ActiveRecord\Table::options_to_sql PHP Method

    public function options_to_sql($options)
    {
        $table = array_key_exists('from', $options) ? $options['from'] : $this->get_fully_qualified_table_name();
        $sql = new SQLBuilder($this->conn, $table);
        if (array_key_exists('joins', $options)) {
            $sql->joins($this->create_joins($options['joins']));
            // by default, an inner join will not fetch the fields from the joined table
            if (!array_key_exists('select', $options)) {
                $options['select'] = $this->get_fully_qualified_table_name() . '.*';
            }
        }
        if (array_key_exists('select', $options)) {
            $sql->select($options['select']);
        }
        if (array_key_exists('conditions', $options)) {
            if (!is_hash($options['conditions'])) {
                if (is_string($options['conditions'])) {
                    $options['conditions'] = array($options['conditions']);
                }
                call_user_func_array(array($sql, 'where'), $options['conditions']);
            } else {
                if (!empty($options['mapped_names'])) {
                    $options['conditions'] = $this->map_names($options['conditions'], $options['mapped_names']);
                }
                $sql->where($options['conditions']);
            }
        }
        if (array_key_exists('order', $options)) {
            $sql->order($options['order']);
        }
        if (array_key_exists('limit', $options)) {
            $sql->limit($options['limit']);
        }
        if (array_key_exists('offset', $options)) {
            $sql->offset($options['offset']);
        }
        if (array_key_exists('group', $options)) {
            $sql->group($options['group']);
        }
        if (array_key_exists('having', $options)) {
            $sql->having($options['having']);
        }
        return $sql;
    }