From: | Blashko Alexander <black(at)lins(dot)ospu(dot)odessa(dot)ua> |
---|---|
To: | Valerio Santinelli <tanis(at)mediacom(dot)it> |
Cc: | "pgsql-general(at)postgreSQL(dot)org" <pgsql-general(at)postgreSQL(dot)org> |
Subject: | Re: [GENERAL] How to increment by hand a sequence number. |
Date: | 1999-01-18 15:57:22 |
Message-ID: | Pine.LNX.3.96.990118175403.520A-100000@lins.ospu.odessa.ua |
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Thread: | |
Lists: | pgsql-general |
On Mon, 18 Jan 1999, Valerio Santinelli wrote:
> I've exported a table from an existing MSAccess database to my
> PostgreSQL db.
> I use a serial ID on the table and now I'm getting errors when I add a
> new entry in the table if i don't specify the ID by hand (which should
> be placed automatically by the db since it's a serial).
>
> The exact error is this one:
>
> Cannot insert a duplicate key into a unique index.
>
>
> I think I should set the "last_value" field in the sequence to my real
> last value aon the ID field of the table, but Idon't know how to do it.
> Is there anybody who can help me ?
you can get "last_value":
select max(ID) from table
you can create sequence with option 'start last_value+1' ( see man ).
>
> Thanks
>
> Valerio Santinelli
> tanis(at)mediacom(dot)it
>
>
>
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