【发布时间】:2018-10-24 06:33:41
【问题描述】:
我在大数据中写过这样的查询来显示平均会话。
select dd, mm, SUM(total_sessions) AS Total_Sessions, AVG(sess_length_seconds) AS Average_Session_Duration from (
SELECT dd, mm, user_pseudo_id, sess_id, MIN(min_time) sess_start, MAX(max_time) sess_end, COUNT(*) records,
MAX(sess_id) OVER(PARTITION BY user_pseudo_id) total_sessions,
(ROUND((MAX(max_time)-MIN(min_time))/(1000*1000),1)) sess_length_seconds
FROM (
SELECT *, SUM(session_start) OVER(PARTITION BY user_pseudo_id ORDER BY min_time) sess_id
FROM (
SELECT *, IF(previous IS null OR (min_time-previous) > (20*60*1000*1000), 1, 0) session_start
FROM (
SELECT *, LAG(max_time, 1) OVER(PARTITION BY user_pseudo_id ORDER BY max_time) previous
FROM (SELECT EXTRACT(MONTH FROM TIMESTAMP_MICROS(event_timestamp)) as mm, EXTRACT(DAY FROM TIMESTAMP_MICROS(event_timestamp)) as dd, user_pseudo_id, MIN(event_timestamp) AS min_time, MAX(event_timestamp) AS max_time
FROM `alive-ios.analytics_160092165.events_201810*`
GROUP BY mm, dd, user_pseudo_id)
)
)
)
GROUP BY 1, 2,3, 4
ORDER BY 1, 2
)
GROUP BY dd, mm
ORDER BY dd, mm desc
LIMIT 10
问题在于数据工作室,它只有“总和”或平均值等选项。因此,它始终显示组合结果,而不是显示单个行。我该怎么做才能显示单独的行?
【问题讨论】:
-
我对此进行了测试,至少对我来说效果很好。它没有总结它,因为它已经被聚合了。你能分享一下结果的屏幕截图吗?
标签: google-bigquery google-data-studio