| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| USE tpcds; |
| |
| SELECT |
| ROUND(SUM(ss.ss_net_profit) / SUM(ss.ss_ext_sales_price), 2) AS gross_margin, |
| i.i_category, |
| i.i_class, |
| GROUPING(i.i_category) + GROUPING(i.i_class) AS lochierarchy, |
| RANK() OVER ( |
| PARTITION BY |
| GROUPING(i.i_category) + GROUPING(i.i_class), |
| CASE WHEN GROUPING(i.i_class) = 0 THEN i.i_category END |
| ORDER BY |
| SUM(ss.ss_net_profit) / SUM(ss.ss_ext_sales_price) ASC |
| ) AS rank_within_parent |
| FROM store_sales ss, date_dim d, item i, store s |
| WHERE d.d_year = 1999 |
| AND d.d_date_sk = ss.ss_sold_date_sk |
| AND i.i_item_sk = ss.ss_item_sk |
| AND s.s_store_sk = ss.ss_store_sk |
| AND s.s_state IN ['TN','TN'] |
| GROUP BY |
| ROLLUP(i.i_category, i.i_class) |
| ORDER BY |
| lochierarchy DESC, |
| CASE WHEN lochierarchy = 0 THEN i.i_category END, |
| rank_within_parent |
| /* TODO(dmitry). makes result stable. revisit. */ |
| , i.i_category, i.i_class |
| LIMIT 100; |
