Files
danbooru/db/migrate/20220109163815_validate_foreign_key_constraints.rb
evazion 5623b139aa db: add foreign key constraints on all tables.
Add foreign key constraints on all foreign keys on all tables.

These constraints are deferrable so that they're checked at the end of
the transaction, rather at the end of the statement. This is to reduce
lock duration and to allow for cyclic relationships.

Constraints are added in one migration then validated in another so that
the entire table isn't locked against reads and writes while the foreign
key constraints are being validated.

A few tables had invalid foreign keys. Add a fix script to fix these tables:

* A couple artist versions belonged to deleted artists.
* One dmail belonged to a deleted user.
* One forum topic visit belonged to that same deleted user.
* A few dozen note versions belonged to nonexistent posts. This came
  from RaisingK moving notes to different posts years ago, back when it
  was possible for users to set a note's post ID in the API.
* Some uploads had their parent ID set to 0.
2022-01-09 11:01:00 -06:00

87 lines
4.8 KiB
Ruby

class ValidateForeignKeyConstraints < ActiveRecord::Migration[7.0]
def change
validate_foreign_key :api_keys, :users
validate_foreign_key :artist_commentaries, :posts
validate_foreign_key :artist_commentary_versions, :posts
validate_foreign_key :artist_commentary_versions, :users, column: :updater_id
validate_foreign_key :artist_urls, :artists
validate_foreign_key :artist_versions, :artists
validate_foreign_key :artist_versions, :users, column: :updater_id
validate_foreign_key :bans, :users
validate_foreign_key :bans, :users, column: :banner_id
validate_foreign_key :bulk_update_requests, :forum_posts
validate_foreign_key :bulk_update_requests, :forum_topics
validate_foreign_key :bulk_update_requests, :users
validate_foreign_key :bulk_update_requests, :users, column: :approver_id
validate_foreign_key :comments, :posts
validate_foreign_key :comments, :users, column: :creator_id
validate_foreign_key :comments, :users, column: :updater_id
validate_foreign_key :comment_votes, :users
validate_foreign_key :comment_votes, :comments
validate_foreign_key :dmails, :users, column: :owner_id
validate_foreign_key :dmails, :users, column: :from_id
validate_foreign_key :dmails, :users, column: :to_id
validate_foreign_key :email_addresses, :users
validate_foreign_key :favorite_groups, :users, column: :creator_id
validate_foreign_key :favorites, :posts
validate_foreign_key :favorites, :users
validate_foreign_key :forum_post_votes, :forum_posts
validate_foreign_key :forum_post_votes, :users, column: :creator_id
validate_foreign_key :forum_posts, :forum_topics, column: :topic_id
validate_foreign_key :forum_posts, :users, column: :creator_id
validate_foreign_key :forum_posts, :users, column: :updater_id
validate_foreign_key :forum_topic_visits, :users
validate_foreign_key :forum_topic_visits, :forum_topics
validate_foreign_key :forum_topics, :users, column: :creator_id
validate_foreign_key :forum_topics, :users, column: :updater_id
validate_foreign_key :posts, :users, column: :uploader_id
validate_foreign_key :posts, :users, column: :approver_id
validate_foreign_key :posts, :posts, column: :parent_id
validate_foreign_key :ip_bans, :users, column: :creator_id
validate_foreign_key :media_metadata, :media_assets
validate_foreign_key :mod_actions, :users, column: :creator_id
validate_foreign_key :moderation_reports, :users, column: :creator_id
validate_foreign_key :news_updates, :users, column: :creator_id
validate_foreign_key :news_updates, :users, column: :updater_id
validate_foreign_key :notes, :posts
validate_foreign_key :note_versions, :posts
validate_foreign_key :note_versions, :notes
validate_foreign_key :note_versions, :users, column: :updater_id
validate_foreign_key :pixiv_ugoira_frame_data, :posts
validate_foreign_key :post_appeals, :posts
validate_foreign_key :post_appeals, :users, column: :creator_id
validate_foreign_key :post_approvals, :posts
validate_foreign_key :post_approvals, :users
validate_foreign_key :post_disapprovals, :posts
validate_foreign_key :post_disapprovals, :users
validate_foreign_key :post_flags, :posts
validate_foreign_key :post_flags, :users, column: :creator_id
validate_foreign_key :post_replacements, :posts
validate_foreign_key :post_replacements, :users, column: :creator_id
validate_foreign_key :post_votes, :posts
validate_foreign_key :post_votes, :users
validate_foreign_key :saved_searches, :users
validate_foreign_key :tag_aliases, :forum_posts
validate_foreign_key :tag_aliases, :forum_topics
validate_foreign_key :tag_aliases, :users, column: :approver_id
validate_foreign_key :tag_aliases, :users, column: :creator_id
validate_foreign_key :tag_implications, :forum_posts
validate_foreign_key :tag_implications, :forum_topics
validate_foreign_key :tag_implications, :users, column: :approver_id
validate_foreign_key :tag_implications, :users, column: :creator_id
validate_foreign_key :uploads, :posts
validate_foreign_key :uploads, :posts, column: :parent_id
validate_foreign_key :uploads, :users, column: :uploader_id
validate_foreign_key :users, :users, column: :inviter_id
validate_foreign_key :user_events, :users
validate_foreign_key :user_events, :user_sessions
validate_foreign_key :user_feedback, :users
validate_foreign_key :user_feedback, :users, column: :creator_id
validate_foreign_key :user_name_change_requests, :users
validate_foreign_key :user_upgrades, :users, column: :recipient_id
validate_foreign_key :user_upgrades, :users, column: :purchaser_id
validate_foreign_key :wiki_page_versions, :users, column: :updater_id
validate_foreign_key :wiki_page_versions, :wiki_pages
end
end