Re: Sequence Manipulation Functions

From: Tino Wildenhain <tino(at)wildenhain(dot)de>
To: MG <pgsql-general(at)carladata(dot)de>
Cc: Pgsql-General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Sequence Manipulation Functions
Date: 2006-01-10 22:21:01
Message-ID: 43C4334D.50300@wildenhain.de
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MG schrieb:
> 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 |nextval| has 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?
>
SELECT * FROM adr_dsnr;

Otoh, for what do you need this information?

Regards
Tino

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