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

public Schema::queryFieldInformation($table, $field)

public Delete::execute() Executes

public Tasks::__construct() Constructs

The name by which to obtain a lock for retrieve the next insert id. File core/lib/Drupal/Core/Databa

public Schema::dropUniqueKey($table, $name)

public Tasks::minimumVersion() Return

Tasks::checkBinaryOutput() Check

Schema::addUniqueKey($table, $name, $fields)

public Connection::prepareQuery($query)