class Update

General class for an abstracted UPDATE operation.

Hierarchy

• class \Drupal\Core\Database\Query\Query implements PlaceholderInterface
  • class \Drupal\Core\Database\Query\Update implements ConditionInterface uses QueryConditionTrait

Related topics

Database abstraction layer

Allow the use of different database servers using the same code base.

File

core/lib/Drupal/Core/Database/Query/Update.php, line 13

Namespace

Drupal\Core\Database\Query

Members

Name	Modifiers	Type	Description
Query::$comments	protected	property	An array of comments that can be prepended to a query.
Query::$connection	protected	property	The connection object on which to run this query.
Query::$connectionKey	protected	property	The key of the connection object.
Query::$connectionTarget	protected	property	The target of the connection object.
Query::$nextPlaceholder	protected	property	The placeholder counter.
Query::$queryOptions	protected	property	The query options to pass on to the connection object.
Query::$uniqueIdentifier	protected	property	A unique identifier for this query object.
Query::comment	public	function	Adds a comment to the query.
Query::getComments	public	function	Returns a reference to the comments array for the query.
Query::nextPlaceholder	public	function	Gets the next placeholder value for this query object. Overrides PlaceholderInterface::nextPlaceholder
Query::uniqueIdentifier	public	function	Returns a unique identifier for this object. Overrides PlaceholderInterface::uniqueIdentifier
Query::__clone	public	function	Implements the magic __clone function.
Query::__sleep	public	function	Implements the magic __sleep function to disconnect from the database.
Query::__wakeup	public	function	Implements the magic __wakeup function to reconnect to the database.
QueryConditionTrait::$condition	protected	property	The condition object for this query.
QueryConditionTrait::andConditionGroup	public	function	Creates a new group of conditions ANDed together. Overrides ConditionInterface::andConditionGroup
QueryConditionTrait::arguments	public	function	Gets a complete list of all values to insert into the prepared statement. Overrides ConditionInterface::arguments
QueryConditionTrait::compile	public	function	Compiles the saved conditions for later retrieval. Overrides ConditionInterface::compile
QueryConditionTrait::compiled	public	function	Check whether a condition has been previously compiled. Overrides ConditionInterface::compiled
QueryConditionTrait::condition	public	function	Helper function: builds the most common conditional clauses. Overrides ConditionInterface::condition
QueryConditionTrait::conditionGroupFactory	public	function	Creates an object holding a group of conditions. Overrides ConditionInterface::conditionGroupFactory
QueryConditionTrait::conditions	public	function	Gets a complete list of all conditions in this conditional clause. Overrides ConditionInterface::conditions
QueryConditionTrait::exists	public	function	Sets a condition that the specified subquery returns values. Overrides ConditionInterface::exists
QueryConditionTrait::isNotNull	public	function	Sets a condition that the specified field be NOT NULL. Overrides ConditionInterface::isNotNull
QueryConditionTrait::isNull	public	function	Sets a condition that the specified field be NULL. Overrides ConditionInterface::isNull
QueryConditionTrait::notExists	public	function	Sets a condition that the specified subquery returns no values. Overrides ConditionInterface::notExists
QueryConditionTrait::orConditionGroup	public	function	Creates a new group of conditions ORed together. Overrides ConditionInterface::orConditionGroup
QueryConditionTrait::where	public	function	Adds an arbitrary WHERE clause to the query. Overrides ConditionInterface::where
Update::$arguments	protected	property	An array of values to update to.
Update::$expressionFields	protected	property	Array of fields to update to an expression in case of a duplicate record.
Update::$fields	protected	property	An array of fields that will be updated.
Update::$table	protected	property	The table to update.
Update::execute	public	function	Executes the UPDATE query. Overrides Query::execute
Update::expression	public	function	Specifies fields to be updated as an expression.
Update::fields	public	function	Adds a set of field->value pairs to be updated.
Update::__construct	public	function	Constructs an Update query object. Overrides Query::__construct
Update::__toString	public	function	Implements PHP magic __toString method to convert the query to a string. Overrides Query::__toString