1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20200807070820_add_index_for_compliance_merged_merge_request_to_events.rb b/db/migrate/20200807070820_add_index_for_compliance_merged_merge_request_to_events.rb
new file mode 100644
index 00000000000..4650437056e
--- /dev/null
+++ b/db/migrate/20200807070820_add_index_for_compliance_merged_merge_request_to_events.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddIndexForComplianceMergedMergeRequestToEvents < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_events_on_project_id_and_id_desc_on_merged_action'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :events, [:project_id, :id],
+      order: { id: :desc },
+      where: "action = 7", name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :events, INDEX_NAME
+  end
+end