BenchmarkDeleteTruncate Class Reference
Maintenance script that benchmarks SQL DELETE vs SQL TRUNCATE. More...
Inheritance diagram for BenchmarkDeleteTruncate:
Collaboration diagram for BenchmarkDeleteTruncate:
Public Member Functions | |
| __construct () | |
| Default constructor. | |
| execute () | |
| Do the actual work. | |
 Public Member Functions inherited from Benchmarker | |
| addResult ( $res) | |
| bench (array $benchs) | |
| startBench () | |
| 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 ( $dbw, $pageId) | |
| Update the searchindex table for a given pageid. | |
| validateParamsAndArgs () | |
| Run some validation checks on the params, etc. | |
Protected Attributes | |
| $defaultCount = 10 | |
| Protected Attributes inherited from Benchmarker | |
| $defaultCount = 100 | |
| 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 = [] | |
Private Member Functions | |
| delete ( $dbw) | |
| insertData ( $dbw) | |
| truncate ( $dbw) | |
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 Member Functions inherited from Benchmarker | |
| loadFile ( $file) | |
| verboseRun ( $iteration) | |
| 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=[], $dbDomain=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. | |
| 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. | |
| supportsOption ( $name) | |
| Checks to see if a particular option in supported. | |
Detailed Description
Maintenance script that benchmarks SQL DELETE vs SQL TRUNCATE.
Definition at line 34 of file bench_delete_truncate.php.
Constructor & Destructor Documentation
◆ __construct()
| BenchmarkDeleteTruncate::__construct | ( | ) |
Default constructor.
Children should call this first if implementing their own constructors
Reimplemented from Benchmarker.
Definition at line 37 of file bench_delete_truncate.php.
References Maintenance\addDescription().
Member Function Documentation
◆ delete()
|
private |
◆ execute()
| BenchmarkDeleteTruncate::execute | ( | ) |
Do the actual work.
All child classes will need to implement this
- Returns
- bool|null|void True for success, false for failure. Not returning a value, or returning null, is also interpreted as success. Returning false for failure will cause doMaintenance.php to exit the process with a non-zero exit status.
Reimplemented from Maintenance.
Definition at line 42 of file bench_delete_truncate.php.
References Benchmarker\bench(), DB_MASTER, getDB(), insertData(), and truncate().
◆ insertData()
|
private |
- Parameters
-
IDatabase $dbw
- Returns
- void
Definition at line 77 of file bench_delete_truncate.php.
Referenced by execute().
◆ truncate()
|
private |
- Parameters
-
IMaintainableDatabase $dbw
- Returns
- void
Definition at line 98 of file bench_delete_truncate.php.
Referenced by execute().
Member Data Documentation
◆ $defaultCount
|
protected |
Definition at line 35 of file bench_delete_truncate.php.
The documentation for this class was generated from the following file:
- maintenance/benchmarks/bench_delete_truncate.php
