PGError: ERROR: permission denied for relation (when using Heroku)

Question

I\'ve recently gone through the database migration process as outlined here:

https://devcenter.heroku.com/articles/migrating-from-shared-database-to-heroku-postgres<

Answer 1

Steps based on Ashton's answer to upgrade from Dev (10k rows limit) to Basic (10M rows limit)

check db rows exceded limit

heroku pg:info

disable the app and workers to ensure no db changes during db upgrade

heroku maintenance:on
heroku ps:scale worker=0

if you don't have pgbackups

heroku addons:add pgbackups

backup database and get backup id

heroku pg:backups:capture

add db with web interface

1. login to https://addons.heroku.com
2. search "Heroku Postgres"
3. select plan and application
4. add it

view heroku config, you should see new db URL

heroku config --remote heroku

restore backup to new db

heroku pg:backups:restore BACKUP_ID NEW_DB_URL

change DATABASE_URL

heroku pg:promote NEW_DB_URL

enable the app and workers

heroku maintenance:off
heroku ps:scale worker=1