2013/1/11 Pavel Stehule <pavel.steh...@gmail.com>: > 2013/1/11 Stephen Frost <sfr...@snowman.net>: >> * Tom Lane (t...@sss.pgh.pa.us) wrote: >>> Simon Riggs <si...@2ndquadrant.com> writes: >>> > An even better feature would be to be able to send a signal to a >>> > running query to log its currently executing plan. That way you can >>> > ask "Why so slow?" before deciding to kill it. >>> >>> That could conceivably work. At least it wouldn't require running >>> EXPLAIN in a failed transaction. >> >> I like this idea, in general, also. Taking that to the next level would >> be figuring out how you can do the same kind of thing through an >> interactive psql session where the user running the query doesn't need >> access to the database server or PG log files... >> > > this is simple - it can be printed via elog(WARNING, ...) to original console
theoretically we can show current state via EXPLAIN ANALYSE result > >> We can send a 'cancel query', how about a 'report on query' which >> returns the plan and perhaps whatever other stats are easily available? > > there is only one question - that POSIX signal we can use? > > Pavel > >> >> Thanks, >> >> Stephen -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
