eugeneius
/ database_cleaner.rb
Created
November 29, 2021 11:32
Intercom's database_cleaner setup (supports initial clean, secondary connections, non-transactional tests, and eliminates an unnecessary query)
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| require "database_cleaner" | |
| require "database_cleaner/active_record/deletion" | |
| module DatabaseCleaner | |
| module ActiveRecord | |
| module SelectiveTruncation | |
| def information_schema_exists?(_connection) | |
| true |
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| //usr/bin/env go run $0 "$@"; exit | |
| package main | |
| import ( | |
| "fmt" | |
| "os" | |
| ) | |
| func main() { | |
| fmt.Println("Hello world!") |
rgreenjr
/ postgres_queries_and_commands.sql
Last active
September 19, 2024 05:47
Useful PostgreSQL Queries and Commands
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| -- 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%' |