Sphinx\SphinxClient::setSelect PHP Method

    public function setSelect($select)
    {
        if (!is_string($select)) {
            throw new \InvalidArgumentException('Select list must be a string.');
        }
        $this->select = $select;
        return $this;
    }

 public function testSetSelect()
 {
     $sphinx = new SphinxClient();
     $sphinx->setSelect('*, @weight + 10 as myweight');
     $this->assertSame($sphinx->select, '*, @weight + 10 as myweight');
 }