General class for an abstracted DELETE operation.
Hierarchy
- class \Drupal\Core\Database\Query\Query implements PlaceholderInterface
- class \Drupal\Core\Database\Query\Delete 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/Delete.php, line 13
Namespace
Drupal\Core\Database\Query
Members
| Name | Modifiers | Type | Description |
|---|---|---|---|
| Delete::$table | protected | property | The table from which to delete. |
| Delete::execute | public | function | Executes the DELETE query. Overrides Query::execute |
| Delete::__construct | public | function | Constructs a Delete object. Overrides Query::__construct |
| Delete::__toString | public | function | Implements PHP magic __toString method to convert the query to a string. Overrides Query::__toString |
| Query::$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 |
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