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Gritsak Oleg hack3p

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@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active July 18, 2024 22:25
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%'
@hack3p
hack3p / test_script.php
Last active January 17, 2018 10:34
PHP invariant types. Test script.
<?php
// example 1: return type
class A
{
function foo(): A
{
return $this;
}
}