Re: [SQL] Character type name?? How to lower case it?

From: Remigiusz Sokolowski <rems(at)gdansk(dot)sprint(dot)pl>
To: Guido Goldstein <Guido(dot)Goldstein(at)t-online(dot)de>
Cc: Douglas Nichols <dnichols(at)fhcrc(dot)org>, pgsql-sql(at)postgreSQL(dot)org
Subject: Re: [SQL] Character type name?? How to lower case it?
Date: 1999-01-29 13:51:29
Message-ID: Pine.GS4.4.02A.9901291449520.24590-100000@netra.gdansk.sprint.pl
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> Moin!
>
> On Fri, 29 Jan 1999 09:43:33 +0100 (MET)
> Remigiusz Sokolowski <rems(at)gdansk(dot)sprint(dot)pl> wrote:
> > >
> > > I have this script:
> > > SELECT a.attname, t.typname, a.attlen
> > > FROM pg_class c, pg_attribute a, pg_type t
> > > WHERE c.relname = 'regis' and a.attname in
> > > ('var1','var2',var3');
> > >
> > > but a.attname is of type name, inwhich text(..) or lower(..)
> > > do not work with this type and I do not seem to be able to
> > > convert type name to text....
> > >
> > > Can someone help me get around this?
> > >
> >
> > You could use case-insensitive regex operator - Your query should looks
> > like following:
> > SELECT a.attname, t.typname, a.attlen
> > FROM pg_class c, pg_attribute a, pg_type t
> > WHERE c.relname = 'regis' and (a.attname ~*'var1' OR
> > a.attname~*'var2' OR a.attname~*'var3');
>
> Why not
> [...]
> WHERE c.relname = 'regis' and a.attname ~* 'var[1-3]'
> [...]
>
> It's a regex, remember?
> The OR isn't necessary.

Right, but I suppose, that var1 and var2 and var3 are only examples - it
could be that it would be 'chicks', 'flames' and 'tails' - what about
this? :-)
rem
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Remigiusz Sokolowski e-mail: rems(at)gdansk(dot)sprint(dot)pl * *
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