From 222b01f5169f1c7e69762e0e8904c24f78f71882 Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Wed, 28 Jul 2010 11:52:48 +0200 Subject: update to MediaWiki 1.16.0 --- maintenance/fixTimestamps.php | 200 +++++++++++++++++++++++------------------- 1 file changed, 108 insertions(+), 92 deletions(-) (limited to 'maintenance/fixTimestamps.php') diff --git a/maintenance/fixTimestamps.php b/maintenance/fixTimestamps.php index f6794141..ea102fb8 100644 --- a/maintenance/fixTimestamps.php +++ b/maintenance/fixTimestamps.php @@ -6,101 +6,117 @@ * and must bracket the damage. There must be a majority of good timestamps in the * search period. * - * @file + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * * @ingroup Maintenance */ - -require_once( 'commandLine.inc' ); - -if ( count( $args ) < 3 ) { - echo "Usage: php fixTimestamps.php \n"; - exit(1); -} - -$offset = $args[0] * 3600; -$start = $args[1]; -$end = $args[2]; -$fname = 'fixTimestamps.php'; -$grace = 60; // maximum normal clock offset - -# Find bounding revision IDs -$dbw = wfGetDB( DB_MASTER ); -$revisionTable = $dbw->tableName( 'revision' ); -$res = $dbw->query( "SELECT MIN(rev_id) as minrev, MAX(rev_id) as maxrev FROM $revisionTable " . - "WHERE rev_timestamp BETWEEN '{$start}' AND '{$end}'", $fname ); -$row = $dbw->fetchObject( $res ); - -if ( is_null( $row->minrev ) ) { - echo "No revisions in search period.\n"; - exit(0); -} - -$minRev = $row->minrev; -$maxRev = $row->maxrev; - -# Select all timestamps and IDs -$sql = "SELECT rev_id, rev_timestamp FROM $revisionTable " . - "WHERE rev_id BETWEEN $minRev AND $maxRev"; -if ( $offset > 0 ) { - $sql .= " ORDER BY rev_id DESC"; - $expectedSign = -1; -} else { - $expectedSign = 1; -} - -$res = $dbw->query( $sql, $fname ); - -$lastNormal = 0; -$badRevs = array(); -$numGoodRevs = 0; - -while ( $row = $dbw->fetchObject( $res ) ) { - $timestamp = wfTimestamp( TS_UNIX, $row->rev_timestamp ); - $delta = $timestamp - $lastNormal; - $sign = $delta == 0 ? 0 : $delta / abs( $delta ); - if ( $sign == 0 || $sign == $expectedSign ) { - // Monotonic change - $lastNormal = $timestamp; - ++ $numGoodRevs; - continue; - } elseif ( abs( $delta ) <= $grace ) { - // Non-monotonic change within grace interval - ++ $numGoodRevs; - continue; - } else { - // Non-monotonic change larger than grace interval - $badRevs[] = $row->rev_id; + +require_once( dirname(__FILE__) . '/Maintenance.php' ); + +class FixTimestamps extends Maintenance { + public function __construct() { + parent::__construct(); + $this->mDescription = ""; + $this->addArg( 'offset', '' ); + $this->addArg( 'start', 'Starting timestamp' ); + $this->addArg( 'end', 'Ending timestamp' ); } -} -$dbw->freeResult( $res ); - -$numBadRevs = count( $badRevs ); -if ( $numBadRevs > $numGoodRevs ) { - echo -"The majority of revisions in the search interval are marked as bad. -Are you sure the offset ($offset) has the right sign? Positive means the clock -was incorrectly set forward, negative means the clock was incorrectly set back. - -If the offset is right, then increase the search interval until there are enough -good revisions to provide a majority reference. -"; - - exit(1); -} elseif ( $numBadRevs == 0 ) { - echo "No bad revisions found.\n"; - exit(0); + public function execute() { + $offset = $this->getArg(0) * 3600; + $start = $this->getArg(1); + $end = $this->getArg(2); + $grace = 60; // maximum normal clock offset + + # Find bounding revision IDs + $dbw = wfGetDB( DB_MASTER ); + $revisionTable = $dbw->tableName( 'revision' ); + $res = $dbw->query( "SELECT MIN(rev_id) as minrev, MAX(rev_id) as maxrev FROM $revisionTable " . + "WHERE rev_timestamp BETWEEN '{$start}' AND '{$end}'", __METHOD__ ); + $row = $dbw->fetchObject( $res ); + + if ( is_null( $row->minrev ) ) { + $this->error( "No revisions in search period.", true ); + } + + $minRev = $row->minrev; + $maxRev = $row->maxrev; + + # Select all timestamps and IDs + $sql = "SELECT rev_id, rev_timestamp FROM $revisionTable " . + "WHERE rev_id BETWEEN $minRev AND $maxRev"; + if ( $offset > 0 ) { + $sql .= " ORDER BY rev_id DESC"; + $expectedSign = -1; + } else { + $expectedSign = 1; + } + + $res = $dbw->query( $sql, __METHOD__ ); + + $lastNormal = 0; + $badRevs = array(); + $numGoodRevs = 0; + + foreach ( $res as $row ) { + $timestamp = wfTimestamp( TS_UNIX, $row->rev_timestamp ); + $delta = $timestamp - $lastNormal; + $sign = $delta == 0 ? 0 : $delta / abs( $delta ); + if ( $sign == 0 || $sign == $expectedSign ) { + // Monotonic change + $lastNormal = $timestamp; + ++ $numGoodRevs; + continue; + } elseif ( abs( $delta ) <= $grace ) { + // Non-monotonic change within grace interval + ++ $numGoodRevs; + continue; + } else { + // Non-monotonic change larger than grace interval + $badRevs[] = $row->rev_id; + } + } + $dbw->freeResult( $res ); + + $numBadRevs = count( $badRevs ); + if ( $numBadRevs > $numGoodRevs ) { + $this->error( + "The majority of revisions in the search interval are marked as bad. + + Are you sure the offset ($offset) has the right sign? Positive means the clock + was incorrectly set forward, negative means the clock was incorrectly set back. + + If the offset is right, then increase the search interval until there are enough + good revisions to provide a majority reference.", true ); + } elseif ( $numBadRevs == 0 ) { + $this->output( "No bad revisions found.\n" ); + exit(0); + } + + $this->output( sprintf( "Fixing %d revisions (%.2f%% of revisions in search interval)\n", + $numBadRevs, $numBadRevs / ($numGoodRevs + $numBadRevs) * 100 ) ); + + $fixup = -$offset; + $sql = "UPDATE $revisionTable " . + "SET rev_timestamp=DATE_FORMAT(DATE_ADD(rev_timestamp, INTERVAL $fixup SECOND), '%Y%m%d%H%i%s') " . + "WHERE rev_id IN (" . $dbw->makeList( $badRevs ) . ')'; + $dbw->query( $sql, __METHOD__ ); + $this->output( "Done\n" ); + } } -printf( "Fixing %d revisions (%.2f%% of revisions in search interval)\n", - $numBadRevs, $numBadRevs / ($numGoodRevs + $numBadRevs) * 100 ); - -$fixup = -$offset; -$sql = "UPDATE $revisionTable " . - "SET rev_timestamp=DATE_FORMAT(DATE_ADD(rev_timestamp, INTERVAL $fixup SECOND), '%Y%m%d%H%i%s') " . - "WHERE rev_id IN (" . $dbw->makeList( $badRevs ) . ')'; -//echo "$sql\n"; -$dbw->query( $sql, $fname ); -echo "Done\n"; - - +$maintClass = "FixTimestamps"; +require_once( DO_MAINTENANCE ); -- cgit v1.2.2