Think\Db\Builder::select PHP Метод

    public function select($options = [])
    {
        $sql = str_replace(['%TABLE%', '%DISTINCT%', '%FIELD%', '%JOIN%', '%WHERE%', '%GROUP%', '%HAVING%', '%ORDER%', '%LIMIT%', '%UNION%', '%LOCK%', '%COMMENT%', '%FORCE%'], [$this->parseTable($options['table'], $options), $this->parseDistinct($options['distinct']), $this->parseField($options['field'], $options), $this->parseJoin($options['join'], $options), $this->parseWhere($options['where'], $options), $this->parseGroup($options['group']), $this->parseHaving($options['having']), $this->parseOrder($options['order'], $options), $this->parseLimit($options['limit']), $this->parseUnion($options['union']), $this->parseLock($options['lock']), $this->parseComment($options['comment']), $this->parseForce($options['force'])], $this->selectSql);
        return $sql;
    }