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@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active May 3, 2024 16:53
Useful PostgreSQL Queries and Commands
-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
FROM pg_stat_activity
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start desc;
-- show running queries (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%'
@jonashaag
jonashaag / 0-howto-listfield-django-admin.rst
Created September 7, 2011 09:41
Howto use ListFields in Django's admin

Howto use ListFields in Django's admin

Problem

Consider this blog post model:

models.py

:

@ssokolow
ssokolow / pagination_example.sql
Created December 23, 2009 13:02
Reasonably efficient pagination without OFFSET (SQLite version)
-- Reasonably efficient pagination without OFFSET
-- SQLite version (Adapted from MS SQL syntax)
-- Source: http://www.phpbuilder.com/board/showpost.php?p=10376515&postcount=6
SELECT foo, bar, baz, quux FROM table
WHERE oid NOT IN ( SELECT oid FROM table
ORDER BY title ASC LIMIT 50 )
ORDER BY title ASC LIMIT 10