public Connection::pushTransaction($name) Increases

List of search values for use in prefixTables(). Type:

The current database logging object for this connection. Type: \Drupal\Core\Database\Log|null File

The schema object for this connection. Set to NULL when the schema is destroyed. Type: \Dr

public Connection::upsert($table, array $options = array())

An index used to generate unique temporary table names. Type: int File

The actual PDO connection. Type: \PDO File core/lib

Whether this database connection supports transactional DDL. Set to FALSE by default because few databases support this feature.

public Connection::destroy() Destroys

public Connection::transactionDepth() Determines