Sequence update function? - Mailing list pgsql-admin

From Uwe C. Schroeder
Subject Sequence update function?
Date
Msg-id 200706111825.56480.uwe@oss4u.com
Whole thread Raw
Responses Re: Sequence update function?  (Thomas Markus <t.markus@proventis.net>)
List pgsql-admin
Hi,

just thought I ask before I start doing it myself: Has anyone ever written a
stored procedure (or any other means) of syncing the sequence to the max #
key in the corresponding tables?

I'm running a simple script to update table contents between dev and
production system, however the script is flawed in the way that it copied the
primary key along (it's a simple pg_dump|pg-restore shellscript). It works
fine because all rows that are already there just fail for PK violation.
In the end I'm ending up with sequences out of sync. So i though a simple
little helper that loops over the sequences (information schema), grabs the
according table, does a max(key) on the table and sets the sequence to that
will do nicely.
Anyone written something like that?

Thanks

    UC

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