Re: auto-filling a field on insert
От | semi-ambivalent |
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Тема | Re: auto-filling a field on insert |
Дата | |
Msg-id | 158dd94b-ba9d-4ed8-887e-3fccc6d471e6@x25g2000prf.googlegroups.com обсуждение исходный текст |
Ответ на | auto-filling a field on insert (semi-ambivalent <thefronny@gmail.com>) |
Ответы |
Re: auto-filling a field on insert
Re: auto-filling a field on insert Re: auto-filling a field on insert |
Список | pgsql-general |
On Oct 21, 8:54 pm, da...@fetter.org (David Fetter) wrote: > On Wed, Oct 21, 2009 at 07:17:44PM -0700, semi-ambivalent wrote: > > If I have a table with fields A, B, C and D how could I do something > > such that if I insert values in fields A, B and C field D would be > > auto-filled with the value A||B||C? Just a pointer of where to begin > > looking is fine. Triggers? Copy ... From? Table or field > > definitions? > > Instead of populating your table with this extra information, create a > VIEW with what you want in it. > > Cheers, > David. > -- > David Fetter <da...@fetter.org>http://fetter.org/ > Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter > Skype: davidfetter XMPP: david.fet...@gmail.com > > Remember to vote! > Consider donating to Postgres:http://www.postgresql.org/about/donate > > -- > Sent via pgsql-general mailing list (pgsql-gene...@postgresql.org) > To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-general At first blush that looks good but I need an index on that concatted value and I don't seem to be able to index a field in a view. I'll check the docs on views to see if I'm missing something. thanks! sa
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