1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20200728174137_add_index_on_design_management_designs_issue_id_and_relative_position_and_id.rb b/db/migrate/20200728174137_add_index_on_design_management_designs_issue_id_and_relative_position_and_id.rb
new file mode 100644
index 00000000000..140c344e837
--- /dev/null
+++ b/db/migrate/20200728174137_add_index_on_design_management_designs_issue_id_and_relative_position_and_id.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddIndexOnDesignManagementDesignsIssueIdAndRelativePositionAndId < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_design_management_designs_issue_id_relative_position_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :design_management_designs, [:issue_id, :relative_position, :id], name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index :design_management_designs, [:issue_id, :relative_position, :id], name: INDEX_NAME
+  end
+end