@Override
                        protected Connection getConnection() {
                            return SQLStatisticValueBatchSaveServiceTestDatabaseTool.this.getConnection();
                        }
Utility that can be run as a main method to manually perform aggregation
stroom-statistics/stroom-statistics-impl-sql/src/main/java/stroom/statistics/impl/sql/SQLStatisticValueBatchSaveServiceTestDatabaseTool.java