class Condition in Drupal 8

Defines the condition class for the null entity query.

Hierarchy

• class \Drupal\Core\Entity\Query\ConditionFundamentals
  • class \Drupal\Core\Entity\Query\ConditionBase implements ConditionInterface
    • class \Drupal\Core\Entity\Query\Null\Condition

6 string references to 'Condition'

ConditionAggregate::compile in core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php

Compiles this conditional clause.

Connection::condition in core/lib/Drupal/Core/Database/Connection.php

Prepares and returns a CONDITION query object.

Connection::getDriverClass in core/lib/Drupal/Core/Database/Connection.php

Gets the driver-specific override class if any for the specified class.

core.data_types.schema.yml in core/config/schema/core.data_types.schema.yml

core/config/schema/core.data_types.schema.yml

LoggedStatementsTrait::getDriverClass in core/modules/system/tests/modules/database_statement_monitoring_test/src/LoggedStatementsTrait.php

... See full list

File

core/lib/Drupal/Core/Entity/Query/Null/Condition.php, line 10

Namespace

Drupal\Core\Entity\Query\Null

class Condition extends ConditionBase {

  /**
   * {@inheritdoc}
   */
  public function compile($query) {
  }

  /**
   * {@inheritdoc}
   */
  public function exists($field, $langcode = NULL) {
    return $this
      ->condition($field, NULL, 'IS NOT NULL', $langcode);
  }

  /**
   * {@inheritdoc}
   */
  public function notExists($field, $langcode = NULL) {
    return $this
      ->condition($field, NULL, 'IS NULL', $langcode);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Condition::compile	public	function	Compiles this conditional clause. Overrides ConditionInterface::compile
Condition::exists	public	function	Queries for the existence of a field. Overrides ConditionInterface::exists
Condition::notExists	public	function	Queries for the nonexistence of a field. Overrides ConditionInterface::notExists
ConditionBase::condition	public	function	Adds a condition. Overrides ConditionInterface::condition
ConditionFundamentals::$conditions	protected	property	Array of conditions.
ConditionFundamentals::$conjunction	protected	property	The conjunction of this condition group. The value is one of the following:
ConditionFundamentals::$namespaces	protected	property	List of potential namespaces of the classes belonging to this condition.
ConditionFundamentals::$query	protected	property	The query this condition belongs to.	1
ConditionFundamentals::conditions	public	function
ConditionFundamentals::count	public	function
ConditionFundamentals::getConjunction	public	function
ConditionFundamentals::__clone	public	function	Implements the magic __clone function.
ConditionFundamentals::__construct	public	function	Constructs a Condition object.