You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
985 B
SQL
37 lines
985 B
SQL
--
|
|
-- Author: Hari Sekhon
|
|
-- Date: 2020-08-05 16:16:21 +0100 (Wed, 05 Aug 2020)
|
|
--
|
|
-- vim:ts=2:sts=2:sw=2:et:filetype=sql
|
|
--
|
|
-- 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
|
|
--
|
|
|
|
-- PostgreSQL query times from pg_stat_statement for PostgreSQL <= 9.4
|
|
|
|
-- postgresql.conf needs before start:
|
|
-- shared_preload_libraries = 'pg_stat_statements'
|
|
--
|
|
CREATE extension pg_stat_statements;
|
|
|
|
SELECT
|
|
calls,
|
|
rows,
|
|
ROUND((total_time::numeric / 1000), 4) AS total_secs,
|
|
-- newer versions of PostgreSQL have mean_time field, but we have to calculate on PostgreSQL <= 9.4
|
|
ROUND((total_time::numeric / 1000 / calls), 4) AS average_secs,
|
|
query
|
|
FROM
|
|
pg_stat_statements
|
|
ORDER BY
|
|
average_secs DESC,
|
|
calls DESC,
|
|
rows DESC
|
|
LIMIT 100;
|