src/PicORM/QueryBuilder.php
public function select($field)
    {
        $this->_queryType = self :: SELECT;
        if (!is_array($field)) {
            $field = array($field);
        }
        $this->_select = array_merge($this->_select, $field);

        return $this;
    }
public function select($field)
    {
        $this->_queryType = self :: SELECT;
        if (!is_array($field)) {
            $field = array($field);
        }
        $this->_select = array_merge($this->_select, $field);

        return $this;
    }
Add field to select

@param $field

@return $this