Re: Comparing dates in DDL
От | Rich Shepard |
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Тема | Re: Comparing dates in DDL |
Дата | |
Msg-id | alpine.LNX.2.20.1901041557080.29312@salmo.appl-ecosys.com обсуждение исходный текст |
Ответ на | Re: Comparing dates in DDL (Jeremy Finzel <finzelj@gmail.com>) |
Список | pgsql-general |
On Fri, 4 Jan 2019, Jeremy Finzel wrote: > Another suggestion which hasn’t been mentioned is using ‘infinity’ as the > end date. I like this because it IMO indicates that the record is clearly > the current valid record more than null. Jeremy, I believe that infinity was mentioned in this thread. > But I’m not sure exactly what you are trying to do either. If you are > creating a new record with changes and closing (ending) the range of the > original record, then a GIST exclusion index would ensure you have no > overlapping date ranges for all historical records put together. Having overlapping date ranges in a projects table is a Good Thing(TM) because it means I have multiple, concurrent revenue streams. :-) Carpe weekend, Rich -- I dream of an America where a chicken can cross the road without having its motives questioned.
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