CompressOld Class Reference

Maintenance script that compress the text of a wiki. More...

Inheritance diagram for CompressOld:

Collaboration diagram for CompressOld:

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.

Public Attributes
const	LS_CHUNKED = 1
	Option to load revisions in chunks.
const	LS_INDIVIDUAL = 0
	Option to load each revision individually.
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'

Private Member Functions
	compressOldPages ( $start=0, $extdb='')
	Fetch the text row-by-row to 'compressPage' function for compression.
	compressPage ( $row, $extdb)
	Compress the text in gzip format.
	compressWithConcat ( $startId, $maxChunkSize, $beginDate, $endDate, $extdb="", $maxPageId=false)
	Compress the text in chunks after concatenating the revisions.

Additional Inherited Members
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 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.
Protected Attributes inherited from Maintenance
	$mArgList = []
	$mArgs = []
int	$mBatchSize = null
	Batch size.
	$mDbPass
	$mDbUser
	$mDescription = ''
	$mInputLoaded = false
	$mOptions = []
	$mParams = []
	$mQuiet = false
	$mSelf
	$mShortParamsMap = []

Detailed Description

Maintenance script that compress the text of a wiki.

Definition at line 51 of file compressOld.php.

Constructor & Destructor Documentation

__construct()

CompressOld::__construct

(

)

Default constructor.

Children should call this first if implementing their own constructors

Reimplemented from Maintenance.

Definition at line 62 of file compressOld.php.

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

Member Function Documentation

compressOldPages()

CompressOld::compressOldPages ( $start = 0, $extdb = '' )

private

Fetch the text row-by-row to 'compressPage' function for compression.

Parameters

int	$start
string	$extdb

Definition at line 149 of file compressOld.php.

References $last, $res, compressPage(), DB_MASTER, Maintenance\getDB(), and output().

Referenced by execute().

compressPage()

CompressOld::compressPage ( $row, $extdb )

private

Compress the text in gzip format.

Parameters

stdClass	$row
string	$extdb

Returns

bool

Definition at line 186 of file compressOld.php.

References DB_MASTER, error, Maintenance\getDB(), and ExternalStoreDB\store().

Referenced by compressOldPages().

compressWithConcat()

CompressOld::compressWithConcat ( $startId, $maxChunkSize, $beginDate, $endDate, $extdb = "", $maxPageId = false )

private

Compress the text in chunks after concatenating the revisions.

Parameters

int	$startId
int	$maxChunkSize
string	$beginDate
string	$endDate
string	$extdb
bool | int	$maxPageId

Returns

bool

Definition at line 233 of file compressOld.php.

References $dbr, $tables, Maintenance\beginTransaction(), Maintenance\commitTransaction(), DB_MASTER, DB_REPLICA, error, Maintenance\getDB(), LS_CHUNKED, output(), serialize(), and wfWaitForSlaves().

Referenced by execute().

execute()

CompressOld::execute

(

)

Do the actual work.

All child classes will need to implement this

Reimplemented from Maintenance.

Definition at line 103 of file compressOld.php.

References $success, $type, $wgDBname, compressOldPages(), compressWithConcat(), error, Maintenance\fatalError(), Maintenance\getOption(), and output().

Member Data Documentation

LS_CHUNKED

const CompressOld::LS_CHUNKED = 1

Option to load revisions in chunks.

Definition at line 60 of file compressOld.php.

Referenced by compressWithConcat().

LS_INDIVIDUAL

const CompressOld::LS_INDIVIDUAL = 0

Option to load each revision individually.

Definition at line 55 of file compressOld.php.

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

• maintenance/storage/compressOld.php