Re: View - Join based on dis-similar data types

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От Richard Huxton
Тема Re: View - Join based on dis-similar data types
Дата
Msg-id 200303141052.02132.dev@archonet.com
обсуждение исходный текст
Ответ на Re: View - Join based on dis-similar data types  ("speakeasy" <nospam_artd@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 = Table2.T2Data);
> >
> >
> > A select against View1
> > SELECT * FROM View1 returns all relevant records, however, adding a WHERE
> > 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)
field?

--  Richard Huxton


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