Maximum length of a column comment in MySQL. File core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

The name of the PDO driver this database type requires. Type: string Overrides

public Connection::prepareQuery($query)

public Connection::queryTemporary($query, array $args = array()

protected Tasks::checkEngineVersion()

protected Schema::createFieldSql($name, $spec)

public Connection::nextIdDelete()

public Upsert::__toString() Implements

The PDO driver name for MySQL and equivalent databases. Type: string Overrides

public Truncate::__toString() Implements