MediaWiki REL1_35
DeduplicateArchiveRevId Class Reference

Maintenance script that cleans up archive rows with duplicated ar_rev_id, both within archive and between archive and revision. More...

Inheritance diagram for DeduplicateArchiveRevId:
Collaboration diagram for DeduplicateArchiveRevId:

Public Member Functions

 __construct ()
 Default constructor.
 
- Public Member Functions inherited from LoggedUpdateMaintenance
 execute ()
 Do the actual work.
 
- Public Member Functions inherited from Maintenance
 checkRequiredExtensions ()
 Verify that the required extensions are installed.
 
 cleanupChanneled ()
 Clean up channeled output.
 
 clearParamsAndArgs ()
 Clear all params and arguments.
 
 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 (IMaintainableDatabase $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 (int $pageId)
 Update the searchindex table for a given pageid.
 
 validateParamsAndArgs ()
 Run some validation checks on the params, etc Stable for overriding.
 

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 Stable for overriding.
 
 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=[], $dbDomain=false)
 Returns a database to be used by current maintenance script.
 
 getDir ()
 Get the maintenance directory.
 
 getHookContainer ()
 Get a HookContainer, for running extension hooks or for hook metadata.
 
 getHookRunner ()
 Get a HookRunner for running core hooks.
 
 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 was set.
 
 loadSpecialVars ()
 Handle the special variables that are global to all scripts Stable for overriding.
 
 maybeHelp ( $force=false)
 Maybe show the help.
 
 output ( $out, $channel=null)
 Throw some output to the user.
 
 parseIntList ( $text)
 Utility function to parse a string (perhaps from a command line option) into a list of integers (perhaps some kind of numeric IDs).
 
 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.
 
 showHelp ()
 Definitely show the help.
 
 supportsOption ( $name)
 Checks to see if a particular option in supported.
 

Private Member Functions

 getSeenKey ( $row)
 Make a key identifying a "unique" change from a row.
 
 processArRevIds (IDatabase $dbw, array $arRevIds, array $revRows)
 Process a set of ar_rev_ids.
 

Private Attributes

array[] null $arActorQuery = null
 -var array{tables:string[],fields:string[],joins:array}|null
 
 $deleted = 0
 
 $reassigned = 0
 

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)
 
- 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 = []
 
array[] $mParams = []
 Array of desired/allowed params.
 
 $mQuiet = false
 
 $mSelf
 
 $mShortParamsMap = []
 

Detailed Description

Maintenance script that cleans up archive rows with duplicated ar_rev_id, both within archive and between archive and revision.

Since
1.32

Definition at line 14 of file deduplicateArchiveRevId.php.

Constructor & Destructor Documentation

◆ __construct()

DeduplicateArchiveRevId::__construct ( )

Default constructor.

Children should call this first if implementing their own constructors

Stable for calling

Reimplemented from LoggedUpdateMaintenance.

Definition at line 25 of file deduplicateArchiveRevId.php.

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

Member Function Documentation

◆ doDBUpdates()

DeduplicateArchiveRevId::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 37 of file deduplicateArchiveRevId.php.

References $res, Maintenance\beginTransaction(), PopulateArchiveRevId\checkMysqlAutoIncrementBug(), Maintenance\commitTransaction(), DB_MASTER, Maintenance\getBatchSize(), getDB(), PopulateArchiveRevId\isNewInstall(), Maintenance\output(), and processArRevIds().

◆ getSeenKey()

DeduplicateArchiveRevId::getSeenKey (   $row)
private

Make a key identifying a "unique" change from a row.

Parameters
object$row
Returns
string

Definition at line 204 of file deduplicateArchiveRevId.php.

Referenced by processArRevIds().

◆ getUpdateKey()

DeduplicateArchiveRevId::getUpdateKey ( )
protected

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

Returns
string

Reimplemented from LoggedUpdateMaintenance.

Definition at line 33 of file deduplicateArchiveRevId.php.

◆ processArRevIds()

DeduplicateArchiveRevId::processArRevIds ( IDatabase  $dbw,
array  $arRevIds,
array  $revRows 
)
private

Process a set of ar_rev_ids.

Parameters
IDatabase$dbw
int[]$arRevIdsIDs to process
object[]$revRowsExisting revision-table row data

Definition at line 121 of file deduplicateArchiveRevId.php.

References $res, Wikimedia\Rdbms\IDatabase\affectedRows(), Wikimedia\Rdbms\IDatabase\delete(), getSeenKey(), Maintenance\output(), PopulateArchiveRevId\reassignArRevIds(), and Wikimedia\Rdbms\IDatabase\select().

Referenced by doDBUpdates().

Member Data Documentation

◆ $arActorQuery

array [] null DeduplicateArchiveRevId::$arActorQuery = null
private

-var array{tables:string[],fields:string[],joins:array}|null

Definition at line 20 of file deduplicateArchiveRevId.php.

◆ $deleted

DeduplicateArchiveRevId::$deleted = 0
private

Definition at line 22 of file deduplicateArchiveRevId.php.

◆ $reassigned

DeduplicateArchiveRevId::$reassigned = 0
private

Definition at line 23 of file deduplicateArchiveRevId.php.


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