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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