Merge remote-tracking branch 'tootsuite/master' into glitchsoc/master

db/migrate/20171122120436_add_index_account_and_reblog_of_id_to_statuses.rb

@@ -1,6 +1,12 @@
 class AddIndexAccountAndReblogOfIdToStatuses < ActiveRecord::Migration[5.1]
-  def change
-    commit_db_transaction
-    add_index :statuses, [:account_id, :reblog_of_id], algorithm: :concurrently
+  disable_ddl_transaction!
+
+  def up
+    # This index has been superseded by migration 20171125185353
+    # add_index :statuses, [:account_id, :reblog_of_id], algorithm: :concurrently
+  end
+
+  def down
+    remove_index :statuses, [:account_id, :reblog_of_id] if index_exists?(:statuses, [:account_id, :reblog_of_id])
   end
 end

db/migrate/20171125185353_add_index_reblog_of_id_and_account_to_statuses.rb

@@ -0,0 +1,7 @@
+class AddIndexReblogOfIdAndAccountToStatuses < ActiveRecord::Migration[5.1]
+  disable_ddl_transaction!
+
+  def change
+    add_index :statuses, [:reblog_of_id, :account_id], algorithm: :concurrently
+  end
+end

db/migrate/20171125190735_remove_old_reblog_index_on_statuses.rb

@@ -0,0 +1,14 @@
+class RemoveOldReblogIndexOnStatuses < ActiveRecord::Migration[5.1]
+  disable_ddl_transaction!
+
+  def up
+    # This index may not exists (see migration 20171122120436)
+    remove_index :statuses, [:account_id, :reblog_of_id] if index_exists?(:statuses, [:account_id, :reblog_of_id])
+
+    remove_index :statuses, :reblog_of_id
+  end
+
+  def down
+    add_index :statuses, :reblog_of_id, algorithm: :concurrently
+  end
+end