Re: Sequence Manipulation Functions
От | John Sidney-Woollett |
---|---|
Тема | Re: Sequence Manipulation Functions |
Дата | |
Msg-id | 43C3DD78.7050001@wardbrook.com обсуждение исходный текст |
Ответ на | Sequence Manipulation Functions ("MG" <pgsql-general@carladata.de>) |
Список | pgsql-general |
Select last_value from your_sequence_name; John MG wrote: > Hello, > > I use PostgreSQL 8.0.3. > > I want to get the information of the last value of a sequence. > > The function 'currval' only gives the value back, if before a nextval is executed. > Return the value most recently obtained by nextval for this sequence in the current session. (An error is reported if nextvalhas never been called for this sequence in this session.) Notice that because this is returning a session-local value,it gives a predictable answer whether or not other sessions have executed nextval since the current session did. > > But that is not very helpful. > > I noticed that the phpPgAdmin has that information > > Name Last value Increment by Max value Min value Cache value Log count Is cycled? Is called? > adr_dsnr 108 1 9223372036854775807 1 1 25 No Yes > > > So how can I get that information? > > Thanks > > Michaela > > > > >
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