>
> So I tried INTERSECT with ORDER BY and it crashes on 6.5 and 6.5.1:
>
> [csmaster@kamet release0]$ psql cs1
> Welcome to the POSTGRESQL interactive sql monitor:
> Please read the file COPYRIGHT for copyright terms of POSTGRESQL
> [PostgreSQL 6.5.1 on i686-pc-linux-gnu, compiled by gcc egcs-2.91.66]
>
>type \? for help on slash commands
>type \q to quit
>type \g or terminate with semicolon to execute query
> You are currently connected to the database: cs1
>
> cs1=> SELECT envelope FROM docobj
> cs1-> WHERE attrid=5
> cs1-> INTERSECT
> cs1-> SELECT envelope FROM docobj
> cs1-> WHERE attrid=6
> cs1-> ORDER BY attrid DESC
> cs1-> ;
> pqReadData() -- backend closed the channel unexpectedly.
> This probably means the backend terminated abnormally
> before or while processing the request.
> We have lost the connection to the backend, so further processing is impossible.
>Terminating.
>
Not sure. I just tried this:
test=> select relname from pg_class intersect select relname from
pg_class order by relname;
ERROR: get_sortgroupclause_expr: ORDER/GROUP BY expression not found in
targetlist
Not sure what this means either.
--
Bruce Momjian| http://www.op.net/~candle
[EMAIL PROTECTED]| (610) 853-3000
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