> > If I shutdown postgres between queries I get:
>
> > query: 1024: 'select count(*) from pg_class'
> > ResStatus: PGRES_FATAL_ERROR
> > Status: 0
> > except: pqReadData() -- read() failed: errno=32
> > Оборванный канал
>
> What version are you running, and are you sure you are using libpq
> correctly? Using psql I see
7.0.2.
And you use PIPE, but I use sockets. If I just do psql -d db, all is as you've said,
but if I do psql -d db -h localhost the pictures is as following:
db=> select count(*) from pg_class;
count
-------
28531
(1 row)
db=> select count(*) from pg_class;
pqReadData() -- read() failed: errno=32
Оборванный канал
db=> select count(*) from pg_class;
FATAL 1: The system is shutting down
NOTICE: AbortTransaction and not in in-progress state
pqReadData() -- backend closed the channel unexpectedly.
This probably means the backend terminated abnormally
before or while processing the request.
> regression=# select count(*) from pg_class;
> count
> -------
> 260
> (1 row)
>
> < in another window, kill postgres backend >
>
> regression=# select count(*) from pg_class;
> FATAL 1: The system is shutting down
> NOTICE: AbortTransaction and not in in-progress state
> pqReadData() -- backend closed the channel unexpectedly.
> This probably means the backend terminated abnormally
> before or while processing the request.
> regression=#
>
> which looks pretty reasonable.
>
> I should also point out that in the current system, normal shutdown
> (via pg_ctl stop or 'kill' on the postmaster) produces no such result
> because extant backends are allowed to finish their sessions normally.
--
Sincerely Yours,
Denis Perchine
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