Re: Selecting latest value
От | Haller Christoph |
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Тема | Re: Selecting latest value |
Дата | |
Msg-id | 200109200911.LAA25095@rodos обсуждение исходный текст |
Ответ на | Selecting latest value (Patrik Kudo <kudo@partitur.se>) |
Ответы |
Re: Selecting latest value
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Список | pgsql-sql |
Try create NEWtable (userid text, val integer, ts timestamp); insert into NEWtable select userid, val, max(ts) from table group by userid, val; Regards, Christoph > > Hi, > > I have a table which basically looks like this: > > create table (userid text, val integer, ts timestamp); > > This table holds multiple values for users, timestamped for history > reasons. > > Now I need to fetch the latest val for each userid to insert into a new > table (with about the same schema, except for uniqueness on userid). > I belive this should be a trivial task, but I'm experience total lack of > insight here... > > Comments? > > /Patrik Kudo >
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