added postgres_running_queries.sql

sql/postgres_running_queries.sql

@@ -0,0 +1,25 @@
+--
+--  Author: Hari Sekhon
+--  Date: 2020-08-05 12:54:34 +0100 (Wed, 05 Aug 2020)
+--
+--  vim:ts=4:sts=4:sw=4:et
+--
+--  https://github.com/harisekhon/bash-tools
+--
+--  License: see accompanying Hari Sekhon LICENSE file
+--
+--  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
+--
+--  https://www.linkedin.com/in/harisekhon
+--
+
+-- Running queries for PostgreSQL >= 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;