Re: getting the current query from pg_stat_activity - Mailing list pgsql-general

From Si Chen
Subject Re: getting the current query from pg_stat_activity
Date
Msg-id CAAYSSjOTge0Twma=XcU+7O+yDtnMg-xk2_85hdSDduNQLwRrKA@mail.gmail.com
Whole thread Raw
In response to Re: getting the current query from pg_stat_activity  (David Johnston <polobo@yahoo.com>)
List pgsql-general
Thanks!  That's very helpful and answers my question.


On Mon, Mar 31, 2014 at 12:52 PM, David Johnston <polobo@yahoo.com> wrote:
Si Chen-2 wrote
> I have two different postgresql servers running slightly [different]
> versions.

Versions 9.0 and 9.2 are NOT slightly different.  These are two MAJOR
RELEASES (which allow for API changes) apart (i.e., one major release in
between - 9.1)

The release notes for 9.2 note this particular change explicitly:

http://www.postgresql.org/docs/9.2/interactive/release-9-2.html

Section E.9.2.6

Note the presence of the "state" column in the 9.2 schema - you use this to
determine if a connection is "idle" instead of looking for "<IDLE>" in a
query column which then allows the query column to be report the "last known
query" at all times.

David J.






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Si Chen
Open Source Strategies, Inc.
sichen@opensourcestrategies.com
http://www.OpenSourceStrategies.com
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