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如何在第一個列爲NULL時提取數據,第二列通過Join命令與另一個表連接。我們如何在第一個空值時切換列
Select
competitions.name as "Competition",
to_char(to_date(date,'DY Mon DD YYYY'),'D.MM.YYYY') as "Date Aired",
case when home_team.name Is null then to_char(to_date(date,'DY Mon DD YYYY'),'MM-DD')||' '||video_jobs.event else
to_char(to_date(date,'DY Mon DD YYYY'),'MM-DD')||' '||Away_team.name||' '||'@'||' '||home_team.name end as "Title",
min(case when new_status_id = 19 then to_char(timestamp,'DD.MM.YY') end) as "Analysis Start date",
min(case when new_status_id = 13 then to_char(timestamp,'DD.MM.YY') end) as "Analysis Complete",
min(case when new_status_id = 9 then to_char(timestamp,'DD.MM.YY') end) as "Upload complete"
from video_jobs
Join job_statuses on video_jobs.status_id = job_statuses.id
join teams as Home_team on video_jobs.home_team_id = home_team.id
join teams as Away_team on video_jobs.away_team_id = Away_team.id
Join competitions on video_jobs.competition_id = competitions.id
Join video_job_status_history on video_jobs.id = video_job_status_history.video_job_id
Where video_jobs.id = 163887 --and video_jobs.market_id=9
-- and video_jobs.status_id != 32
group by
video_jobs.id,
competitions.name,
home_team.name,
您是否使用了ETL工具?如果是這樣,哪一個?如果沒有,你可以發佈你到目前爲止的SQL嗎?謝謝 –
你使用的是mysql還是postgresql?他們不是一回事。請僅添加實際適用於您問題的標籤,而不是隨意抓取看起來相似的東西。此處的標籤具有特定的定義(您可以在輸入時顯示的描述中看到該標記,或者在此處通過標記的tagwiki顯示)。使用適當的標籤可以幫助您找到最能夠幫助您的人,並將其正確分類給將來在這裏尋求幫助的用戶。謝謝。 –