Re: Order of pg_stat_activity timestamp columns

On Wed, Mar 17, 2010 at 21:42, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Has anyone ever noticed that the order of pg_stat_activity timestamp
> columns is illogical:
>
>  xact_start       | timestamp with time zone |
>  query_start      | timestamp with time zone |
>  backend_start    | timestamp with time zone |

Well, 7.4 had only "query start". 8.1 added backend. 8.3 added
transaction. So I guess my original guess that things were just added
on the end was wrong :-)

> query_start is always between the other two timestamps.  Moving
> query_start before xact_start would make the most sense.  I wouldn't
> bring this up except we just added application_name before these
> columns, so we are already going to have different column locations for
> these fields in 9.0.
>
> Should we move query_start?

Or perhaps we should consider moving application_name to the end so it
*doesn't* break them?

--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/