Re: How to get comments for view columns? - Mailing list pgsql-general

From eugene.mindrov@gmail.com
Subject Re: How to get comments for view columns?
Date
Msg-id 1178270548.816106.33770@l77g2000hsb.googlegroups.com
Whole thread Raw
In response to Re: How to get comments for view columns?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Tom Lane wrote:
> What do you consider "selected"?  Given a view defined as
>
>     select a, b, c+d as sum from tab where e > 42;
>
> what output are you wishing for?
>
> AFAIR the dependency mechanism will treat a,b,c,d,e alike.  To do more
> you'd need to grovel through the pg_rewrite expression for the view's
> select rule, which'd be excruciatingly painful from a client program
> for lack of any supporting code.
>
>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
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>
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Sorry for not being overly accurate, I didn't consider a view with
expressions as columns, they slipped my mind, because the views I was
interested in contain only table columns, no expressions whatsoever.
But seems you're right, there's no easy way to extract underlying
comments...


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