public static String getTablesPath(final String databaseName, final String schemaName) {
        return String.join("/", getSchemaDataPath(databaseName, schemaName), TABLES_NODE);
    }
@Test
    void assertGetTablesPath() {
        assertThat(ShardingSphereDataNode.getTablesPath("db_name", "db_schema"), is("/statistics/databases/db_name/schemas/db_schema/tables"));
    }