Maintenance script to refresh link tables. More...

Inheritance diagram for RefreshLinks:

Collaboration diagram for RefreshLinks:

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Public Member Functions
	__construct ()
	Default constructor.

	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.

Static Public Member Functions
static	fixLinksFromArticle ( $id, $ns=false)
	Run LinksUpdate for all links on a given page_id.

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)

Public Attributes
const	REPORTING_INTERVAL = 100

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
int bool	$namespace = false

Protected Attributes inherited from Maintenance
	$mArgList = []

	$mArgs = []

int	$mBatchSize = null
	Batch size.

	$mDbPass

	$mDbUser

	$mDescription = ''

	$mInputLoaded = false

	$mOptions = []

	$mParams = []

	$mQuiet = false

	$mSelf

	$mShortParamsMap = []

Private Member Functions
	deleteLinksFromNonexistent ( $start=null, $end=null, $batchSize=100, $chunkSize=100000)
	Removes non-existing links from pages from pagelinks, imagelinks, categorylinks, templatelinks, externallinks, interwikilinks, langlinks and redirect tables.

	dfnCheckInterval ( $start=null, $end=null, $batchSize=100)

	doRefreshLinks ( $start, $newOnly=false, $end=null, $redirectsOnly=false, $oldRedirectsOnly=false)
	Do the actual link refreshing.

	fixRedirect ( $id)
	Update the redirect entry for a given page.

	getPossibleCategories ( $categoryKey)
	Returns a list of possible categories for a given tracking category key.

	namespaceCond ()

	refreshCategory (Title $category)
	Refreshes links to a category.

	refreshTrackingCategory ( $category)
	Refershes links for pages in a tracking category.

Static Private Member Functions
static	intervalCond (IDatabase $db, $var, $start, $end)
	Build a SQL expression for a closed interval (i.e.

Additional Inherited Members
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 param 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.

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

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

Detailed Description

Maintenance script to refresh link tables.

Definition at line 33 of file refreshLinks.php.

Constructor & Destructor Documentation

◆ __construct()

RefreshLinks::__construct ( )

Default constructor.

Children should call this first if implementing their own constructors

Reimplemented from Maintenance.

Definition at line 39 of file refreshLinks.php.

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

Member Function Documentation

◆ deleteLinksFromNonexistent()

RefreshLinks::deleteLinksFromNonexistent	(	$start = null,
		$end = null,
		$batchSize = 100,
		$chunkSize = 100000 )

private

Removes non-existing links from pages from pagelinks, imagelinks, categorylinks, templatelinks, externallinks, interwikilinks, langlinks and redirect tables.

Parameters

int \| null	$start	Page_id to start from
int \| null	$end	Page_id to stop at
int	$batchSize	The size of deletion batches
int	$chunkSize	Maximum number of existent IDs to check per query

Author: Merlijn van Deen valha.nosp@m.llas.nosp@m.w@arc.nosp@m.tus..nosp@m.nl

Definition at line 294 of file refreshLinks.php.

References $dbr, DB_REPLICA, dfnCheckInterval(), Maintenance\getDB(), namespaceCond(), output(), and wfWaitForSlaves().

Referenced by execute().

◆ dfnCheckInterval()

RefreshLinks::dfnCheckInterval	(	$start = null,
		$end = null,
		$batchSize = 100 )

private

See also: RefreshLinks::deleteLinksFromNonexistent()

Parameters

int \| null	$start	Page_id to start from
int \| null	$end	Page_id to stop at
int	$batchSize	The size of deletion batches

Definition at line 339 of file refreshLinks.php.

References $dbr, DB_MASTER, DB_REPLICA, Maintenance\getDB(), output(), and wfWaitForSlaves().

Referenced by deleteLinksFromNonexistent().

◆ doRefreshLinks()

RefreshLinks::doRefreshLinks	(	$start,
		$newOnly = false,
		$end = null,
		$redirectsOnly = false,
		$oldRedirectsOnly = false )

private

Do the actual link refreshing.

Parameters

int \| null	$start	Page_id to start from
bool	$newOnly	Only do pages with 1 edit
int \| null	$end	Page_id to stop at
bool	$redirectsOnly	Only fix redirects
bool	$oldRedirectsOnly	Only fix redirects without redirect entries

Definition at line 103 of file refreshLinks.php.

References $dbr, $res, DB_REPLICA, fixLinksFromArticle(), fixRedirect(), Maintenance\getDB(), intervalCond(), namespaceCond(), output(), and wfWaitForSlaves().

Referenced by execute().

◆ execute()

RefreshLinks::execute ( )

Do the actual work.

All child classes will need to implement this

Reimplemented from Maintenance.

Definition at line 56 of file refreshLinks.php.

References deleteLinksFromNonexistent(), doRefreshLinks(), Maintenance\fatalError(), Maintenance\getArg(), Maintenance\getBatchSize(), Maintenance\getOption(), Maintenance\hasOption(), NS_CATEGORY, refreshCategory(), and refreshTrackingCategory().

◆ fixLinksFromArticle()

static RefreshLinks::fixLinksFromArticle	(		$id,
			$ns = false )

static

Run LinksUpdate for all links on a given page_id.

Parameters

int	$id	The page_id
int \| bool	$ns	Only fix links if it is in this namespace

Definition at line 258 of file refreshLinks.php.

Referenced by CleanupInvalidDbKeys\cleanupTable(), doRefreshLinks(), and refreshCategory().

◆ fixRedirect()

RefreshLinks::fixRedirect ( $id )

private

Update the redirect entry for a given page.

This methods bypasses the "redirect" table to get the redirect target, and parses the page's content to fetch it. This allows to be sure that the redirect target is up to date and valid. This is particularly useful when modifying namespaces to be sure the entry in the "redirect" table points to the correct page and not to an invalid one.

Parameters

int $id The page ID to check

Definition at line 215 of file refreshLinks.php.

References DB_MASTER, and Maintenance\getDB().

Referenced by doRefreshLinks().

◆ getPossibleCategories()

RefreshLinks::getPossibleCategories ( $categoryKey )

private

Returns a list of possible categories for a given tracking category key.

Parameters

string $categoryKey

Returns: Title[]

Definition at line 482 of file refreshLinks.php.

References Maintenance\fatalError(), and Maintenance\getConfig().

Referenced by refreshTrackingCategory().

◆ intervalCond()

static RefreshLinks::intervalCond	(	IDatabase	$db,
			$var,
			$start,
			$end )

staticprivate

Build a SQL expression for a closed interval (i.e.

BETWEEN).

By specifying a null $start or $end, it is also possible to create half-bounded or unbounded intervals using this function.

Parameters

IDatabase	$db
string	$var	Field name
mixed	$start	First value to include or null
mixed	$end	Last value to include or null

Returns: string

Definition at line 398 of file refreshLinks.php.

Referenced by doRefreshLinks().

◆ namespaceCond()

RefreshLinks::namespaceCond ( )

private

Definition at line 89 of file refreshLinks.php.

References $namespace.

Referenced by deleteLinksFromNonexistent(), and doRefreshLinks().

◆ refreshCategory()

RefreshLinks::refreshCategory ( Title $category )

private

Refreshes links to a category.

Parameters

Title $category

Definition at line 433 of file refreshLinks.php.

References $dbr, $namespace, $res, DB_REPLICA, fixLinksFromArticle(), Maintenance\getBatchSize(), Maintenance\getDB(), Title\getDBkey(), output(), and wfWaitForSlaves().

Referenced by execute(), and refreshTrackingCategory().

◆ refreshTrackingCategory()

RefreshLinks::refreshTrackingCategory ( $category )

private

Refershes links for pages in a tracking category.

Parameters

string $category Category key

Definition at line 415 of file refreshLinks.php.

References error, getPossibleCategories(), and refreshCategory().

Referenced by execute().

Member Data Documentation

◆ $namespace

int bool RefreshLinks::$namespace = false

protected

Definition at line 37 of file refreshLinks.php.

Referenced by namespaceCond(), and refreshCategory().

◆ REPORTING_INTERVAL

const RefreshLinks::REPORTING_INTERVAL = 100

Definition at line 34 of file refreshLinks.php.

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

maintenance/refreshLinks.php

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Attributes

Private Member Functions

Static Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ deleteLinksFromNonexistent()

◆ dfnCheckInterval()

◆ doRefreshLinks()

◆ execute()

◆ fixLinksFromArticle()

◆ fixRedirect()

◆ getPossibleCategories()

◆ intervalCond()

◆ namespaceCond()

◆ refreshCategory()

◆ refreshTrackingCategory()

Member Data Documentation

◆ $namespace

◆ REPORTING_INTERVAL