/**
* Returns the SQL representation of the provided query after generating
* the placeholders for the bound values using the provided generator
*
* @param Query $query The query that is being compiled
* @param ValueBinder $generator the placeholder generator to be used in expressions
* @return \Closure
*/
public function compile(Query $query, ValueBinder $generator)
{
$sql = '';
$type = $query->type();
$query->traverse($this->_sqlCompiler($sql, $query, $generator), $this->{'_' . $type . 'Parts'});
return $sql;
}
