Represents a prepared statement. Child implementations should either extend PDOStatement:

public StatementInterface::fetchObject()

public StatementInterface::fetchField($index = 0)

StatementInterface::fetchAll($mode = NULL, $column_index =

public StatementInterface::fetchAllAssoc($key, $fetch = NULL)

public StatementInterface::fetchAssoc()

public StatementInterface::setFetchMode($mode, $a1 = NULL

public StatementInterface::getQueryString()

public StatementInterface::fetch($mode = NULL, $cursor_orientation

public StatementInterface::rowCount()