public function toString()
{
$string = $this->type . ' ' . $this->database->quoteIdentifier($this->table) . ' ';
if ($this->alias) {
$string .= 'AS ' . $this->database->quoteIdentifier($this->alias) . ' ';
}
$string .= $this->relation . ' (' . $this->condition . ')';
return $string;
}
/**
* @param $row
*
* @return array
*/
protected function filterColumns($row, $stripPrimary = false)
{
$columns = $this->database->getFields($this->table);
if ($stripPrimary) {
$columns = array_filter($columns, function ($column) {
if ($this->database->primaryKey($this->table) == $column) {
return false;
} else {
return true;
}
});
}
return array_intersect_key($row, array_flip($columns));
}
/**
* @param $identifier
*
* @return string
*/
protected function quoteIdentifier($identifier)
{
return $this->database->quoteIdentifier($identifier);
}