Class for setting up the MediaWiki database using Postgres. More...

Inheritance diagram for PostgresInstaller:

Collaboration diagram for PostgresInstaller:

[legend]

Public Member Functions
	commitChanges ()

	createTables ()
	Create database tables from scratch. More...

	getConnectForm ()
	Get HTML for a web form that configures this database. More...

	getConnection ()
	Connect to the database using the administrative user/password currently defined in the session. More...

	getLocalSettings ()
	Get the DBMS-specific options for LocalSettings.php generation. More...

	getName ()
	Return the internal name, e.g. More...

	getSettingsForm ()
	Get HTML for a web form that retrieves settings used for installation. More...

	isCompiled ()

	openConnection ()
	Open a connection to the database using the administrative user/password currently defined in the session, without any caching. More...

	openConnectionToAnyDB ( $user, $password)

	preInstall ()
	Allow DB installers a chance to make last-minute changes before installation occurs. More...

	preUpgrade ()
	Allow DB installers a chance to make checks before upgrade. More...

	setupDatabase ()
	Create the database and return a Status object indicating success or failure. More...

	setupPLpgSQL ()

	setupSchema ()

	setupUser ()

	submitConnectForm ()
	Set variables based on the request array, assuming it was submitted via the form returned by getConnectForm(). More...

	submitSettingsForm ()
	Set variables based on the request array, assuming it was submitted via the form return by getSettingsForm(). More...

Public Member Functions inherited from DatabaseInstaller
	__construct ( $parent)
	Construct and initialise parent. More...

	checkPrerequisites ()
	Checks for installation prerequisites other than those checked by isCompiled() More...

	createExtensionTables ()
	Create the tables for each extension the user enabled. More...

	doUpgrade ()
	Perform database upgrades. More...

	enableLB ()
	Set up LBFactory so that wfGetDB() etc. More...

	getCheckBox ( $var, $label, $attribs=array(), $helpData="")
	Get a labelled checkbox to configure a local boolean variable. More...

	getGlobalDefaults ()
	Get a name=>value map of MW configuration globals that overrides. More...

	getGlobalNames ()
	Get an array of MW configuration globals that will be configured by this class. More...

	getInstallUserBox ()
	Get a standard install-user fieldset. More...

	getInternalDefaults ()
	Get a name=>value map of internal variables used during installation. More...

	getPasswordBox ( $var, $label, $attribs=array(), $helpData="")
	Get a labelled password box to configure a local variable. More...

	getRadioSet ( $params)
	Get a set of labelled radio buttons. More...

	getReadableName ()
	Get the internationalised name for this DBMS. More...

	getSchemaVars ()
	Override this to provide DBMS-specific schema variables, to be substituted into tables.sql and other schema files. More...

	getTextBox ( $var, $label, $attribs=array(), $helpData="")
	Get a labelled text box to configure a local variable. More...

	getVar ( $var, $default=null)
	Get a variable, taking local defaults into account. More...

	getWebUserBox ( $noCreateMsg=false)
	Get a standard web-user fieldset. More...

	needsUpgrade ()
	Determine whether an existing installation of MediaWiki is present in the configured administrative connection. More...

	outputHandler ( $string)

	populateInterwikiTable ()
	Common function for databases that don't understand the MySQLish syntax of interwiki.sql. More...

	setupSchemaVars ()
	Set appropriate schema variables in the current database connection. More...

	setVar ( $name, $value)
	Convenience alias for $this->parent->setVar() More...

	setVarsFromRequest ( $varNames)
	Convenience function to set variables based on form data. More...

	submitInstallUserBox ()
	Submit a standard install user fieldset. More...

	submitWebUserBox ()
	Submit the form from getWebUserBox(). More...

Public Attributes
	$maxRoleSearchDepth = 5

	$minimumVersion = '8.3'

Public Attributes inherited from DatabaseInstaller
DatabaseBase	$db = null
	The database connection. More...

WebInstaller	$parent
	The Installer object. More...

Protected Member Functions
	canCreateAccounts ()

	canCreateObjectsForWebUser ()
	Returns true if the install user is able to create objects owned by the web user, false otherwise. More...

	getInstallUserPermissions ()

	getPgConnection ( $type)
	Get a special type of connection. More...

	isRoleMember ( $conn, $targetMember, $group, $maxDepth)
	Recursive helper for canCreateObjectsForWebUser(). More...

	isSuperUser ()

	openConnectionWithParams ( $user, $password, $dbName)
	Open a PG connection with given parameters. More...

	openPgConnection ( $type)
	Get a connection of a specific PostgreSQL-specific type. More...

Protected Attributes
	$globalNames

	$internalDefaults

	$pgConns = array()

Protected Attributes inherited from DatabaseInstaller
array	$globalNames = array()
	Array of MW configuration globals this class uses. More...

array	$internalDefaults = array()
	Internal variables for installation. More...

Additional Inherited Members
Static Protected Member Functions inherited from DatabaseInstaller
static	checkExtension ( $name)
	Convenience function. More...

Detailed Description

Class for setting up the MediaWiki database using Postgres.

Since: 1.17

Definition at line 30 of file PostgresInstaller.php.

Member Function Documentation

◆ canCreateAccounts()

PostgresInstaller::canCreateAccounts ( )

protected

Definition at line 302 of file PostgresInstaller.php.

References getInstallUserPermissions().

Referenced by getSettingsForm(), and submitSettingsForm().

◆ canCreateObjectsForWebUser()

PostgresInstaller::canCreateObjectsForWebUser ( )

protected

Returns true if the install user is able to create objects owned by the web user, false otherwise.

Returns: bool

Definition at line 397 of file PostgresInstaller.php.

References array(), getPgConnection(), DatabaseInstaller\getVar(), isRoleMember(), and isSuperUser().

Referenced by submitSettingsForm().

◆ commitChanges()

PostgresInstaller::commitChanges ( )

Definition at line 521 of file PostgresInstaller.php.

References Status\newGood().

◆ createTables()

PostgresInstaller::createTables ( )

Create database tables from scratch.

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 583 of file PostgresInstaller.php.

References $error, DatabaseInstaller\enableLB(), getConnection(), and DatabaseInstaller\getVar().

◆ getConnectForm()

PostgresInstaller::getConnectForm ( )

Get HTML for a web form that configures this database.

Configuration at this time should be the minimum needed to connect and test whether install or upgrade is required.

If this is called, $this->parent can be assumed to be a WebInstaller.

Reimplemented from DatabaseInstaller.

Definition at line 58 of file PostgresInstaller.php.

References array(), Html\closeElement(), Html\element(), DatabaseInstaller\getInstallUserBox(), DatabaseInstaller\getTextBox(), Html\openElement(), text, and wfMessage().

◆ getConnection()

PostgresInstaller::getConnection ( )

Connect to the database using the administrative user/password currently defined in the session.

Returns a status object. On success, the status object will contain a Database object in its value member.

This will return a cached connection if one is available.

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 137 of file PostgresInstaller.php.

References getPgConnection().

Referenced by createTables().

◆ getInstallUserPermissions()

PostgresInstaller::getInstallUserPermissions ( )

protected

Definition at line 285 of file PostgresInstaller.php.

References array(), getPgConnection(), and DatabaseInstaller\getVar().

Referenced by canCreateAccounts(), and isSuperUser().

◆ getLocalSettings()

PostgresInstaller::getLocalSettings ( )

Get the DBMS-specific options for LocalSettings.php generation.

Returns: String

Reimplemented from DatabaseInstaller.

Definition at line 565 of file PostgresInstaller.php.

References DatabaseInstaller\getVar().

◆ getName()

PostgresInstaller::getName ( )

Return the internal name, e.g.

'mysql', or 'sqlite'.

Reimplemented from DatabaseInstaller.

Definition at line 50 of file PostgresInstaller.php.

◆ getPgConnection()

PostgresInstaller::getPgConnection ( $type )

protected

Get a special type of connection.

Parameters

string $type See openPgConnection() for details.

Returns: Status

Definition at line 179 of file PostgresInstaller.php.

References $type, DBO_TRX, Status\newGood(), and openPgConnection().

Referenced by canCreateObjectsForWebUser(), getConnection(), getInstallUserPermissions(), setupDatabase(), setupPLpgSQL(), setupSchema(), setupUser(), submitConnectForm(), and submitSettingsForm().

◆ getSettingsForm()

PostgresInstaller::getSettingsForm ( )

Get HTML for a web form that retrieves settings used for installation.

$this->parent can be assumed to be a WebInstaller. If the DB type has no settings beyond those already configured with getConnectForm(), this should return false.

Returns: bool

Reimplemented from DatabaseInstaller.

Definition at line 320 of file PostgresInstaller.php.

References $s, canCreateAccounts(), and DatabaseInstaller\getWebUserBox().

◆ isCompiled()

PostgresInstaller::isCompiled ( )

Returns: bool Returns true if the client library is compiled in.

Reimplemented from DatabaseInstaller.

Definition at line 54 of file PostgresInstaller.php.

References DatabaseInstaller\checkExtension().

◆ isRoleMember()

PostgresInstaller::isRoleMember	(	$conn,
		$targetMember,
		$group,
		$maxDepth
	)

protected

Recursive helper for canCreateObjectsForWebUser().

Parameters

	$conn	DatabaseBase object
int	$targetMember	Role ID of the member to look for
int	$group	Role ID of the group to look for
int	$maxDepth	Maximum recursive search depth

Returns: bool

Definition at line 423 of file PostgresInstaller.php.

References $res, array(), and as.

Referenced by canCreateObjectsForWebUser().

◆ isSuperUser()

PostgresInstaller::isSuperUser ( )

protected

Definition at line 311 of file PostgresInstaller.php.

References getInstallUserPermissions().

Referenced by canCreateObjectsForWebUser(), and setupUser().

◆ openConnection()

PostgresInstaller::openConnection ( )

Open a connection to the database using the administrative user/password currently defined in the session, without any caching.

Returns a status object. On success, the status object will contain a Database object in its value member.

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 146 of file PostgresInstaller.php.

References openPgConnection().

◆ openConnectionToAnyDB()

PostgresInstaller::openConnectionToAnyDB	(	$user,
		$password
	)

Definition at line 252 of file PostgresInstaller.php.

References DatabaseInstaller\$db, $error, $password, $user, array(), as, DatabaseInstaller\getVar(), and Status\newGood().

Referenced by openPgConnection(), and submitSettingsForm().

◆ openConnectionWithParams()

PostgresInstaller::openConnectionWithParams	(	$user,
		$password,
		$dbName
	)

protected

Open a PG connection with given parameters.

Parameters

string	$user	User name
string	$password	Password
string	$dbName	Database name

Returns: Status

Definition at line 157 of file PostgresInstaller.php.

References DatabaseInstaller\$db, $e, $password, $user, DatabaseInstaller\getVar(), and Status\newGood().

Referenced by openPgConnection().

◆ openPgConnection()

PostgresInstaller::openPgConnection ( $type )

protected

Get a connection of a specific PostgreSQL-specific type.

Connections of a given type are cached.

PostgreSQL lacks cross-database operations, so after the new database is created, you need to make a separate connection to connect to that database and add tables to it.

New tables are owned by the user that creates them, and MediaWiki's PostgreSQL support has always assumed that the table owner will be $wgDBuser. So before we create new tables, we either need to either connect as the other user or to execute a SET ROLE command. Using a separate connection for this allows us to avoid accidental cross-module dependencies.

Parameters

string

$type

The type of connection to get:

create-db: A connection for creating DBs, suitable for pre- installation.
create-schema: A connection to the new DB, for creating schemas and other similar objects in the new DB.
create-tables: A connection with a role suitable for creating tables.

Exceptions

MWException

Returns: Status object. On success, a connection object will be in the value member.

Definition at line 224 of file PostgresInstaller.php.

References $type, DatabaseInstaller\getVar(), openConnectionToAnyDB(), and openConnectionWithParams().

Referenced by getPgConnection(), and openConnection().

◆ preInstall()

PostgresInstaller::preInstall ( )

Allow DB installers a chance to make last-minute changes before installation occurs.

This happens before setupDatabase() or createTables() is called, but long after the constructor. Helpful for things like modifying setup steps :)

Reimplemented from DatabaseInstaller.

Definition at line 449 of file PostgresInstaller.php.

References array(), and DatabaseInstaller\getVar().

◆ preUpgrade()

PostgresInstaller::preUpgrade ( )

Allow DB installers a chance to make checks before upgrade.

Reimplemented from DatabaseInstaller.

Definition at line 574 of file PostgresInstaller.php.

References DatabaseInstaller\getVar(), and global.

◆ setupDatabase()

PostgresInstaller::setupDatabase ( )

Create the database and return a Status object indicating success or failure.

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 475 of file PostgresInstaller.php.

References array(), getPgConnection(), DatabaseInstaller\getVar(), and Status\newGood().

◆ setupPLpgSQL()

PostgresInstaller::setupPLpgSQL ( )

Definition at line 626 of file PostgresInstaller.php.

References $e, array(), getPgConnection(), DatabaseInstaller\getVar(), Status\newFatal(), and Status\newGood().

◆ setupSchema()

PostgresInstaller::setupSchema ( )

Definition at line 494 of file PostgresInstaller.php.

References $e, getPgConnection(), DatabaseInstaller\getVar(), Status\newFatal(), and Status\newGood().

◆ setupUser()

PostgresInstaller::setupUser ( )

Definition at line 527 of file PostgresInstaller.php.

References $e, getPgConnection(), DatabaseInstaller\getVar(), isSuperUser(), Status\newFatal(), and Status\newGood().

◆ submitConnectForm()

PostgresInstaller::submitConnectForm ( )

Set variables based on the request array, assuming it was submitted via the form returned by getConnectForm().

Validate the connection settings by attempting to connect with them.

If this is called, $this->parent can be assumed to be a WebInstaller.

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 84 of file PostgresInstaller.php.

References $version, array(), getPgConnection(), DatabaseInstaller\getVar(), Status\newFatal(), Status\newGood(), DatabaseInstaller\setVar(), DatabaseInstaller\setVarsFromRequest(), and DatabaseInstaller\submitInstallUserBox().

◆ submitSettingsForm()

PostgresInstaller::submitSettingsForm ( )

Set variables based on the request array, assuming it was submitted via the form return by getSettingsForm().

Returns: Status

Reimplemented from DatabaseInstaller.

Definition at line 331 of file PostgresInstaller.php.

References canCreateAccounts(), canCreateObjectsForWebUser(), getPgConnection(), DatabaseInstaller\getVar(), Status\newFatal(), Status\newGood(), openConnectionToAnyDB(), DatabaseInstaller\setVar(), and DatabaseInstaller\submitWebUserBox().

Member Data Documentation

◆ $globalNames

PostgresInstaller::$globalNames

protected

Initial value:

= array(
        'wgDBserver',
        'wgDBport',
        'wgDBname',
        'wgDBuser',
        'wgDBpassword',
        'wgDBmwschema',
    )

Definition at line 32 of file PostgresInstaller.php.

◆ $internalDefaults

PostgresInstaller::$internalDefaults

protected

Initial value:

= array(
        '_InstallUser' => 'postgres',
    )

Definition at line 41 of file PostgresInstaller.php.

◆ $maxRoleSearchDepth

PostgresInstaller::$maxRoleSearchDepth = 5

Definition at line 46 of file PostgresInstaller.php.

◆ $minimumVersion

PostgresInstaller::$minimumVersion = '8.3'

Definition at line 45 of file PostgresInstaller.php.

◆ $pgConns

PostgresInstaller::$pgConns = array()

protected

Definition at line 48 of file PostgresInstaller.php.

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

includes/installer/PostgresInstaller.php

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ canCreateAccounts()

◆ canCreateObjectsForWebUser()

◆ commitChanges()

◆ createTables()

◆ getConnectForm()

◆ getConnection()

◆ getInstallUserPermissions()

◆ getLocalSettings()

◆ getName()

◆ getPgConnection()

◆ getSettingsForm()

◆ isCompiled()

◆ isRoleMember()

◆ isSuperUser()

◆ openConnection()

◆ openConnectionToAnyDB()

◆ openConnectionWithParams()

◆ openPgConnection()

◆ preInstall()

◆ preUpgrade()

◆ setupDatabase()

◆ setupPLpgSQL()

◆ setupSchema()

◆ setupUser()

◆ submitConnectForm()

◆ submitSettingsForm()

Member Data Documentation

◆ $globalNames

◆ $internalDefaults

◆ $maxRoleSearchDepth

◆ $minimumVersion

◆ $pgConns