/**
* read
*
* @param string|int $id
*
* @return string
*/
public function read($id)
{
// Get the session data from the database table.
$query = $this->db->getQuery(true);
$query->select($this->db->quoteName($this->options['data_col']))->from($this->db->quoteName($this->options['table']))->where($this->db->quoteName($this->options['id_col']) . ' = ' . $this->db->quote($id));
$this->db->setQuery($query);
return (string) $this->db->loadResult();
}
/**
* Validate that the primary key has been set.
*
* @return boolean True if the primary key(s) have been set.
*
* @since 2.0
*/
public function hasPrimaryKey()
{
if ($this->autoIncrement) {
$empty = true;
foreach ($this->keys as $key) {
$empty = $empty && !$this->{$key};
}
} else {
$query = $this->db->getQuery(true);
$query->select('COUNT(*)')->from($this->table);
$this->appendPrimaryKeys($query);
$this->db->setQuery($query);
$count = $this->db->loadResult();
if ($count == 1) {
$empty = false;
} else {
$empty = true;
}
}
return !$empty;
}
