Re: lock problem

marcelo Cortez wrote:
> Hi Richard , folks
>
> the query is:
>
>  SELECT c.actuacion_car AS c_actuacion,
>  c.comentario1 || ' ' || c.comentario2 || ' ' ||
> c.comentario3 AS c_comentario
> FROM caratult AS c INNER JOIN extractt AS t1 ON
...etc


I'm not seeing anything here that should take locks, although it's late
where I am.

> without table definition etc, you see are selects
> only.
> during this  query, select * from pg_catalog.pg_locks
> show many rows with exclusive locks , and other
> activities or user's be freezed,

Are you *sure* that it's this query? Could you show some of the rows
from pg_locks along with corresponding rows from pg_stat_activity?

--
   Richard Huxton
   Archonet Ltd