abstract class Tasks

Database installer structure.

Defines basic Drupal requirements for databases.

Name	Modifiers	Type	Description
Tasks::$pdoDriver	protected	property	The name of the PDO driver this database type requires.
Tasks::$results	protected	property	Results from tasks.
Tasks::$tasks	protected	property	Structure that describes each task to run.
Tasks::checkEngineVersion	protected	function	Check the engine version.
Tasks::connect	protected	function	Check if we can connect to the database.
Tasks::fail	protected	function	Assert test as failed.
Tasks::getFormOptions	public	function	Return driver specific configuration options.
Tasks::hasPdoDriver	protected	function	Ensure the PDO driver is supported by the version of PHP in use.
Tasks::installable	public	function	Check whether Drupal is installable on the database.
Tasks::minimumVersion	public	function	Return the minimum required version of the engine.
Tasks::name	abstract public	function	Return the human-readable name of the driver.
Tasks::pass	protected	function	Assert test as a pass.
Tasks::runTasks	public	function	Run database tasks and tests to see if Drupal can run on the database.
Tasks::runTestQuery	protected	function	Run SQL tests to ensure the database can execute commands with the current user.
Tasks::validateDatabaseSettings	public	function	Validates driver specific configuration settings.

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Install!Tasks.php/class/Tasks/8.1.x

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