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From: Richard Huxton <dev@archonet.com>
Organization: Archonet Ltd
To: pgsql-sql@postgresql.org
Subject: Re: View - Join based on dis-similar data types
Date: Fri, 14 Mar 2003 10:52:02 +0000
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References: <QNKdnanqAcK_Ee2jXTWcqw@speakeasy.net>
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On Thursday 13 Mar 2003 1:48 pm, speakeasy wrote:
> Not sure if this ever made it to the group, I can't seem to find it in the
> recent message lists.
>
> "speakeasy" <nospam_artd@speakeasy.net> wrote in message news:...
>
> > I have a field defined as a character(50) data type, and the same field
> > stored in a transition table as a text type.
> >
> > The view itself work based on the join, however sub-queries against the
> view
> > on that field do not return any data.
> >
> > Example:
> >
> > Table1
> > T1Data - Character(50)

> > Table2
> > T2Data - Text

> > View1:
> > ---
> > SELECT T1Data from Table1 JOIN Table2 ON (Table1.T1Data =3D Table2.T2Da=
ta);
> >
> >
> > A select against View1
> > SELECT * FROM View1 returns all relevant records, however, adding a WHE=
RE
> > clause produces no output.

Can you please provide a real example, otherwise we're just guessing.
Are you sure you've not forgotten about the spaces padding your char(50)=20
field?

--=20
  Richard Huxton