Add latest changes from gitlab-org/gitlab@13-3-stable-ee

1 files changed, 24 insertions, 0 deletions

diff --git a/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb b/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb
new file mode 100644
index 00000000000..9b466f8734f
--- /dev/null
+++ b/db/migrate/20200813143356_remove_old_external_diff_migration_index.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class RemoveOldExternalDiffMigrationIndex < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index_by_name(
+      :merge_request_diffs,
+      'index_merge_request_diffs_on_merge_request_id_and_id_partial'
+    )
+  end
+
+  def down
+    add_concurrent_index(
+      :merge_request_diffs,
+      [:merge_request_id, :id],
+      where: { stored_externally: [nil, false] }
+    )
+  end
+end