Gab Social. All are welcome.

db/post_migrate/20180813113448_copy_status_stats_cleanup.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class CopyStatusStatsCleanup < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def change
+    safety_assured do
+      remove_column :statuses, :reblogs_count, :integer, default: 0, null: false
+      remove_column :statuses, :favourites_count, :integer, default: 0, null: false
+    end
+  end
+end

db/post_migrate/20181116184611_copy_account_stats_cleanup.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class CopyAccountStatsCleanup < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def change
+    safety_assured do
+      remove_column :accounts, :statuses_count, :integer, default: 0, null: false
+      remove_column :accounts, :following_count, :integer, default: 0, null: false
+      remove_column :accounts, :followers_count, :integer, default: 0, null: false
+    end
+  end
+end

db/post_migrate/20190511152737_remove_suspended_silenced_account_fields.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+class RemoveSuspendedSilencedAccountFields < ActiveRecord::Migration[5.2]
+  class Account < ApplicationRecord
+    # Dummy class, to make migration possible across version changes
+  end
+
+  class DomainBlock < ApplicationRecord
+    # Dummy class, to make migration possible across version changes
+    enum severity: [:silence, :suspend, :noop]
+
+    has_many :accounts, foreign_key: :domain, primary_key: :domain
+  end
+
+  disable_ddl_transaction!
+
+  def up
+    # Record suspend date of blocks and silences for users whose limitations match
+    # a domain block
+    DomainBlock.where(severity: [:silence, :suspend]).find_each do |block|
+      scope = block.accounts
+      if block.suspend?
+        block.accounts.where(suspended: true).in_batches.update_all(suspended_at: block.created_at)
+      else
+        block.accounts.where(silenced: true).in_batches.update_all(silenced_at: block.created_at)
+      end
+    end
+
+    # Set dates for accounts which have limitations not related to a domain block
+    Account.where(suspended: true, suspended_at: nil).in_batches.update_all(suspended_at: Time.now.utc)
+    Account.where(silenced: true, silenced_at: nil).in_batches.update_all(silenced_at: Time.now.utc)
+
+    safety_assured do
+      remove_column :accounts, :suspended, :boolean, null: false, default: false
+      remove_column :accounts, :silenced, :boolean, null: false, default: false
+    end
+  end
+
+  def down
+    safety_assured do
+      add_column :accounts, :suspended, :boolean, null: false, default: false
+      add_column :accounts, :silenced, :boolean, null: false, default: false
+    end
+  end
+end

db/post_migrate/20190519130537_remove_boosts_widening_audience.rb

@@ -0,0 +1,23 @@
+class RemoveBoostsWideningAudience < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def up
+    public_boosts = Status.find_by_sql(<<-SQL)
+      SELECT boost.id
+      FROM statuses AS boost
+      LEFT JOIN statuses AS boosted ON boost.reblog_of_id = boosted.id
+      WHERE
+        boost.id > 101746055577600000
+        AND (boost.local = TRUE OR boost.uri IS NULL)
+        AND boost.visibility IN (0, 1)
+        AND boost.reblog_of_id IS NOT NULL
+        AND boosted.visibility = 2
+    SQL
+
+    RemovalWorker.push_bulk(public_boosts.pluck(:id))
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end