Re: Have psql show current sequnce values - (Resubmission)
От | Bruce Momjian |
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Тема | Re: Have psql show current sequnce values - (Resubmission) |
Дата | |
Msg-id | 200702090129.l191TMp04151@momjian.us обсуждение исходный текст |
Ответ на | Re: Have psql show current sequnce values - (Resubmission) (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-patches |
Tom Lane wrote: > Alvaro Herrera <alvherre@commandprompt.com> writes: > > I think we discussed replacing the current sequence representation with > > a single relation that would contain all sequences in the database, so > > that you could do "select * from pg_sequence" and get all the values in > > one go. The idea was considered not implementable at the time due to us > > not having "non transactional relations", but I'd suggest adding it to > > the TODO so that we don't forget later. > > I wonder if we could kluge it by making all sequences inheritance > children of a dummy "pg_sequence" relation. Or perhaps better, > implement this as a system view on a set-returning function --- if there > are lots of sequences the planner's not likely to help you much anyway. I like the system view best. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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