Consider this blog post model:
:
-- 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%' |
-- 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 |