Re: [SQL] postmaster dies on complicated views - Mailing list pgsql-sql

From Bruce Momjian
Subject Re: [SQL] postmaster dies on complicated views
Date
Msg-id 199809180258.WAA19604@candle.pha.pa.us
Whole thread Raw
In response to postmaster dies on complicated views  (David Rugge <davidrugge@mindspring.com>)
List pgsql-sql
> I've had a strange problem with viewing through anything but a basic view.
> The view in question is defined as follows:
>
> create view currentinfo
> as
> select pub_id, type, sum(price*ytd_sales), avg(price), avg(ytd_sales)
> from titles
> group by pub_id, type;
>
> this is what happens when I do a select * from currentinfo:
>
> PQexec() -- Request was sent to backend, but backend closed the channel
> before responding.
> This probably means the backend terminated abnormally before or while
> processing the request.
>
>
> What does this message mean?  Once I get this error, I have to quit and
> relaunch psql before any other queries are successful. I think the problem
> may be with the "sum(price*ytd_sales)" selection, since I tried another
> query with multiplication in the select clause and it died too.

Can't use aggregates in views.  Sorry.  On the TODO list.

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