updating sequence value for column 'serial' - Mailing list pgsql-general

From Matthias Apitz
Subject updating sequence value for column 'serial'
Date
Msg-id 20190924144738.GA2377@c720-r342378
Whole thread Raw
Responses Re: updating sequence value for column 'serial'
List pgsql-general
Hello,

We have in a database some 400 tables, 75 of them have a 'serial'
column, like the one in the example table 'titel_daten', column 'katkey'.

I want to create a SQL script to adjust alls these sequences to the
max+1 value in its column after loading the database from CSV file.
I found no other way as the code below (the RAISE NOTICE is
only for test at the moment and the output is correct for this table,
i.e current max in 'katkey' is 330721): 

sisis=# DO $$
sisis$# DECLARE
sisis$#    maxikatkey integer := ( select max(katkey) from titel_daten );
sisis$#    result integer := 1;
sisis$# BEGIN
sisis$#    maxikatkey := maxikatkey +1;
sisis$#    RAISE NOTICE '%', maxikatkey ;
sisis$#    result := (SELECT SETVAL('titel_daten_katkey_seq', maxikatkey) );
sisis$#    RAISE NOTICE '%', result ;
sisis$# END $$;
NOTICE:  330722
NOTICE:  330723
DO

Is there any better way? Thanks

    matthias
-- 
Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/ +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub

Mientras haya voluntad de lucha habrá esperanza de vencer.



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