General class for an abstracted "Upsert" (UPDATE or INSERT) query operation. This class can only be used with a table with a single unique index

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

public Connection::queryRange($query, $from, $count, array $args

public Select::hasTag($tag) Determines

Query extender class for tablesort queries. Hierarchy class \Drupal\Core\Database\Query\

protected Tasks::fail($message) Assert

protected TableSortExtender::getQueryParameters()

public SelectExtender::notExists(SelectInterface $select)

public StatementPrefetch::fetchObject($class_name = NULL, $constructor_args

public RowCountException::__construct($message = NULL, $code