백업에서 현재 버전 정보를 가져오는 방법은 무엇인가요?

제목에서 언급했듯이, 내 VPS가 공격을 받았습니다. ./discourse-doctor를 실행하여 현재 discourse 버전 정보를 확인하려고 했지만 실패했습니다.

다행히 로컬 머신에 백업을 다운로드해 두었습니다.
이 백업에서 현재 버전 정보를 어떻게 가져올 수 있을까요?
감사합니다.

어떤 문제를 해결하려고 하시나요? 백업은 더 새로운 버전으로 복원할 수 있습니다.

운영 체제를 재설치한 후 플러그인 호환성 문제를 피하기 위해 이전 버전의 Discourse를 설정할 계획입니다.

참고로, VPS가 해킹당한 경우에도 discourse를 백업할 수 있을까요? 며칠 전의 자동 백업만 있습니다.

해커가 시스템을 어떤 상태로 남겼는지에 따라 달라집니다. rails 콘솔을 통해 백업을 시도해 볼 수 있습니다:

cd /var/discourse 
./launcher enter app
discourse backup
cd public/backups/default
scp * user@destination.example.com:

백업 파일 이름 형식은 forumname-2025-05-22-151843-v20250521053324.tar.gz입니다.

끝부분의 긴 문자열은 마지막으로 실행된 마이그레이션입니다.

해당 마이그레이션이 어떤 커밋에 해당하는지 확인하려면,

cd /var/www/discourse
git blame db/migrate/20250521053324*

을 실행하세요.

출력 결과가 표시되며, 왼쪽 열에 커밋 해시가 포함되어 있습니다.
이것이 새로운 포럼이 갖춰져야 할 최소한의 커밋입니다.

(때때로 해당 커밋은 플러그인에 속할 수 있습니다. 이 경우 locate 명령을 사용하여 플러그인을 찾고, 해당 디렉터리로 이동한 후 동일한 git blame 명령을 실행하세요.)

최신 버전으로 업데이트하는 것을 권장합니다. 가장 간단하고 위험이 없습니다. 만약 작동하지 않으면, 해당 훌륭한 지침을 따라 커밋을 찾아 해당 커밋으로 되돌릴 수 있습니다 (그리고 각 플러그인도 특정 커밋으로 되돌릴 건가요?).

백업을 시도했지만 실패했습니다. 출력 결과는 다음과 같습니다:

# cd /var/discourse/
/var/discourse# ./launcher enter app
x86_64 arch detected.
/var/www/discourse# discourse backup
Starting backup...
EXCEPTION: BackupRestore::OperationRunningError
/var/www/discourse/lib/backup_restore/backuper.rb:70:in `ensure_no_operation_is_running'
/var/www/discourse/lib/backup_restore/backuper.rb:22:in `run'
script/discourse:84:in `backup'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/thor-1.3.1/lib/thor/command.rb:28:in `run'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/thor-1.3.1/lib/thor/invocation.rb:127:in `invoke_command'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/thor-1.3.1/lib/thor.rb:527:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/thor-1.3.1/lib/thor/base.rb:584:in `start'
script/discourse:290:in `<top (required)>'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli/exec.rb:58:in `load'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli/exec.rb:58:in `kernel_load'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli/exec.rb:23:in `run'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli.rb:451:in `exec'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/vendor/thor/lib/thor/command.rb:28:in `run'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/vendor/thor/lib/thor.rb:527:in `dispatch'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli.rb:34:in `dispatch'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/vendor/thor/lib/thor/base.rb:584:in `start'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/cli.rb:28:in `start'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/exe/bundle:28:in `block in <top (required)>'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/lib/bundler/friendly_errors.rb:117:in `with_friendly_errors'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.5.3/exe/bundle:20:in `<top (required)>'
/usr/local/bin/bundle:25:in `load'
/usr/local/bin/bundle:25:in `<main>'
Deleting old backups...
Cleaning stuff up...
Removing '.tar' leftovers...
Marking backup as finished...
Notifying 'system' of the end of the backup...
Finished!
[FAILED]

이것은 백업을 수행할 수 없다는 뜻인가요?

다른 백업이 실행 중이라고 판단하고 있습니다. 컨테이너를 재시작한 후 다시 시도해 보세요.

좋은 조언 감사합니다.
백업을 성공적으로 시작할 수 있었습니다.
그러나 프로세스가 약 20분 동안 이 지점에서 멈춰 있는 상태입니다(아래 스크린샷 참조). 이런 것이 정상적인가요?

네, 버그로 인해 이 테이블이 매우 커질 수 있습니다. 자세한 내용은 Clean up user_auth_token_logs? 를 참조하세요.

문제가 발생하면 백업을 중지한 후 rails 콘솔에 진입하여

rails c
UserAuthTokenLog.delete_all

을 실행하고, 다시 백업을 시작하면 됩니다.

제안해 주셔서 감사합니다. 최신 데이터를 성공적으로 백업했습니다.
또한, OS가 이미 재설치되었으므로 app.yml과 백업 파일을 사용하여 최신 상태를 직접 복원하는 방법이 있을까요? 이 과정에 대한 공식 문서가 있나요? 아니면 먼저 표준 Docker 설치 과정을 거친 후 백업을 가져와서 모든 것을 복원해야 하나요?

참고로, Discourse 백업이 어떤 커밋에 해당하는지 확인하려고 시도했을 때 다음 출력이 나타났습니다. 왜 그런지 혹시 아는 게 있을까요?

/var/www/discourse# git blame db/migrate/20240516145911*
fatal: no such path 'db/migrate/20240516145911*' in HEAD

정말이죠!

결론: 채팅 플러그인에 속해 있습니다.

root@testbeta:/var/www/discourse# locate 202405161459
/var/www/discourse/plugins/chat/db/migrate/20240516145911_update_user_options_for_thread_title_prompts.rb
root@testbeta:/var/www/discourse# cd plugins/chat/
root@testbeta:/var/www/discourse/plugins/chat# git blame db/migrate/20240516145911*

정말 감사합니다!
:thinking:이 메서드가 채팅 플러그인이 아니라 Discourse 저장소 자체에 커밋을 생성하는지 정확히 잘 모르겠습니다. 만약 그렇다면, 그 뒤에 있는 메커니즘을 설명해 주실 수 있을까요?

이 가이드를 따라갈 수 있을 것 같습니다.
https://meta.discourse.org/t/restore-a-backup-from-the-command-line/

권장하신 방법을 시도해 보았지만 다음과 같은 문제에 부딪혔습니다.
어떤 부분이 잘못되었는지 확인해 주실 수 있을까요?

/var/www/discourse# locate 20240516145911
/shared/backups/default/discourse-2025-05-24-113557-v20240516145911.tar.gz
/var/www/discourse/plugins/chat/db/post_migrate/20240516145911_update_user_options_for_thread_title_prompts.rb
root@tartali-app:/var/www/discourse# cd plugins/chat/
root@tartali-app:/var/www/discourse/plugins/chat# git blame db/migrate/20240516145911*
fatal: no such path 'plugins/chat/db/migrate/20240516145911*' in HEAD```

죄송합니다. git blame db/post_migrate/20240516145911*를 통해 확인했습니다.

다음은 출력 내용입니다:

root@tartali-app:/var/www/discourse/plugins/chat# git blame db/post_migrate/20240516145911*
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (422/422), done.
remote: Compressing objects: 100% (421/421), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2149 (from 1)
Receiving objects: 100% (2571/2571), 1008.42 KiB | 14.20 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (405/405), done.
remote: Compressing objects: 100% (405/405), done.
Receiving objects: 100% (2571/2571), 1007.76 KiB | 21.91 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2166 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (413/413), done.
remote: Compressing objects: 100% (413/413), done.
Receiving objects: 100% (2571/2571), 1007.81 KiB | 22.90 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2158 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (413/413), done.
remote: Compressing objects: 100% (413/413), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2158 (from 1)
Receiving objects: 100% (2571/2571), 1007.82 KiB | 22.40 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (413/413), done.
remote: Compressing objects: 100% (413/413), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2158 (from 1)
Receiving objects: 100% (2571/2571), 1007.81 KiB | 22.40 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (405/405), done.
remote: Compressing objects: 100% (405/405), done.
Receiving objects: 100% (2571/2571), 1007.76 KiB | 22.39 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2166 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (405/405), done.
remote: Compressing objects: 100% (405/405), done.
Receiving objects: 100% (2571/2571), 1007.76 KiB | 22.39 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2166 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (413/413), done.
remote: Compressing objects: 100% (413/413), done.
Receiving objects: 100% (2571/2571), 1007.78 KiB | 23.44 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2158 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (422/422), done.
remote: Compressing objects: 100% (421/421), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2149 (from 1)
Receiving objects: 100% (2571/2571), 1008.39 KiB | 22.92 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (422/422), done.
remote: Compressing objects: 100% (421/421), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2149 (from 1)
Receiving objects: 100% (2571/2571), 1008.39 KiB | 22.41 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (404/404), done.
remote: Compressing objects: 100% (404/404), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2167 (from 1)
Receiving objects: 100% (2571/2571), 1007.74 KiB | 21.91 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (422/422), done.
remote: Compressing objects: 100% (421/421), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2149 (from 1)
Receiving objects: 100% (2571/2571), 1008.40 KiB | 22.92 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (422/422), done.
remote: Compressing objects: 100% (421/421), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2149 (from 1)
Receiving objects: 100% (2571/2571), 1008.39 KiB | 22.41 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (414/414), done.
remote: Compressing objects: 100% (414/414), done.
Receiving objects: 100% (2571/2571), 1007.78 KiB | 22.90 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2157 (from 1)
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (403/403), done.
remote: Compressing objects: 100% (403/403), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2168 (from 1)
Receiving objects: 100% (2571/2571), 1007.66 KiB | 22.39 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (413/413), done.
remote: Compressing objects: 100% (413/413), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2158 (from 1)
Receiving objects: 100% (2571/2571), 1007.70 KiB | 12.44 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (412/412), done.
remote: Compressing objects: 100% (412/412), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2159 (from 1)
Receiving objects: 100% (2571/2571), 1007.71 KiB | 22.39 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (419/419), done.
remote: Compressing objects: 100% (418/418), done.
remote: Total 2571 (delta 2), reused 1 (delta 1), pack-reused 2152 (from 1)
Receiving objects: 100% (2571/2571), 1008.31 KiB | 21.92 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (404/404), done.
remote: Compressing objects: 100% (404/404), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2167 (from 1)
Receiving objects: 100% (2571/2571), 1007.66 KiB | 22.90 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (414/414), done.
remote: Compressing objects: 100% (414/414), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2157 (from 1)
Receiving objects: 100% (2571/2571), 1007.70 KiB | 12.00 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2571, done.
remote: Counting objects: 100% (412/412), done.
remote: Compressing objects: 100% (412/412), done.
remote: Total 2571 (delta 3), reused 0 (delta 0), pack-reused 2159 (from 1)
Receiving objects: 100% (2571/2571), 1007.70 KiB | 22.39 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (416/416), done.
remote: Compressing objects: 100% (416/416), done.
Receiving objects: 100% (2569/2569), 1006.98 KiB | 22.89 MiB/s, done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2153 (from 1)
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (418/418), done.
remote: Compressing objects: 100% (417/417), done.
Receiving objects: 100% (2569/2569), 1007.58 KiB | 22.90 MiB/s, done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2151 (from 1)
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (405/405), done.
remote: Compressing objects: 100% (405/405), done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2164 (from 1)
Receiving objects: 100% (2569/2569), 1006.90 KiB | 22.88 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (417/417), done.
remote: Compressing objects: 100% (416/416), done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2152 (from 1)
Receiving objects: 100% (2569/2569), 1007.75 KiB | 20.57 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (417/417), done.
remote: Compressing objects: 100% (416/416), done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2152 (from 1)
Receiving objects: 100% (2569/2569), 1007.74 KiB | 23.44 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (417/417), done.
remote: Compressing objects: 100% (416/416), done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2152 (from 1)
Receiving objects: 100% (2569/2569), 1007.55 KiB | 23.43 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (417/417), done.
remote: Compressing objects: 100% (416/416), done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2152 (from 1)
Receiving objects: 100% (2569/2569), 1007.56 KiB | 23.43 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (418/418), done.
remote: Compressing objects: 100% (417/417), done.
remote: Total 2569 (delta 2), reused 1 (delta 1), pack-reused 2151 (from 1)
Receiving objects: 100% (2569/2569), 1007.56 KiB | 10.72 MiB/s, done.
Resolving deltas: 100% (2/2), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (405/405), done.
remote: Compressing objects: 100% (405/405), done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2164 (from 1)
Receiving objects: 100% (2569/2569), 1006.91 KiB | 22.38 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (404/404), done.
remote: Compressing objects: 100% (404/404), done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2165 (from 1)
Receiving objects: 100% (2569/2569), 1006.90 KiB | 22.38 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (404/404), done.
remote: Compressing objects: 100% (404/404), done.
Receiving objects: 100% (2569/2569), 1006.88 KiB | 22.88 MiB/s, done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2165 (from 1)
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (416/416), done.
remote: Compressing objects: 100% (416/416), done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2153 (from 1)
Receiving objects: 100% (2569/2569), 1006.89 KiB | 5.47 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Enumerating objects: 2569, done.
remote: Counting objects: 100% (415/415), done.
remote: Compressing objects: 100% (415/415), done.
Receiving objects: 100% (2569/2569), 1006.89 KiB | 22.88 MiB/s, done.
Resolving deltas: 100% (3/3), done.
remote: Total 2569 (delta 3), reused 0 (delta 0), pack-reused 2154 (from 1)
remote: Enumerating objects: 2569, done.
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34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  1) # frozen_string_literal: true
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  2)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  3) class UpdateUserOptionsForThreadTitlePrompts < ActiveRecord::Migration[7.0]
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  4)   def up
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  5)     change_column_default :user_options, :show_thread_title_prompts, true
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  6)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  7)     if DB.query_single(
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  8)          "SELECT 1 FROM user_options WHERE show_thread_title_prompts IS NULL LIMIT 1",
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  9)        ).first
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 10)       batch_size = 100_000
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 11)       min_id = DB.query_single("SELECT MIN(user_id) FROM user_options").first.to_i
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 12)       max_id = DB.query_single("SELECT MAX(user_id) FROM user_options").first.to_i
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 13)       while max_id >= min_id
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 14)         DB.exec(
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 15)           "UPDATE user_options SET show_thread_title_prompts = true WHERE user_id > #{max_id - batch_size} AND user_id <= #{max_id}",
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 16)         )
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 17)         max_id -= batch_size
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 18)       end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 19)     end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 20)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 21)     change_column_null :user_options, :show_thread_title_prompts, false
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 22)   end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 23)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 24)   def down
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 25)   end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 26) end
:...skipping...
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  1) # frozen_string_literal: true
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  2)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  3) class UpdateUserOptionsForThreadTitlePrompts < ActiveRecord::Migration[7.0]
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  4)   def up
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  5)     change_column_default :user_options, :show_thread_title_prompts, true
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  6)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  7)     if DB.query_single(
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  8)          "SELECT 1 FROM user_options WHERE show_thread_title_prompts IS NULL LIMIT 1",
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400  9)        ).first
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 10)       batch_size = 100_000
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 11)       min_id = DB.query_single("SELECT MIN(user_id) FROM user_options").first.to_i
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 12)       max_id = DB.query_single("SELECT MAX(user_id) FROM user_options").first.to_i
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 13)       while max_id >= min_id
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 14)         DB.exec(
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 15)           "UPDATE user_options SET show_thread_title_prompts = true WHERE user_id > #{max_id - batch_size} AND user_id <= #{max_id}",
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 16)         )
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 17)         max_id -= batch_size
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 18)       end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 19)     end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 20)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 21)     change_column_null :user_options, :show_thread_title_prompts, false
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 22)   end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 23)
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 24)   def down
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 25)   end
34c4acd32f5 (David Battersby 2024-05-17 00:53:19 +0400 26) end
~