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Fix null values being included in some indexes (#17711)

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* Fix null values being included in some indexes

* Update lib/mastodon/migration_helpers.rb

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

* Add documentation link to corruption error message

Co-authored-by: Claire <claire.github-309c@sitedethib.com>
This commit is contained in:
Eugen Rochko 2022-03-12 08:12:57 +01:00 • committed by GitHub
parent bc320d6cec
commit 75e33fd08f
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23 changed files with 354 additions and 37 deletions
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2
db/migrate/20200620164023_add_fixed_lowercase_index_to_accounts.rb
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@ -16,7 +16,7 @@ class AddFixedLowercaseIndexToAccounts < ActiveRecord::Migration[5.2]
add_index :accounts, "lower (username), COALESCE(lower(domain), '')", name: 'index_accounts_on_username_and_domain_lower', unique: true, algorithm: :concurrently
rescue ActiveRecord::RecordNotUnique
remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
raise CorruptionError
raise CorruptionError.new('index_accounts_on_username_and_domain_lower')
end
remove_index :accounts, name: 'old_index_accounts_on_username_and_domain_lower' if index_name_exists?(:accounts, 'old_index_accounts_on_username_and_domain_lower')

2
db/migrate/20210421121431_add_case_insensitive_btree_index_to_tags.rb
View file

@ -10,7 +10,7 @@ class AddCaseInsensitiveBtreeIndexToTags < ActiveRecord::Migration[5.2]
safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower_btree ON tags (lower(name) text_pattern_ops)' }
rescue ActiveRecord::StatementInvalid => e
remove_index :tags, name: 'index_tags_on_name_lower_btree'
raise CorruptionError if e.is_a?(ActiveRecord::RecordNotUnique)
raise CorruptionError.new('index_tags_on_name_lower_btree') if e.is_a?(ActiveRecord::RecordNotUnique)
raise e
end