How to build this field

From: juerg(dot)rietmann(at)pup(dot)ch
To: pgsql-sql(at)postgresql(dot)org
Subject: How to build this field
Date: 2001-03-08 08:10:59
Message-ID: OF2565AB12.C42D9288-ONC1256A09.002BB5CC@pup.ch
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Hi everybody

I need to build an additional field (metakey) out of three fields in the
table.

SELECT a.a_kurzbez, a.a_ausgabenr, a.a_bundnr, a.a_nr, a.a_z_blaenge,
a.a_z_laenge, a.a_z_umfang FROM auftrag a

should be changed to something like

SELECT (a.a_kurzbez + a.a_ausgabenr + a.a_bundnr) as metakey, a.a_kurzbez,
a.a_ausgabenr, a.a_bundnr, a.a_nr, a.a_z_blaenge, a.a_z_laenge,
a.a_z_umfang FROM auftrag a

output :

field : metakey a_kurzbez a_ausgabenr
a_bundnr

DMD 001 03 DMD 001
03

Thanks for any help ... jr

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