Maintenance script that populares archive.ar_rev_id in old rows. More...

Inheritance diagram for PopulateArchiveRevId:

[legend]

Collaboration diagram for PopulateArchiveRevId:

[legend]

Public Member Functions
	__construct ()
	Default constructor.

Public Member Functions inherited from LoggedUpdateMaintenance
	execute ()
	Do the actual work.

Public Member Functions inherited from Maintenance
function	__construct ()

	checkRequiredExtensions ()
	Verify that the required extensions are installed.

	cleanupChanneled ()
	Clean up channeled output.

	clearParamsAndArgs ()
	Clear all params and arguments.

function	execute ()

	finalSetup ()
	Handle some last-minute setup here.

	getConfig ()

	getDbType ()
	Does the script need different DB access? By default, we give Maintenance scripts normal rights to the DB.

	getName ()
	Get the script's name.

	globals ()
	Potentially debug globals.

	isQuiet ()

	loadParamsAndArgs ( $self=null, $opts=null, $args=null)
	Process command line arguments $mOptions becomes an array with keys set to the option names $mArgs becomes a zero-based array containing the non-option arguments.

	loadSettings ()
	Generic setup for most installs.

	loadWithArgv ( $argv)
	Load params and arguments from a given array of command-line arguments.

	memoryLimit ()
	Normally we disable the memory_limit when running admin scripts.

	outputChanneled ( $msg, $channel=null)
	Message outputter with channeled message support.

	purgeRedundantText ( $delete=true)
	Support function for cleaning up redundant text records.

	runChild ( $maintClass, $classFile=null)
	Run a child maintenance script.

	setAgentAndTriggers ()
	Set triggers like when to try to run deferred updates.

	setConfig (Config $config)

	setDB (IDatabase $db)
	Sets database object to be returned by getDB().

	setup ()
	Do some sanity checking and basic setup.

	updateSearchIndex ( $maxLockTime, $callback, $dbw, $results)
	Perform a search index update with locking.

	updateSearchIndexForPage ( $dbw, $pageId)
	Update the searchindex table for a given pageid.

	validateParamsAndArgs ()
	Run some validation checks on the params, etc.

Static Public Member Functions
static	checkMysqlAutoIncrementBug (IDatabase $dbw)
	Check for (and work around) a MySQL auto-increment bug.

static	isNewInstall (IDatabase $dbw)

static	reassignArRevIds (IDatabase $dbw, array $arIds, array $conds=[])
	Assign new ar_rev_ids to a set of ar_ids.

Static Public Member Functions inherited from Maintenance
static	getTermSize ()
	Get the terminal size as a two-element array where the first element is the width (number of columns) and the second element is the height (number of rows).

static	posix_isatty ( $fd)
	Wrapper for posix_isatty() We default as considering stdin a tty (for nice readline methods) but treating stout as not a tty to avoid color codes.

static	readconsole ( $prompt='> ')
	Prompt the console for input.

static	requireTestsAutoloader ()
	Call this to set up the autoloader to allow classes to be used from the tests directory.

static	setLBFactoryTriggers (LBFactory $LBFactory, Config $config)

static	shouldExecute ()
	Should we execute the maintenance script, or just allow it to be included as a standalone class? It checks that the call stack only includes this function and "requires" (meaning was called from the file scope)

Protected Member Functions
	doDBUpdates ()
	Do the actual work.

	getUpdateKey ()
	Get the update key name to go in the update log table.

Protected Member Functions inherited from LoggedUpdateMaintenance
	updateSkippedMessage ()
	Message to show that the update was done already and was just skipped.

Protected Member Functions inherited from Maintenance
	activateProfiler ()
	Activate the profiler (assuming $wgProfiler is set)

	addArg ( $arg, $description, $required=true)
	Add some args that are needed.

	addDefaultParams ()
	Add the default parameters to the scripts.

	addDescription ( $text)
	Set the description text.

	addOption ( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
	Add a parameter to the script.

	adjustMemoryLimit ()
	Adjusts PHP's memory limit to better suit our needs, if needed.

	afterFinalSetup ()
	Execute a callback function at the end of initialisation.

	beginTransaction (IDatabase $dbw, $fname)
	Begin a transcation on a DB.

	commitTransaction (IDatabase $dbw, $fname)
	Commit the transcation on a DB handle and wait for replica DBs to catch up.

	countDown ( $seconds)
	Count down from $seconds to zero on the terminal, with a one-second pause between showing each number.

	deleteOption ( $name)
	Remove an option.

	error ( $err, $die=0)
	Throw an error to the user.

	fatalError ( $msg, $exitCode=1)
	Output a message and terminate the current script.

	getArg ( $argId=0, $default=null)
	Get an argument.

	getBatchSize ()
	Returns batch size.

	getDB ( $db, $groups=[], $wiki=false)
	Returns a database to be used by current maintenance script.

	getDir ()
	Get the maintenance directory.

	getOption ( $name, $default=null)
	Get an option, or return the default.

	getStdin ( $len=null)
	Return input from stdin.

	hasArg ( $argId=0)
	Does a given argument exist?

	hasOption ( $name)
	Checks to see if a particular option exists.

	loadSpecialVars ()
	Handle the special variables that are global to all scripts.

	maybeHelp ( $force=false)
	Maybe show the help.

	output ( $out, $channel=null)
	Throw some output to the user.

	requireExtension ( $name)
	Indicate that the specified extension must be loaded before the script can run.

	rollbackTransaction (IDatabase $dbw, $fname)
	Rollback the transcation on a DB handle.

	setAllowUnregisteredOptions ( $allow)
	Sets whether to allow unregistered options, which are options passed to a script that do not match an expected parameter.

	setBatchSize ( $s=0)
	Set the batch size.

	supportsOption ( $name)
	Checks to see if a particular option in supported.

Static Private Member Functions
static	makeDummyRevisionRow (IDatabase $dbw)
	Construct a dummy revision table row to use for reserving IDs.

Static Private Attributes
static array null	$dummyRev = null
	Dummy revision row.

Additional Inherited Members
Public Attributes inherited from Maintenance
resource	$fileHandle
	Used when creating separate schema files.

array	$orderedOptions = []
	Used to read the options in the order they were passed.

const	DB_ADMIN = 2

const	DB_NONE = 0
	Constants for DB access type.

const	DB_STD = 1

const	STDIN_ALL = 'all'

Protected Attributes inherited from Maintenance
	$mAllowUnregisteredOptions = false

	$mArgList = []

	$mArgs = []

int	$mBatchSize = null
	Batch size.

	$mDbPass

	$mDbUser

	$mDescription = ''

	$mInputLoaded = false

	$mOptions = []

	$mParams = []

	$mQuiet = false

	$mSelf

	$mShortParamsMap = []

Detailed Description

Maintenance script that populares archive.ar_rev_id in old rows.

Since: 1.31

Definition at line 35 of file populateArchiveRevId.php.

Constructor & Destructor Documentation

◆ __construct()

PopulateArchiveRevId::__construct ( )

Default constructor.

Children should call this first if implementing their own constructors

Reimplemented from LoggedUpdateMaintenance.

Definition at line 40 of file populateArchiveRevId.php.

References Maintenance\addDescription(), and Maintenance\setBatchSize().

Member Function Documentation

◆ checkMysqlAutoIncrementBug()

static PopulateArchiveRevId::checkMysqlAutoIncrementBug ( IDatabase $dbw )

static

Check for (and work around) a MySQL auto-increment bug.

(T202032) MySQL until 8.0 and MariaDB until some version after 10.1.34 don't save the auto-increment value to disk, so on server restart it might reuse IDs from deleted revisions. We can fix that with an insert with an explicit rev_id value, if necessary.

Parameters

IDatabase $dbw

Definition at line 110 of file populateArchiveRevId.php.

References $e, $fname, Wikimedia\Rdbms\IDatabase\delete(), Wikimedia\Rdbms\IDatabase\doAtomicSection(), Wikimedia\Rdbms\IDatabase\getType(), Wikimedia\Rdbms\IDatabase\insert(), Wikimedia\Rdbms\IDatabase\insertId(), makeDummyRevisionRow(), and Wikimedia\Rdbms\IDatabase\selectField().

Referenced by DeduplicateArchiveRevId\doDBUpdates(), and doDBUpdates().

◆ doDBUpdates()

PopulateArchiveRevId::doDBUpdates ( )

protected

Do the actual work.

All child classes will need to implement this. Return true to log the update as done or false (usually on failure).

Returns: bool

Reimplemented from LoggedUpdateMaintenance.

Definition at line 59 of file populateArchiveRevId.php.

References checkMysqlAutoIncrementBug(), DB_MASTER, Maintenance\getBatchSize(), Maintenance\getDB(), Maintenance\output(), reassignArRevIds(), and wfWaitForSlaves().

◆ getUpdateKey()

PopulateArchiveRevId::getUpdateKey ( )

protected

Get the update key name to go in the update log table.

Returns: string

Reimplemented from LoggedUpdateMaintenance.

Definition at line 55 of file populateArchiveRevId.php.

◆ isNewInstall()

static PopulateArchiveRevId::isNewInstall ( IDatabase $dbw )

static

Parameters

IDatabase $dbw

Returns: bool

Definition at line 50 of file populateArchiveRevId.php.

References Wikimedia\Rdbms\IDatabase\selectRowCount().

Referenced by DeduplicateArchiveRevId\doDBUpdates().

◆ makeDummyRevisionRow()

static PopulateArchiveRevId::makeDummyRevisionRow ( IDatabase $dbw )

staticprivate

Construct a dummy revision table row to use for reserving IDs.

The row will have a wildly unlikely timestamp, and possibly a generic user and comment, but will otherwise be derived from a revision on the wiki's main page or some other revision in the database.

Parameters

IDatabase $dbw

Returns: array

Definition at line 205 of file populateArchiveRevId.php.

References $rev, $title, array(), Wikimedia\Rdbms\IDatabase\begin(), EDIT_NEW, EDIT_SUPPRESS_RC, User\newSystemUser(), Wikimedia\Rdbms\IDatabase\rollback(), Wikimedia\Rdbms\IDatabase\selectField(), Wikimedia\Rdbms\IDatabase\selectRow(), Wikimedia\Rdbms\IDatabase\timestamp(), and wfDebug().

Referenced by checkMysqlAutoIncrementBug(), and reassignArRevIds().

◆ reassignArRevIds()

static PopulateArchiveRevId::reassignArRevIds	(	IDatabase	$dbw,
		array	$arIds,
		array	$conds = `[]`
	)

static

Assign new ar_rev_ids to a set of ar_ids.

Parameters

IDatabase	$dbw
int[]	$arIds
array	$conds	Extra conditions for the update

Returns: int Number of updated rows

Definition at line 154 of file populateArchiveRevId.php.

References $fname, Wikimedia\Rdbms\IDatabase\affectedRows(), as, Wikimedia\Rdbms\IDatabase\delete(), Wikimedia\Rdbms\IDatabase\doAtomicSection(), Wikimedia\Rdbms\IDatabase\insert(), makeDummyRevisionRow(), Wikimedia\Rdbms\IDatabase\selectFieldValues(), Wikimedia\Rdbms\IDatabase\update(), and use.

Referenced by doDBUpdates(), and DeduplicateArchiveRevId\processArRevIds().

Member Data Documentation

◆ $dummyRev

array null PopulateArchiveRevId::$dummyRev = null

staticprivate

Dummy revision row.

Definition at line 38 of file populateArchiveRevId.php.

The documentation for this class was generated from the following file:

maintenance/populateArchiveRevId.php

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Private Member Functions

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ checkMysqlAutoIncrementBug()

◆ doDBUpdates()

◆ getUpdateKey()

◆ isNewInstall()

◆ makeDummyRevisionRow()

◆ reassignArRevIds()

Member Data Documentation

◆ $dummyRev