Delete.php

Same filename in this branch
  1. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Delete.php
  2. 11.x core/modules/mysql/src/Driver/Database/mysql/Delete.php
  3. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Delete.php
  4. 11.x core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Delete.php
Same filename in other branches
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Delete.php
  2. 9 core/modules/mysql/src/Driver/Database/mysql/Delete.php
  3. 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Delete.php
  4. 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Delete.php
  5. 9 core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Delete.php
  6. 9 core/modules/pgsql/src/Driver/Database/pgsql/Delete.php
  7. 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Delete.php
  8. 9 core/lib/Drupal/Core/Database/Driver/pgsql/Delete.php
  9. 9 core/lib/Drupal/Core/Database/Query/Delete.php
  10. 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/Delete.php
  11. 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestPgsql/Delete.php
  12. 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Delete.php
  13. 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Delete.php
  14. 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Delete.php
  15. 8.9.x core/lib/Drupal/Core/Database/Query/Delete.php
  16. 10 core/modules/sqlite/src/Driver/Database/sqlite/Delete.php
  17. 10 core/modules/mysql/src/Driver/Database/mysql/Delete.php
  18. 10 core/modules/pgsql/src/Driver/Database/pgsql/Delete.php
  19. 10 core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Delete.php
  20. 10 core/lib/Drupal/Core/Database/Driver/pgsql/Delete.php
  21. 10 core/lib/Drupal/Core/Database/Query/Delete.php

Namespace

Drupal\Core\Database\Query

File

core/lib/Drupal/Core/Database/Query/Delete.php

View source
<?php

namespace Drupal\Core\Database\Query;

use Drupal\Core\Database\Connection;

/**
 * General class for an abstracted DELETE operation.
 *
 * @ingroup database
 */
class Delete extends Query implements ConditionInterface {
    use QueryConditionTrait;
    
    /**
     * The table from which to delete.
     *
     * @var string
     */
    protected $table;
    
    /**
     * Constructs a Delete object.
     *
     * @param \Drupal\Core\Database\Connection $connection
     *   A Connection object.
     * @param string $table
     *   Name of the table to associate with this query.
     * @param array $options
     *   Array of database options.
     */
    public function __construct(Connection $connection, $table, array $options = []) {
        parent::__construct($connection, $options);
        $this->table = $table;
        $this->condition = $this->connection
            ->condition('AND');
    }
    
    /**
     * Executes the DELETE query.
     *
     * @return int
     *   The number of rows affected by the delete query.
     */
    public function execute() {
        $values = [];
        if (count($this->condition)) {
            $this->condition
                ->compile($this->connection, $this);
            $values = $this->condition
                ->arguments();
        }
        $stmt = $this->connection
            ->prepareStatement((string) $this, $this->queryOptions, TRUE);
        try {
            $stmt->execute($values, $this->queryOptions);
            return $stmt->rowCount();
        } catch (\Exception $e) {
            $this->connection
                ->exceptionHandler()
                ->handleExecutionException($e, $stmt, $values, $this->queryOptions);
        }
    }
    
    /**
     * Implements PHP magic __toString method to convert the query to a string.
     *
     * @return string
     *   The prepared statement.
     */
    public function __toString() {
        // Create a sanitized comment string to prepend to the query.
        $comments = $this->connection
            ->makeComment($this->comments);
        $query = $comments . 'DELETE FROM {' . $this->connection
            ->escapeTable($this->table) . '} ';
        if (count($this->condition)) {
            $this->condition
                ->compile($this->connection, $this);
            $query .= "\nWHERE " . $this->condition;
        }
        return $query;
    }

}

Classes

Title Deprecated Summary
Delete General class for an abstracted DELETE operation.

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