[英]Postgres column does not exist
其他人編寫了一個有效的SQL Server查詢,我的工作是將其移植到Postgres。
除了非常基本的SQL命令之外,我真的不了解任何一個數據庫(我正在按照本教程的方式進行工作,並且將繼續使用其中的一種方法,但是我希望盡快解決此問題)。
無論如何,我得到第4行中的錯誤
錯誤:timeloggedtoday.date_logged列不存在
我認為這來自第89行附近的部分(帶有**標記),但我不知道語法應該是什么-我已經嘗試從文檔中復制WITH / AS部分,但是我要么仍然犯錯誤,或者錯誤在其他地方。 下面可能有很多重復/冗長的代碼,但是我認為最好包含所有這些內容,因為當我更改為Postgres語法時,很容易引入其他錯誤。
編輯:
如果我刪除有問題的部分,則錯誤更改為
錯誤:timelogged1daysago.date_logged列不存在
這是下一批類似的代碼,使我相信我在命名臨時表(正確的術語?)時出現語法錯誤,但是我看不出有什么問題,因此很難在文檔中找到相關的部分……毫無疑問,谷歌搜索“有”或“有”是無益的。
SELECT users.author,
users.display_name,
timeloggedToday.date_logged "DATE_LOGGED_TODAY",
timeloggedToday.time_in_hours "TIME_IN_HOURS_TODAY",
timeloggedToday.difference_days "DIFFERENCE_DAYS_TODAY",
CASE
WHEN Ifnull(timeloggedToday.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timeloggedToday.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_TODAY",
timelogged1daysago.date_logged "DATE_LOGGED_1DAYSAGO",
timelogged1daysago.time_in_hours "TIME_IN_HOURS_1DAYSAGO",
timelogged1daysago.difference_days "DIFFERENCE_DAYS_1DAYSAGO",
CASE
WHEN Ifnull(timelogged1daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged1daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_1DAYSAGO",
timelogged2daysago.date_logged "DATE_LOGGED_2DAYSAGO",
timelogged2daysago.time_in_hours "TIME_IN_HOURS_2DAYSAGO",
timelogged2daysago.difference_days "DIFFERENCE_DAYS_2DAYSAGO",
CASE
WHEN Ifnull(timelogged2daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged2daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_2DAYSAGO",
timelogged3daysago.date_logged "DATE_LOGGED_3DAYSAGO",
timelogged3daysago.time_in_hours "TIME_IN_HOURS_3DAYSAGO",
timelogged3daysago.difference_days "DIFFERENCE_DAYS_3DAYSAGO",
CASE
WHEN Ifnull(timelogged3daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged3daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_3DAYSAGO",
timelogged4daysago.date_logged "DATE_LOGGED_4DAYSAGO",
timelogged4daysago.time_in_hours "TIME_IN_HOURS_4DAYSAGO",
timelogged4daysago.difference_days "DIFFERENCE_DAYS_4DAYSAGO",
CASE
WHEN Ifnull(timelogged4daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged4daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_4DAYSAGO",
timelogged5daysago.date_logged "DATE_LOGGED_5DAYSAGO",
timelogged5daysago.time_in_hours "TIME_IN_HOURS_5DAYSAGO",
timelogged5daysago.difference_days "DIFFERENCE_DAYS_5DAYSAGO",
CASE
WHEN Ifnull(timelogged5daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged5daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_5DAYSAGO",
timelogged6daysago.date_logged "DATE_LOGGED_6DAYSAGO",
timelogged6daysago.time_in_hours "TIME_IN_HOURS_6DAYSAGO",
timelogged6daysago.difference_days "DIFFERENCE_DAYS_6DAYSAGO",
CASE
WHEN Ifnull(timelogged6daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged6daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_6DAYSAGO",
timelogged7daysago.date_logged "DATE_LOGGED_7DAYSAGO",
timelogged7daysago.time_in_hours "TIME_IN_HOURS_7DAYSAGO",
timelogged7daysago.difference_days "DIFFERENCE_DAYS_7DAYSAGO",
CASE
WHEN Ifnull(timelogged7daysago.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timelogged7daysago.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_7DAYSAGO",
lastReportedTime.last_time_logged
FROM
(SELECT lower_child_name AS "author",
cwd_user.display_name
FROM cwd_membership
LEFT JOIN cwd_user ON (cwd_membership.lower_child_name = cwd_user.user_name
AND cwd_user.directory_id = cwd_membership.directory_id)
WHERE lower_parent_name = 'jira-developers'
AND cwd_membership.directory_id = 10100) users
**LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '0 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timeloggedToday ON timeloggedToday.lower_user_name = users.author**
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-1 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged1daysago ON timelogged1daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-2 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged2daysago ON timelogged2daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-3 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged3daysago ON timelogged3daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-4 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged4daysago ON timelogged4daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-5 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged5daysago ON timelogged5daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-6 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged6daysago ON timelogged6daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '-7 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timelogged7daysago ON timelogged7daysago.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
Max(startdate) AS "last_time_logged"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
GROUP BY app_user.lower_user_name) lastReportedTime ON lastReportedTime.lower_user_name = users.author
編輯:更簡單的查詢
我想我已經編輯掉了一些無關緊要的東西,希望能發現這個錯誤。 無論如何,這個較短的查詢至少會給我同樣的錯誤,因此也許可以幫助我更輕松地進行調試:
SELECT users.author,
users.display_name,
timeloggedToday.date_logged "DATE_LOGGED_TODAY",
timeloggedToday.time_in_hours "TIME_IN_HOURS_TODAY",
timeloggedToday.difference_days "DIFFERENCE_DAYS_TODAY",
CASE
WHEN Ifnull(timeloggedToday.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timeloggedToday.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_TODAY",
lastReportedTime.last_time_logged
FROM
(SELECT lower_child_name AS "author",
cwd_user.display_name
FROM cwd_membership
LEFT JOIN cwd_user ON (cwd_membership.lower_child_name = cwd_user.user_name
AND cwd_user.directory_id = cwd_membership.directory_id)
WHERE lower_parent_name = 'jira-developers'
AND cwd_membership.directory_id = 10100) users
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
AND startdate - Now() = INTERVAL '0 days'
GROUP BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now()),
worklog.startdate
ORDER BY app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d'),
Date(Now())) timeloggedToday ON timeloggedToday.lower_user_name = users.author
LEFT JOIN
(SELECT app_user.lower_user_name,
Max(startdate) AS "last_time_logged"
FROM worklog
LEFT JOIN app_user ON worklog.author = app_user.user_key
GROUP BY app_user.lower_user_name) lastReportedTime ON lastReportedTime.lower_user_name = users.author
編輯:引號大寫正在查詢。 在下面第二個失敗的輸出中,您可以看到Postgres不喜歡大寫。 它,除非你有強迫lowercaseing一切的習慣中"
報價。
--fails
select a
from
(select 1 as "A") as t;
--fails
select A
from
(select 1 as "A") as t;
--works
select "A"
from
(select 1 as "A") as t;
psql:new.sql:5: ERROR: column "a" does not exist
LINE 1: select a
^
psql:new.sql:10: ERROR: column "a" does not exist
LINE 1: select A
^
A
───
1
(1 row)
select ...
timeloggedToday.date_logged "DATE_LOGGED_TODAY",
-- should be: timeloggedToday."DATE_LOGGED" "DATE_LOGGED_TODAY",
...
LEFT JOIN
(SELECT app_user.lower_user_name,
to_char(startdate, '%Y-%m-%d') AS "DATE_LOGGED",
Sum(timeworked) / 3600 "TIME_IN_HOURS",
startdate - Now() "DIFFERENCE_DAYS"
...
) timeloggedToday ON timeloggedToday.lower_user_name = users.author;
我會考慮擺脫大寫和引號。 這只會引起頭痛。 作為附帶說明,您可以通過以下方式只寫一次左聯接:
-- instead of enumerating each possible interval
WHERE to_char(Now() - INTERVAL '8 days', '%Y-%m-%d') < to_char(startdate, '%Y-%m-%d')
-- select the interval
now()::date - start_date as diff
-- then build up your columns like:
case(case when diff=0 then date_logged else null end) as date_logged_today
case(case when diff=1 then date_logged else null end) as date_logged_yesterday
-- and so on ...
你也可以
CASE
WHEN Ifnull(timeloggedToday.time_in_hours, 0) = 0 THEN 'No Time Logged'
WHEN timeloggedToday.time_in_hours < 3.0 THEN 'User has not logged sufficient time'
ELSE 'user has logged sufficient time'
END "STATUS_TODAY",
轉換為功能,以擺脫繁瑣的冗余操作。
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