/**
* innerJoin('table1')->on('table0.id=table1.id') => "INNER JOIN table1 ON table0.id=table1.id"
* @param string $table
* @return \phprs\ezsql\rules\select\JoinOnRule
*/
public function innerJoin($table)
{
JoinImpl::join($this->context, 'INNER', $table);
return new JoinOnRule($this->context);
}