Can we improved or customization of pg_stat_activity

[nnampally]

Can we improved or customization of pg_stat_activity and pg_stat_statements such as

• Age of the query
• Ignore idle connections or option to skip it
• Can it be added additional field of max_time
• Or something as :

select d.datname, s.calls,s.max_time ,s.mean_time,s.total_time,s.stddev_time, s.rows ,s.shared_blks_hit , s.shared_blks_read,s.temp_blks_written, s.query
from pg_stat_statements s,pg_database d
where s.dbid = d.oid
and d.datname not in ('rdsadmin','postgres') -- option to ignore db's if extenstion shared location, `postgres->public`
and s.total_time > 1
order by s.total_time, s.mean_time, s.max_time, s.calls desc;