"Avram" <bogdan(dot)avram(at)ulpmm(dot)u-strasbg(dot)fr> writes:
> The SELECT command using a 'uuid' field indexed with pk_situation returns no
> result. The error dissapear after the backup and the restore of the database
> or after deleting the index.
There is no uuid datatype in the standard Postgres distribution. I
suppose this is a bug in uuid's comparison routines; I suggest reporting
it to wherever you got the uuid datatype from.
regards, tom lane