Use upsert_all and insert_all to reduce back-and-forth in costly migrations (#29752)

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Claire 2024-03-26 16:57:08 +01:00 committed by GitHub
parent 9c24f2d6b1
commit de740dfb9c
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2 changed files with 75 additions and 71 deletions

View file

@ -4,46 +4,50 @@ class MigrateInteractionSettingsToPolicy < ActiveRecord::Migration[7.1]
disable_ddl_transaction!
# Dummy classes, to make migration possible across version changes
class Account < ApplicationRecord
has_one :user, inverse_of: :account
has_one :notification_policy, inverse_of: :account
end
class User < ApplicationRecord
belongs_to :account
belongs_to :notification_policy, foreign_key: 'account_id', primary_key: 'account_id', optional: true, inverse_of: false
end
class NotificationPolicy < ApplicationRecord
belongs_to :account
end
class NotificationPolicy < ApplicationRecord; end
def up
User.includes(account: :notification_policy).find_each do |user|
deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
next if deserialized_settings.nil?
policy = user.account.notification_policy || user.account.build_notification_policy
requires_new_policy = false
if deserialized_settings['interactions.must_be_follower']
policy.filter_not_followers = true
requires_new_policy = true
end
if deserialized_settings['interactions.must_be_following']
policy.filter_not_following = true
requires_new_policy = true
end
unless deserialized_settings['interactions.must_be_following_dm']
policy.filter_private_mentions = false
requires_new_policy = true
end
policy.save if requires_new_policy && policy.changed?
User.includes(:notification_policy).in_batches do |users|
NotificationPolicy.upsert_all(users.filter_map { |user| policy_for_user(user) })
end
end
def down; end
private
def policy_for_user(user)
deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
return if deserialized_settings.nil?
requires_new_policy = false
policy = {
account_id: user.account_id,
filter_not_followers: false,
filter_not_following: false,
filter_private_mentions: true,
}
if deserialized_settings['interactions.must_be_follower']
policy[:filter_not_followers] = true
requires_new_policy = true
end
if deserialized_settings['interactions.must_be_following']
policy[:filter_not_following] = true
requires_new_policy = true
end
unless deserialized_settings['interactions.must_be_following_dm']
policy[:filter_private_mentions] = false
requires_new_policy = true
end
policy if requires_new_policy
end
end

View file

@ -4,51 +4,51 @@ class MigrateInteractionSettingsToPolicyAgain < ActiveRecord::Migration[7.1]
disable_ddl_transaction!
# Dummy classes, to make migration possible across version changes
class Account < ApplicationRecord
has_one :user, inverse_of: :account
has_one :notification_policy, inverse_of: :account
end
class User < ApplicationRecord
belongs_to :account
belongs_to :notification_policy, foreign_key: 'account_id', primary_key: 'account_id', optional: true, inverse_of: false
end
class NotificationPolicy < ApplicationRecord
belongs_to :account
end
class NotificationPolicy < ApplicationRecord; end
def up
User.includes(account: :notification_policy).find_each do |user|
deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
next if deserialized_settings.nil?
# If the user has configured a notification policy, don't override it
next if user.account.notification_policy.present?
policy = user.account.build_notification_policy
requires_new_policy = false
if deserialized_settings['interactions.must_be_follower']
policy.filter_not_followers = true
requires_new_policy = true
end
if deserialized_settings['interactions.must_be_following']
policy.filter_not_following = true
requires_new_policy = true
end
unless deserialized_settings['interactions.must_be_following_dm']
policy.filter_private_mentions = false
requires_new_policy = true
end
policy.save if requires_new_policy && policy.changed?
rescue ActiveRecord::RecordNotUnique
next
User.includes(:notification_policy).in_batches do |users|
NotificationPolicy.insert_all(users.filter_map { |user| policy_for_user(user) })
end
end
def down; end
private
def policy_for_user(user)
deserialized_settings = Oj.load(user.attributes_before_type_cast['settings'])
return if deserialized_settings.nil?
return if user.notification_policy.present?
requires_new_policy = false
policy = {
account_id: user.account_id,
filter_not_followers: false,
filter_not_following: false,
filter_private_mentions: true,
}
if deserialized_settings['interactions.must_be_follower']
policy[:filter_not_followers] = true
requires_new_policy = true
end
if deserialized_settings['interactions.must_be_following']
policy[:filter_not_following] = true
requires_new_policy = true
end
unless deserialized_settings['interactions.must_be_following_dm']
policy[:filter_private_mentions] = false
requires_new_policy = true
end
policy if requires_new_policy
end
end