1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20201221225303_add_service_desk_reply_to_is_not_null_index_on_issues.rb b/db/migrate/20201221225303_add_service_desk_reply_to_is_not_null_index_on_issues.rb
new file mode 100644
index 00000000000..fb5429af458
--- /dev/null
+++ b/db/migrate/20201221225303_add_service_desk_reply_to_is_not_null_index_on_issues.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddServiceDeskReplyToIsNotNullIndexOnIssues < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'idx_on_issues_where_service_desk_reply_to_is_not_null'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:issues, [:id], name: INDEX_NAME, where: 'service_desk_reply_to IS NOT NULL')
+  end
+
+  def down
+    remove_concurrent_index_by_name(:issues, INDEX_NAME)
+  end
+end