* | SELECT * FROM UNNEST(ARRAY['value1','value2',...]) AS table_name(key_name)

* | SELECT * FROM UNNEST(ARRAY[1,2]) AS t(number)

* | SELECT * FROM UNNEST(
        map_from_entries(
            ARRAY[
                ('SQL',1974),
                ('Java', 1995)
            ]
        )
) AS t(language, first_appeared_year)

## 第一条原始日志
rsp_time: 0.004, 0.002
url: /demo/test1

## 第二条原始日志
rsp_time: 0.006, 0.008
url: /demo/test2

* | SELECT time,url
FROM (
  SELECT split(rsp_time,',') AS time_array,url
) t
CROSS JOIN UNNEST(time_array) AS t(time)

## 第一条原始日志
rsp_time: 0.004, 0.002
rsp_status: 200, 502
url: /demo/test1

## 第二条原始日志
rsp_time: 0.006, 0.008
rsp_status: 500, 404
url: /demo/test2

* | SELECT time,status,url
FROM (
  SELECT zip(split(rsp_time,','),split(rsp_status,',')) as data_array,url
) t
CROSS JOIN UNNEST(data_array) AS t(time,status)