Function rest_database_service_get_migration_status 

async fn rest_database_service_get_migration_status<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Query<GetMigrationStatusRequest>,
) -> Result<Json<MigrationStatusResponse>, RestError>
where
    S: DatabaseService + Send + Sync + 'static,

GetMigrationStatus - JSON endpoint.

GET /v2/database/migration-status