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

public Schema::addField($table, $field, $spec, $keys_new = array())

public Schema::prepareComment($comment, $length = NULL)

MySQL implementation of

SQLite implementation of \Drupal\Core\Database\Connection

protected Schema::introspectSchema($table)

protected Schema::buildTableNameCondition($table_name, $operator = '='

public Connection::serialize()

public Connection::databaseType()

Driver-specific error code for "Unknown character set" error. File core/lib/Drupal/Core/Database/Dri