_root: PlacesUtils.placesRootId
};
for (let probename in probes) {
let probe = probes[probename];
let histogram = Services.telemetry.getHistogramById(probename);
if (typeof probe == "string") {
// Run it as a query.
let stmt = DBConn.createAsyncStatement(probe);
for (param in params) {
if (probe.indexOf(":" + param) > 0) {
stmt.params[param] = params[param];
}
}
try {
stmt.executeAsync({
handleError: PlacesDBUtils._handleError,
handleResult: function (aResultSet) {
let row = aResultSet.getNextRow();
try {
histogram.add(row.getResultByIndex(0));
} catch (ex) {
Components.utils.reportError("Unable to report telemetry.");
}
},
handleCompletion: function () {}
});
}
finally{
stmt.finalize();
}
}
else {
// Execute it as a function.
try {
histogram.add(probe());
} catch (ex) {
Components.utils.reportError("Unable to report telemetry.");
}
}
}
PlacesDBUtils._executeTasks(tasks);
},
};
/**
* LIFO tasks stack.
*
* @param [optional] aTasks
* Array of tasks or another Tasks object to clone.
*/
function Tasks(aTasks)
{
if (aTasks) {
if (Array.isArray(aTasks)) {
this._list = aTasks.slice(0, aTasks.length);
}
else if ("list" in aTasks) {
this._list = aTasks.list;
this._log = aTasks.messages;
this.callback = aTasks.callback;
this.scope = aTasks.scope;
}
}
}
Tasks.prototype = {
_list: [],
_log: [],
callback: null,
scope: null,
/**
* Adds a task to the top of the list.
*
* @param aNewElt
* Task to be added.
*/
push: function T_push(aNewElt)
{
this._list.unshift(aNewElt);
},
/**
* Returns and consumes next task.
*
* @return next task or undefined if no task is left.
*/
pop: function T_pop() this._list.shift(),
/**
* Removes all tasks.
*/
clear: function T_clear()
{
this._list.length = 0;
},
/**
* Returns array of tasks ordered from the next to be run to the latest.
*/
get list() this._list.slice(0, this._list.length),
/**
* Adds a message to the log.
*
* @param aMsg
* String message to be added.
*/
log: function T_log(aMsg)
{
this._log.push(aMsg);
},
/**
* Returns array of log messages ordered from oldest to newest.
*/
get messages() this._log.slice(0, this._log.length),
}