On Oct 23, 2007, at 8:43 AM, Alvaro Herrera wrote:
Ow Mun Heng wrote:
Hi,
Is there a method to obtain the query's runtime from any of the pg_*
tables?
No. You can use log_durations and log_statement for that. We don't
store that info in tables.
Right now, I'm only seeing the backend_start_time (from
pg_stat_activity) (and I'm also not sure how to interpret this.
This is the time that the session was started. Nothing to do with the
query itself.
query_start does, however, give you the time that the query started.
I use something like
SELECT procpid, client_addr, to_char(now() - query_start, 'DD
HH24:MI:SS') as query_time, current_query
FROM pg_stat_activity
ORDER BY query_time DESC;
To get a snapshot view of what's currently running in our databases.
Erik Jones
Software Developer | Emma®
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800.595.4401 or 615.292.5888
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