* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
+ * @file
* @ingroup Maintenance
*/
-require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+require_once __DIR__ . '/Maintenance.php';
+/**
+ * Maintenance script to populate the img_sha1 field.
+ *
+ * @ingroup Maintenance
+ */
class PopulateImageSha1 extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Populate the img_sha1 field";
$this->addOption( 'force', "Recalculate sha1 for rows that already have a value" );
+ $this->addOption( 'multiversiononly', "Calculate only for files with several versions" );
$this->addOption( 'method', "Use 'pipe' to pipe to mysql command line,\n" .
"\t\tdefault uses Database class", false, true );
- $this->addOption( 'file', 'Fix for a specific file, without File: namespace prefixed', false, true );
+ $this->addOption(
+ 'file',
+ 'Fix for a specific file, without File: namespace prefixed',
+ false,
+ true
+ );
}
protected function getUpdateKey() {
}
public function execute() {
- if ( $this->getOption( 'file' ) ) {
+ if ( $this->getOption( 'file' ) || $this->hasOption( 'multiversiononly' ) ) {
$this->doDBUpdates(); // skip update log checks/saves
} else {
parent::execute();
public function doDBUpdates() {
$method = $this->getOption( 'method', 'normal' );
- $file = $this->getOption( 'file' );
+ $file = $this->getOption( 'file', '' );
$force = $this->getOption( 'force' );
+ $isRegen = ( $force || $file != '' ); // forced recalculation?
$t = -microtime( true );
$dbw = wfGetDB( DB_MASTER );
- if ( $file ) {
+ if ( $file != '' ) {
$res = $dbw->select(
'image',
array( 'img_name' ),
);
if ( !$res ) {
$this->error( "No such file: $file", true );
+
return false;
}
$this->output( "Populating img_sha1 field for specified files\n" );
} else {
- if ( $force ) {
+ if ( $this->hasOption( 'multiversiononly' ) ) {
+ $conds = array();
+ $this->output( "Populating and recalculating img_sha1 field for versioned files\n" );
+ } elseif ( $force ) {
$conds = array();
$this->output( "Populating and recalculating img_sha1 field\n" );
} else {
$conds = array( 'img_sha1' => '' );
$this->output( "Populating img_sha1 field\n" );
}
- $res = $dbw->select( 'image', array( 'img_name' ), $conds, __METHOD__ );
+ if ( $this->hasOption( 'multiversiononly' ) ) {
+ $res = $dbw->select( 'oldimage',
+ array( 'img_name' => 'DISTINCT(oi_name)' ), $conds, __METHOD__ );
+ } else {
+ $res = $dbw->select( 'image', array( 'img_name' ), $conds, __METHOD__ );
+ }
}
$imageTable = $dbw->tableName( 'image' );
$oldImageTable = $dbw->tableName( 'oldimage' );
if ( $method == 'pipe' ) {
- // Opening a pipe allows the SHA-1 operation to be done in parallel
+ // Opening a pipe allows the SHA-1 operation to be done in parallel
// with the database write operation, because the writes are queued
- // in the pipe buffer. This can improve performance by up to a
- // factor of 2.
+ // in the pipe buffer. This can improve performance by up to a
+ // factor of 2.
global $wgDBuser, $wgDBserver, $wgDBpassword, $wgDBname;
$cmd = 'mysql -u' . wfEscapeShellArg( $wgDBuser ) .
' -h' . wfEscapeShellArg( $wgDBserver ) .
"Done %d of %d, %5.3f%% \r", $i, $numRows, $i / $numRows * 100 ) );
wfWaitForSlaves();
}
+
$file = wfLocalFile( $row->img_name );
if ( !$file ) {
continue;
}
+
// Upgrade the current file version...
$sha1 = $file->getRepo()->getFileSha1( $file->getPath() );
if ( strval( $sha1 ) !== '' ) { // file on disk and hashed properly
- $sql = "UPDATE $imageTable SET img_sha1=" . $dbw->addQuotes( $sha1 ) .
- " WHERE img_name=" . $dbw->addQuotes( $file->getName() );
- if ( $method == 'pipe' ) {
- fwrite( $pipe, "$sql;\n" );
+ if ( $isRegen && $file->getSha1() !== $sha1 ) {
+ // The population was probably done already. If the old SHA1
+ // does not match, then both fix the SHA1 and the metadata.
+ $file->upgradeRow();
} else {
- $dbw->query( $sql, __METHOD__ );
+ $sql = "UPDATE $imageTable SET img_sha1=" . $dbw->addQuotes( $sha1 ) .
+ " WHERE img_name=" . $dbw->addQuotes( $file->getName() );
+ if ( $method == 'pipe' ) {
+ fwrite( $pipe, "$sql;\n" );
+ } else {
+ $dbw->query( $sql, __METHOD__ );
+ }
}
}
// Upgrade the old file versions...
foreach ( $file->getHistory() as $oldFile ) {
$sha1 = $oldFile->getRepo()->getFileSha1( $oldFile->getPath() );
if ( strval( $sha1 ) !== '' ) { // file on disk and hashed properly
- $sql = "UPDATE $oldImageTable SET oi_sha1=" . $dbw->addQuotes( $sha1 ) .
- " WHERE (oi_name=" . $dbw->addQuotes( $oldFile->getName() ) . " AND" .
- " oi_archive_name=" . $dbw->addQuotes( $oldFile->getArchiveName() ) . ")";
- if ( $method == 'pipe' ) {
- fwrite( $pipe, "$sql;\n" );
+ if ( $isRegen && $oldFile->getSha1() !== $sha1 ) {
+ // The population was probably done already. If the old SHA1
+ // does not match, then both fix the SHA1 and the metadata.
+ $oldFile->upgradeRow();
} else {
- $dbw->query( $sql, __METHOD__ );
+ $sql = "UPDATE $oldImageTable SET oi_sha1=" . $dbw->addQuotes( $sha1 ) .
+ " WHERE (oi_name=" . $dbw->addQuotes( $oldFile->getName() ) . " AND" .
+ " oi_archive_name=" . $dbw->addQuotes( $oldFile->getArchiveName() ) . ")";
+ if ( $method == 'pipe' ) {
+ fwrite( $pipe, "$sql;\n" );
+ } else {
+ $dbw->query( $sql, __METHOD__ );
+ }
}
}
}
}
$maintClass = "PopulateImageSha1";
-require_once( RUN_MAINTENANCE_IF_MAIN );
+require_once RUN_MAINTENANCE_IF_MAIN;
dépôts / lhc / web / wiklou.git / blobdiff