DatabaseUpdater Class Reference

Class for handling database updates. More...

Inheritance diagram for DatabaseUpdater:

Collaboration diagram for DatabaseUpdater:

List of all members.

Public Member Functions
	addExtensionField ($tableName, $columnName, $sqlPath)
	addExtensionIndex ($tableName, $indexName, $sqlPath)
	addExtensionTable ($tableName, $sqlPath)
	Convenience wrapper for addExtensionUpdate() when adding a new table (which is the most common usage of updaters in an extension)
	addExtensionUpdate (array $update)
	Add a new update coming from an extension.
	addPostDatabaseUpdateMaintenance ($class)
	Add a maintenance script to be run after the database updates are complete.
	appendLine ($line)
	Append a line to the open filehandle.
	copyFile ($filename)
	Append an SQL fragment to the open file handle.
	doUpdates ($what=array( 'core', 'extensions', 'stats'))
	Do all the updates.
	dropExtensionField ($tableName, $columnName, $sqlPath)
	dropExtensionIndex ($tableName, $indexName, $sqlPath)
	Drop an index from an extension table.
	dropExtensionTable ($tableName, $sqlPath)
	dropTable ($table, $patch=false, $fullpath=false)
	If the specified table exists, drop it, or execute the patch if one is provided.
	getDB ()
	Get a database connection to run updates.
	getPostDatabaseUpdateMaintenance ()
	insertUpdateRow ($key, $val=null)
	Helper function: Add a key to the updatelog table Obviously, only use this for updates that occur after the updatelog table was created!
	modifyExtensionField ($tableName, $fieldName, $sqlPath)
	modifyField ($table, $field, $patch, $fullpath=false)
	Modify an existing field.
	output ($str)
	Output some text.
	purgeCache ()
	Purge the objectcache table.
	renameExtensionIndex ($tableName, $oldIndexName, $newIndexName, $sqlPath, $skipBothIndexExistWarning=false)
	Rename an index on an extension table.
	tableExists ($tableName)
	updateRowExists ($key)
	Helper function: check if the given key is present in the updatelog table.
Static Public Member Functions
static	newForDB (&$db, $shared=false, $maintenance=null)
Protected Member Functions
	__construct (DatabaseBase &$db, $shared, Maintenance $maintenance=null)
	Constructor.
	addField ($table, $field, $patch, $fullpath=false)
	Add a new field to an existing table.
	addIndex ($table, $index, $patch, $fullpath=false)
	Add a new index to an existing table.
	addTable ($name, $patch, $fullpath=false)
	Add a new table to the database.
	applyPatch ($path, $isFullPath=false, $msg=null)
	Applies a SQL patch.
	canUseNewUpdatelog ()
	Updatelog was changed in 1.17 to have a ul_value column so we can record more information about what kind of updates we've done (that's what this class does).
	checkStats ()
	Check the site_stats table is not properly populated.
	disableContentHandlerUseDB ()
	Turns off content handler fields during parts of the upgrade where they aren't available.
	doActiveUsersInit ()
	Sets the number of active users in the site_stats table.
	doCollationUpdate ()
	Update CategoryLinks collation.
	doLogSearchPopulation ()
	Migrate log params to new table and index for searching.
	doLogUsertextPopulation ()
	Populates the log_user_text field in the logging table.
	doMigrateUserOptions ()
	Migrates user options from the user table blob to user_properties.
	doTable ($name)
	Returns whether updates should be executed on the database table $name.
	doUpdateTranscacheField ()
	Updates the timestamps in the transcache table.
	dropField ($table, $field, $patch, $fullpath=false)
	Drop a field from an existing table.
	dropIndex ($table, $index, $patch, $fullpath=false)
	Drop an index from an existing table.
	enableContentHandlerUseDB ()
	Turns content handler fields back on.
	getCoreUpdateList ()
	Get an array of updates to perform on the database.
	getExtensionUpdates ()
	Get the list of extension-defined updates.
	getOldGlobalUpdates ()
	Before 1.17, we used to handle updates via stuff like $wgExtNewTables/Fields/Indexes.
	rebuildLocalisationCache ()
	Rebuilds the localisation cache.
	renameIndex ($table, $oldIndex, $newIndex, $skipBothIndexExistWarning, $patch, $fullpath=false)
	Rename an index from an existing table.
	setAppliedUpdates ($version, $updates=array())
Protected Attributes
DatabaseBase	$db
	Handle to the database subclass.
array	$extensionUpdates = array()
	List of extension-provided database updates.
Filehandle	$fileHandle = null
	File handle for SQL output.
	$postDatabaseUpdateMaintenance
	Scripts to run after database update Should be a subclass of LoggedUpdateMaintenance.
	$shared = false
bool	$skipSchema = false
	Flag specifying whether or not to skip schema (e.g.
array	$updates = array()
	Array of updates to perform on the database.
array	$updatesSkipped = array()
	Array of updates that were skipped.
	$wgContentHandlerUseDB = true
	Hold the value of $wgContentHandlerUseDB during the upgrade.
Private Member Functions
	initOldGlobals ()
	Initialize all of the old globals.
	loadExtensions ()
	Loads LocalSettings.php, if needed, and initialises everything needed for LoadExtensionSchemaUpdates hook.
	runUpdates (array $updates, $passSelf)
	Helper function for doUpdates()
	writeSchemaUpdateFile ($schemaUpdate=array())

---

Detailed Description

Class for handling database updates.

Roughly based off of updaters.inc, with a few improvements :)

Since:

1.17

Definition at line 33 of file DatabaseUpdater.php.

---

Constructor & Destructor Documentation

DatabaseUpdater::__construct	(	DatabaseBase &$	db,
		$	shared,
		Maintenance $	maintenance = null
	)		[protected]

Constructor.

Parameters:

	$db	DatabaseBase object to perform updates on
bool	$shared	Whether to perform updates on shared tables
	$maintenance	Maintenance Maintenance object which created us

Definition at line 97 of file DatabaseUpdater.php.

---

Member Function Documentation

DatabaseUpdater::addExtensionField	(	$	tableName,
		$	columnName,
		$	sqlPath
	)

Since:

1.19

Parameters:

$tableName	string
$columnName	string
$sqlPath	string

Definition at line 242 of file DatabaseUpdater.php.

DatabaseUpdater::addExtensionIndex	(	$	tableName,
		$	indexName,
		$	sqlPath
	)

Since:

1.19

Parameters:

$tableName	string
$indexName	string
$sqlPath	string

Definition at line 230 of file DatabaseUpdater.php.

DatabaseUpdater::addExtensionTable	(	$	tableName,
		$	sqlPath
	)

Convenience wrapper for addExtensionUpdate() when adding a new table (which is the most common usage of updaters in an extension)

Since:

1.18

Parameters:

string	$tableName	Name of table to create
string	$sqlPath	Full path to the schema file

Definition at line 219 of file DatabaseUpdater.php.

DatabaseUpdater::addExtensionUpdate

(

array $

update

)

Add a new update coming from an extension.

This should be called by extensions while executing the LoadExtensionSchemaUpdates hook.

Since:

1.17

Parameters:

array

$update

the update to run. Format is the following: first item is the callback function, it also can be a simple string with the name of a function in this class, following elements are parameters to the function. Note that callback functions will receive this object as first parameter.

Definition at line 206 of file DatabaseUpdater.php.

DatabaseUpdater::addField	(	$	table,
		$	field,
		$	patch,
		$	fullpath = false
	)		[protected]

Add a new field to an existing table.

Parameters:

string	$table	Name of the table to modify
string	$field	Name of the new field
string	$patch	Path to the patch file
	$fullpath	Boolean Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 669 of file DatabaseUpdater.php.

DatabaseUpdater::addIndex	(	$	table,
		$	index,
		$	patch,
		$	fullpath = false
	)		[protected]

Add a new index to an existing table.

Parameters:

string	$table	Name of the table to modify
string	$index	Name of the new index
string	$patch	Path to the patch file
	$fullpath	Boolean Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 693 of file DatabaseUpdater.php.

DatabaseUpdater::addPostDatabaseUpdateMaintenance

(

$

class

)

Add a maintenance script to be run after the database updates are complete.

Script should subclass LoggedUpdateMaintenance

Since:

1.19

Parameters:

string

$class

Name of a Maintenance subclass

Definition at line 328 of file DatabaseUpdater.php.

DatabaseUpdater::addTable	(	$	name,
		$	patch,
		$	fullpath = false
	)		[protected]

Add a new table to the database.

Parameters:

string	$name	Name of the new table
string	$patch	Path to the patch file
	$fullpath	Boolean Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 647 of file DatabaseUpdater.php.

DatabaseUpdater::appendLine

(

$

line

)

Append a line to the open filehandle.

The line is assumed to be a complete SQL statement.

This is used as a callback for for sourceLine().

Parameters:

string

$line

text to append to the file

Returns:

Boolean false to skip actually executing the file

Exceptions:

MWException

Definition at line 600 of file DatabaseUpdater.php.

DatabaseUpdater::applyPatch	(	$	path,
		$	isFullPath = false,
		$	msg = null
	)		[protected]

Applies a SQL patch.

Parameters:

string	$path	Path to the patch file
	$isFullPath	Boolean Whether to treat $path as a relative or not
string	$msg	Description of the patch

Returns:

boolean false if patch is skipped.

Definition at line 616 of file DatabaseUpdater.php.

Referenced by PostgresUpdater\addInterwikiType(), PostgresUpdater\addPgExtIndex(), MysqlUpdater\checkBin(), PostgresUpdater\checkIwlPrefix(), PostgresUpdater\checkPageDeletedTrigger(), PostgresUpdater\checkRevUserFkey(), PostgresUpdater\convertArchive2(), MysqlUpdater\doBacklinkingIndicesUpdate(), MysqlUpdater\doCategorylinksIndicesUpdate(), MysqlUpdater\doClFieldsUpdate(), SqliteUpdater\doEnableProfiling(), MysqlUpdater\doEnableProfiling(), MysqlUpdater\doFilearchiveIndicesUpdate(), MysqlUpdater\doFixAncientImagelinks(), MysqlUpdater\doIndexUpdate(), MysqlUpdater\doInterwikiUpdate(), MysqlUpdater\doLangLinksLengthUpdate(), MysqlUpdater\doMaybeProfilingMemoryUpdate(), MysqlUpdater\doPagelinksUpdate(), OracleUpdater\doRemoveNotNullEmptyDefaults2(), MysqlUpdater\doRestrictionsUpdate(), MysqlUpdater\doTemplatelinksUpdate(), MysqlUpdater\doUniquePlTlIl(), MysqlUpdater\doUpdateMimeMinorField(), MysqlUpdater\doUserGroupsUpdate(), MysqlUpdater\doUserNewTalkTimestampNotNull(), MysqlUpdater\doUserUniqueUpdate(), MysqlUpdater\doWatchlistNull(), MysqlUpdater\renameEuWikiId(), PostgresUpdater\renameTable(), SqliteUpdater\sqliteInitialIndexes(), SqliteUpdater\sqliteSetupSearchindex(), and PostgresUpdater\tsearchFixes().

DatabaseUpdater::canUseNewUpdatelog

(

)

[protected]

Updatelog was changed in 1.17 to have a ul_value column so we can record more information about what kind of updates we've done (that's what this class does).

Pre-1.17 wikis won't have this column, and really old wikis might not even have updatelog at all

Returns:

boolean

Definition at line 500 of file DatabaseUpdater.php.

DatabaseUpdater::checkStats

(

)

[protected]

Check the site_stats table is not properly populated.

Definition at line 874 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::copyFile

(

$

filename

)

Append an SQL fragment to the open file handle.

Parameters:

string

$filename

File name to open

Definition at line 584 of file DatabaseUpdater.php.

References array().

DatabaseUpdater::disableContentHandlerUseDB

(

)

[protected]

Turns off content handler fields during parts of the upgrade where they aren't available.

Definition at line 1005 of file DatabaseUpdater.php.

DatabaseUpdater::doActiveUsersInit

(

)

[protected]

Sets the number of active users in the site_stats table.

Definition at line 893 of file DatabaseUpdater.php.

References array().

DatabaseUpdater::doCollationUpdate

(

)

[protected]

Update CategoryLinks collation.

Definition at line 956 of file DatabaseUpdater.php.

DatabaseUpdater::doLogSearchPopulation

(

)

[protected]

Migrate log params to new table and index for searching.

Definition at line 927 of file DatabaseUpdater.php.

DatabaseUpdater::doLogUsertextPopulation

(

)

[protected]

Populates the log_user_text field in the logging table.

Definition at line 911 of file DatabaseUpdater.php.

DatabaseUpdater::doMigrateUserOptions

(

)

[protected]

Migrates user options from the user table blob to user_properties.

Definition at line 979 of file DatabaseUpdater.php.

DatabaseUpdater::doTable

(

$

name

)

[protected]

Returns whether updates should be executed on the database table $name.

Updates will be prevented if the table is a shared table and it is not specified to run updates on shared tables.

Parameters:

string

$name

table name

Returns:

bool

Definition at line 513 of file DatabaseUpdater.php.

Referenced by MysqlUpdater\checkBin(), MysqlUpdater\doEnableProfiling(), MysqlUpdater\doInterwikiUpdate(), MysqlUpdater\doMaybeProfilingMemoryUpdate(), MysqlUpdater\doUserGroupsUpdate(), MysqlUpdater\doUserNewTalkTimestampNotNull(), MysqlUpdater\doUserUniqueUpdate(), and MysqlUpdater\indexHasField().

DatabaseUpdater::doUpdates

(

$

what = array( 'core', 'extensions', 'stats' )

)

Do all the updates.

Parameters:

array

$what

what updates to perform

Reimplemented in OracleUpdater.

Definition at line 374 of file DatabaseUpdater.php.

References checkStats(), getCoreUpdateList(), getExtensionUpdates(), getOldGlobalUpdates(), global, purgeCache(), rebuildLocalisationCache(), runUpdates(), setAppliedUpdates(), updates(), and writeSchemaUpdateFile().

DatabaseUpdater::doUpdateTranscacheField

(

)

[protected]

Updates the timestamps in the transcache table.

Definition at line 943 of file DatabaseUpdater.php.

DatabaseUpdater::dropExtensionField	(	$	tableName,
		$	columnName,
		$	sqlPath
	)

Since:

1.20

Parameters:

$tableName	string
$columnName	string
$sqlPath	string

Definition at line 254 of file DatabaseUpdater.php.

DatabaseUpdater::dropExtensionIndex	(	$	tableName,
		$	indexName,
		$	sqlPath
	)

Drop an index from an extension table.

Since:

1.21

Parameters:

string	$tableName	The table name
string	$indexName	The index name
string	$sqlPath	The path to the SQL change path

Definition at line 267 of file DatabaseUpdater.php.

DatabaseUpdater::dropExtensionTable	(	$	tableName,
		$	sqlPath
	)

Since:

1.20

Parameters:

$tableName	string
$sqlPath	string

Definition at line 278 of file DatabaseUpdater.php.

DatabaseUpdater::dropField	(	$	table,
		$	field,
		$	patch,
		$	fullpath = false
	)		[protected]

Drop a field from an existing table.

Parameters:

string	$table	Name of the table to modify
string	$field	Name of the old field
string	$patch	Path to the patch file
	$fullpath	Boolean Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 717 of file DatabaseUpdater.php.

DatabaseUpdater::dropIndex	(	$	table,
		$	index,
		$	patch,
		$	fullpath = false
	)		[protected]

Drop an index from an existing table.

Parameters:

string	$table	Name of the table to modify
string	$index	Name of the index
string	$patch	Path to the patch file
	$fullpath	Boolean: Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Reimplemented in PostgresUpdater.

Definition at line 739 of file DatabaseUpdater.php.

DatabaseUpdater::dropTable	(	$	table,
		$	patch = false,
		$	fullpath = false
	)

If the specified table exists, drop it, or execute the patch if one is provided.

Public

Since:

1.20

Parameters:

$table	string
$patch	string|false
$fullpath	bool

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 805 of file DatabaseUpdater.php.

DatabaseUpdater::enableContentHandlerUseDB

(

)

[protected]

Turns content handler fields back on.

Definition at line 1018 of file DatabaseUpdater.php.

DatabaseUpdater::getCoreUpdateList

(

)

[abstract, protected]

Get an array of updates to perform on the database.

Should return a multi-dimensional array. The main key is the MediaWiki version (1.12, 1.13...) with the values being arrays of updates, identical to how updaters.inc did it (for now)

Returns:

Array

Reimplemented in PostgresUpdater, OracleUpdater, MysqlUpdater, and SqliteUpdater.

Referenced by doUpdates().

DatabaseUpdater::getDB

(

)

Get a database connection to run updates.

Returns:

DatabaseBase

Definition at line 172 of file DatabaseUpdater.php.

DatabaseUpdater::getExtensionUpdates

(

)

[protected]

Get the list of extension-defined updates.

Returns:

Array

Definition at line 337 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::getOldGlobalUpdates

(

)

[protected]

Before 1.17, we used to handle updates via stuff like $wgExtNewTables/Fields/Indexes.

This is nasty :) We refactored a lot of this in 1.17 but we want to remain back-compatible for a while. So load up these old global-based things into our update list.

Returns:

array

Reimplemented in PostgresUpdater.

Definition at line 533 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::getPostDatabaseUpdateMaintenance

(

)

Since:

1.17

Returns:

array

Definition at line 346 of file DatabaseUpdater.php.

DatabaseUpdater::initOldGlobals

(

)

[private]

Initialize all of the old globals.

One day this should all become something much nicer

Definition at line 117 of file DatabaseUpdater.php.

DatabaseUpdater::insertUpdateRow	(	$	key,
		$	val = null
	)

Helper function: Add a key to the updatelog table Obviously, only use this for updates that occur after the updatelog table was created!

Parameters:

string	$key	Name of key to insert
string	$val	[optional] value to insert along with the key

Definition at line 482 of file DatabaseUpdater.php.

DatabaseUpdater::loadExtensions

(

)

[private]

Loads LocalSettings.php, if needed, and initialises everything needed for LoadExtensionSchemaUpdates hook.

Definition at line 134 of file DatabaseUpdater.php.

DatabaseUpdater::modifyExtensionField	(	$	tableName,
		$	fieldName,
		$	sqlPath
	)

Since:

1.21

Parameters:

string	$tableName	The table name
string	$fieldName	The field to be modified
string	$sqlPath	The path to the SQL change path

Definition at line 304 of file DatabaseUpdater.php.

DatabaseUpdater::modifyField	(	$	table,
		$	field,
		$	patch,
		$	fullpath = false
	)

Modify an existing field.

Parameters:

string	$table	name of the table to which the field belongs
string	$field	name of the field to modify
string	$patch	path to the patch file
	$fullpath	Boolean: whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Definition at line 836 of file DatabaseUpdater.php.

static DatabaseUpdater::newForDB	(	&$	db,
		$	shared = false,
		$	maintenance = null
	)		[static]

Exceptions:

MWException

Parameters:

DatabaseBase	$db
bool	$shared
null	$maintenance

Returns:

DatabaseUpdater

Definition at line 157 of file DatabaseUpdater.php.

Referenced by DatabaseSqliteTest\prepareDB().

DatabaseUpdater::output

(

$

str

)

Output some text.

If we're running from web, escape the text first.

Parameters:

string

$str

Text to output

Definition at line 181 of file DatabaseUpdater.php.

References $wgCommandLineMode, echo, and global.

Referenced by PostgresUpdater\addPgExtIndex(), PostgresUpdater\addPgField(), PostgresUpdater\addPgIndex(), PostgresUpdater\addSequence(), PostgresUpdater\changeField(), PostgresUpdater\changeFkeyDeferrable(), PostgresUpdater\changeNullableField(), MysqlUpdater\checkBin(), PostgresUpdater\checkIndex(), PostgresUpdater\checkOiDeleted(), PostgresUpdater\checkOiNameConstraint(), PostgresUpdater\checkPageDeletedTrigger(), PostgresUpdater\checkRevUserFkey(), PostgresUpdater\convertArchive2(), MysqlUpdater\doCategoryPopulation(), MysqlUpdater\doClFieldsUpdate(), MysqlUpdater\doFixAncientImagelinks(), MysqlUpdater\doIndexUpdate(), MysqlUpdater\doInterwikiUpdate(), MysqlUpdater\doLangLinksLengthUpdate(), MysqlUpdater\doMaybeProfilingMemoryUpdate(), MysqlUpdater\doNamespaceSize(), MysqlUpdater\doPagelinksUpdate(), MysqlUpdater\doPageRandomUpdate(), MysqlUpdater\doPopulateParentId(), MysqlUpdater\doRestrictionsUpdate(), MysqlUpdater\doSchemaRestructuring(), MysqlUpdater\doTemplatelinksUpdate(), MysqlUpdater\doUniquePlTlIl(), MysqlUpdater\doUpdateMimeMinorField(), MysqlUpdater\doUserGroupsUpdate(), MysqlUpdater\doUserNewTalkTimestampNotNull(), MysqlUpdater\doUserUniqueUpdate(), MysqlUpdater\doWatchlistNull(), MysqlUpdater\doWatchlistUpdate(), PostgresUpdater\dropIndex(), MysqlUpdater\indexHasField(), MysqlUpdater\renameEuWikiId(), PostgresUpdater\renameIndex(), PostgresUpdater\renameSequence(), PostgresUpdater\renameTable(), PostgresUpdater\setDefault(), SqliteUpdater\sqliteInitialIndexes(), and SqliteUpdater\sqliteSetupSearchindex().

DatabaseUpdater::purgeCache

(

)

Purge the objectcache table.

Reimplemented in OracleUpdater.

Definition at line 858 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::rebuildLocalisationCache

(

)

[protected]

Rebuilds the localisation cache.

Definition at line 990 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::renameExtensionIndex	(	$	tableName,
		$	oldIndexName,
		$	newIndexName,
		$	sqlPath,
		$	skipBothIndexExistWarning = false
	)

Rename an index on an extension table.

Since:

1.21

Parameters:

string	$tableName	The table name
string	$oldIndexName	The old index name
string	$newIndexName	The new index name
	$skipBothIndexExistWarning	Boolean: Whether to warn if both the old and the new indexes exist. [facultative; by default, false]
string	$sqlPath	The path to the SQL change path

Definition at line 293 of file DatabaseUpdater.php.

DatabaseUpdater::renameIndex	(	$	table,
		$	oldIndex,
		$	newIndex,
		$	skipBothIndexExistWarning,
		$	patch,
		$	fullpath = false
	)		[protected]

Rename an index from an existing table.

Parameters:

string	$table	Name of the table to modify
string	$oldIndex	Old name of the index
string	$newIndex	New name of the index
	$skipBothIndexExistWarning	Boolean: Whether to warn if both the old and the new indexes exist.
string	$patch	Path to the patch file
	$fullpath	Boolean: Whether to treat $patch path as a relative or not

Returns:

Boolean false if this was skipped because schema changes are skipped

Reimplemented in PostgresUpdater.

Definition at line 763 of file DatabaseUpdater.php.

DatabaseUpdater::runUpdates	(	array $	updates,
		$	passSelf
	)		[private]

Helper function for doUpdates()

Parameters:

array	$updates	of updates to run
	$passSelf	Boolean: whether to pass this object we calling external functions

Definition at line 418 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::setAppliedUpdates	(	$	version,
		$	updates = array()
	)		[protected]

Parameters:

$version
$updates	array

Definition at line 445 of file DatabaseUpdater.php.

Referenced by doUpdates().

DatabaseUpdater::tableExists

(

$

tableName

)

Since:

1.20

Parameters:

$tableName

string

Returns:

bool

Definition at line 315 of file DatabaseUpdater.php.

DatabaseUpdater::updateRowExists

(

$

key

)

Helper function: check if the given key is present in the updatelog table.

Obviously, only use this for updates that occur after the updatelog table was created!

Parameters:

string

$key

Name of the key to check for

Returns:

bool

Definition at line 465 of file DatabaseUpdater.php.

Referenced by MysqlUpdater\doCategoryPopulation(), MysqlUpdater\doClFieldsUpdate(), MysqlUpdater\doPopulateParentId(), MysqlUpdater\doUpdateMimeMinorField(), SqliteUpdater\sqliteInitialIndexes(), and SqliteUpdater\sqliteSetupSearchindex().

DatabaseUpdater::writeSchemaUpdateFile

(

$

schemaUpdate = array()

)

[private]

Since:

1.21

Writes the schema updates desired to a file for the DB Admin to run.

Definition at line 355 of file DatabaseUpdater.php.

References $updates, array(), and as.

Referenced by doUpdates().

---

Member Data Documentation

DatabaseBase DatabaseUpdater::$db [protected]

Handle to the database subclass.

Reimplemented in OracleUpdater, and PostgresUpdater.

Definition at line 56 of file DatabaseUpdater.php.

array DatabaseUpdater::$extensionUpdates = array() [protected]

List of extension-provided database updates.

Definition at line 50 of file DatabaseUpdater.php.

Filehandle DatabaseUpdater::$fileHandle = null [protected]

File handle for SQL output.

Definition at line 77 of file DatabaseUpdater.php.

DatabaseUpdater::$postDatabaseUpdateMaintenance [protected]

Initial value:

 array(
                'DeleteDefaultMessages',
                'PopulateRevisionLength',
                'PopulateRevisionSha1',
                'PopulateImageSha1',
                'FixExtLinksProtocolRelative',
                'PopulateFilearchiveSha1',
        )

Scripts to run after database update Should be a subclass of LoggedUpdateMaintenance.

Definition at line 64 of file DatabaseUpdater.php.

DatabaseUpdater::$shared = false [protected]

Definition at line 58 of file DatabaseUpdater.php.

bool DatabaseUpdater::$skipSchema = false [protected]

Flag specifying whether or not to skip schema (e.g.

SQL-only) updates.

Definition at line 83 of file DatabaseUpdater.php.

array DatabaseUpdater::$updates = array() [protected]

Array of updates to perform on the database.

Definition at line 39 of file DatabaseUpdater.php.

Referenced by PostgresUpdater\getOldGlobalUpdates(), and writeSchemaUpdateFile().

array DatabaseUpdater::$updatesSkipped = array() [protected]

Array of updates that were skipped.

Definition at line 45 of file DatabaseUpdater.php.

DatabaseUpdater::$wgContentHandlerUseDB = true [protected]

Hold the value of $wgContentHandlerUseDB during the upgrade.

Definition at line 88 of file DatabaseUpdater.php.

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

• includes/installer/DatabaseUpdater.php