public Connection::getDriverClass($class) Gets

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

public Connection::popTransaction($name) Decreases

SQLSTATE error code for "Syntax error or access rule violation". File core/lib/Drupal/Core/Database/

Whether this database connection supports transactions. Type: bool File

public SelectInterface::forUpdate($set = TRUE)

public &Query::getComments() Returns

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

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

public StatementPrefetch::fetchAssoc()