1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20200826212800_add_index_on_merge_request_id_and_rule_type_to_approval_merge_request_rule.rb b/db/migrate/20200826212800_add_index_on_merge_request_id_and_rule_type_to_approval_merge_request_rule.rb
new file mode 100644
index 00000000000..a40e09648ef
--- /dev/null
+++ b/db/migrate/20200826212800_add_index_on_merge_request_id_and_rule_type_to_approval_merge_request_rule.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddIndexOnMergeRequestIdAndRuleTypeToApprovalMergeRequestRule < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = "approval_mr_rule_index_merge_request_id"
+
+  def up
+    add_concurrent_index(
+      :approval_merge_request_rules,
+      :merge_request_id,
+      name: INDEX_NAME
+    )
+  end
+
+  def down
+    remove_concurrent_index_by_name :approval_merge_request_rules, INDEX_NAME
+  end
+end