Re: Sequence Manipulation Functions - Mailing list pgsql-general

From John Sidney-Woollett
Subject Re: Sequence Manipulation Functions
Date
Msg-id 43C3DD78.7050001@wardbrook.com
Whole thread Raw
In response to Sequence Manipulation Functions  ("MG" <pgsql-general@carladata.de>)
List 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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