1 files changed, 15 insertions, 0 deletions
diff --git a/db/post_migrate/20220127112412_add_index_to_merge_request_reviewers_state.rb b/db/post_migrate/20220127112412_add_index_to_merge_request_reviewers_state.rb
new file mode 100644
index 00000000000..13f4e05c15b
--- /dev/null
+++ b/db/post_migrate/20220127112412_add_index_to_merge_request_reviewers_state.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddIndexToMergeRequestReviewersState < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_on_merge_request_reviewers_state'
+
+  def up
+    add_concurrent_index :merge_request_reviewers, :state, where: 'state = 2', name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :merge_request_reviewers, INDEX_NAME
+  end
+end