function Connection::nextIdDelete
Same name in other branches
- 9 core/modules/mysql/src/Driver/Database/mysql/Connection.php \Drupal\mysql\Driver\Database\mysql\Connection::nextIdDelete()
- 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Connection.php \Drupal\Core\Database\Driver\mysql\Connection::nextIdDelete()
1 call to Connection::nextIdDelete()
- Connection::__destruct in core/
modules/ mysql/ src/ Driver/ Database/ mysql/ Connection.php
File
-
core/
modules/ mysql/ src/ Driver/ Database/ mysql/ Connection.php, line 364
Class
- Connection
- MySQL implementation of \Drupal\Core\Database\Connection.
Namespace
Drupal\mysql\Driver\Database\mysqlCode
public function nextIdDelete() {
@trigger_error(__METHOD__ . '() is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Modules should use instead the keyvalue storage for the last used id. See https://www.drupal.org/node/3349345', E_USER_DEPRECATED);
// While we want to clean up the table to keep it up from occupying too
// much storage and memory, we must keep the highest value in the table
// because InnoDB uses an in-memory auto-increment counter as long as the
// server runs. When the server is stopped and restarted, InnoDB
// re-initializes the counter for each table for the first INSERT to the
// table based solely on values from the table so deleting all values would
// be a problem in this case. Also, TRUNCATE resets the auto increment
// counter.
try {
$max_id = $this->query('SELECT MAX(value) FROM {sequences}')
->fetchField();
// We know we are using MySQL here, no need for the slower ::delete().
$this->query('DELETE FROM {sequences} WHERE value < :value', [
':value' => $max_id,
]);
} catch (DatabaseException $e) {
}
}
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