Re: postgresql process crashes on select * from cmd_sm (which is a view)

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: cristi(at)auctionwatch(dot)ro, pgsql-bugs(at)postgresql(dot)org
Subject: Re: postgresql process crashes on select * from cmd_sm (which is a view)
Date: 2000-12-21 19:12:01
Message-ID: 200012211912.OAA03486@candle.pha.pa.us
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Added to TODO:

* Prevent BETWEEN from using duplicate nodes

> pgsql-bugs(at)postgresql(dot)org writes:
> > postgresql process crashes on select * from cmd_sm (which is a view)
>
> Poking into this revealed what seems to be a long-standing bug: a view
> that uses BETWEEN gets confused about any variables appearing in the
> first argument of the BETWEEN. I've fixed this in current sources,
> but for 7.0.* you'd be best advised to write out BETWEEN explicitly
> as "a >= b AND a <= c".
>
> A separate issue is that grouped views don't work very well in 7.0.*.
> This is also fixed for 7.1, but in the meantime don't expect to be able
> to apply aggregates or grouping to the output of a grouped view.
>
> regards, tom lane
>

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