how to see all running queries psql code example

Example 1: postgres kill running query

--Stop the query normally
SELECT pg_cancel_backend(pid);

--Terminate immediately
SELECT pg_terminate_backend(pid);

Example 2: postgres get running query

--Version > 9.2
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;