Add test 03213_denseRank_percentRank_alias

This commit is contained in:
Peter Nguyen 2024-07-28 17:32:32 -07:00
parent cb056cf3a5
commit 9811a2e71b
2 changed files with 104 additions and 0 deletions

View File

@ -0,0 +1,45 @@
---- denseRank() ----
0 0 0 1 1 1 1
3 0 0 2 2 2 2
1 0 1 3 3 3 3
4 0 1 4 4 4 4
2 0 2 5 5 5 5
6 1 0 1 1 1 1
9 1 0 2 2 2 2
7 1 1 3 3 3 3
5 1 2 4 4 4 4
8 1 2 5 5 5 5
12 2 0 1 1 1 1
10 2 1 2 2 2 2
13 2 1 3 3 3 3
11 2 2 4 4 4 4
14 2 2 5 5 5 5
15 3 0 1 1 1 1
18 3 0 2 2 2 2
16 3 1 3 3 3 3
19 3 1 4 4 4 4
17 3 2 5 5 5 5
21 4 0 1 1 1 1
24 4 0 2 2 2 2
22 4 1 3 3 3 3
20 4 2 4 4 4 4
23 4 2 5 5 5 5
27 5 0 1 1 1 1
25 5 1 2 2 2 2
28 5 1 3 3 3 3
26 5 2 4 4 4 4
29 5 2 5 5 5 5
30 6 0 1 1 1 1
---- percentRank() ----
Lenovo Thinkpad Laptop 700 1 0
Sony VAIO Laptop 700 1 0
Dell Vostro Laptop 800 3 0.6666666666666666
HP Elite Laptop 1200 4 1
Microsoft Lumia Smartphone 200 1 0
HTC One Smartphone 400 2 0.3333333333333333
Nexus Smartphone 500 3 0.6666666666666666
iPhone Smartphone 900 4 1
Kindle Fire Tablet 150 1 0
Samsung Galaxy Tab Tablet 200 2 0.5
iPad Tablet 700 3 1
Others Unknow 200 1 0

View File

@ -0,0 +1,59 @@
-- https://github.com/ClickHouse/ClickHouse/issues/67042
-- Reference generated using percent_rank() and dense_rank()
-- From ClickHouse/tests/queries/0_stateless/01591_window_functions.sql (for deterministic query)
SELECT '---- denseRank() ----';
select number, p, o,
count(*) over w,
rank() over w,
denseRank() over w,
row_number() over w
from (select number, intDiv(number, 5) p, mod(number, 3) o
from numbers(31) order by o, number) t
window w as (partition by p order by o, number)
order by p, o, number
settings max_block_size = 2;
-- Modifed from ClickHouse/tests/queries/0_stateless/01592_window_functions.sql (for deterministic query)
SELECT '---- percentRank() ----';
drop table if exists product_groups;
drop table if exists products;
CREATE TABLE product_groups (
group_id Int64,
group_name String
) Engine = Memory;
CREATE TABLE products (
product_id Int64,
product_name String,
price DECIMAL(11, 2),
group_id Int64
) Engine = Memory;
INSERT INTO product_groups VALUES (1, 'Smartphone'),(2, 'Laptop'),(3, 'Tablet');
INSERT INTO products (product_id,product_name, group_id,price) VALUES (1, 'Microsoft Lumia', 1, 200), (2, 'HTC One', 1, 400), (3, 'Nexus', 1, 500), (4, 'iPhone', 1, 900),(5, 'HP Elite', 2, 1200),(6, 'Lenovo Thinkpad', 2, 700),(7, 'Sony VAIO', 2, 700),(8, 'Dell Vostro', 2, 800),(9, 'iPad', 3, 700),(10, 'Kindle Fire', 3, 150),(11, 'Samsung Galaxy Tab', 3, 200);
INSERT INTO product_groups VALUES (4, 'Unknow');
INSERT INTO products (product_id,product_name, group_id,price) VALUES (12, 'Others', 4, 200);
SELECT *
FROM
(
SELECT
product_name,
group_name,
price,
rank() OVER (PARTITION BY group_name ORDER BY price ASC) AS rank,
percentRank() OVER (PARTITION BY group_name ORDER BY price ASC) AS percent
FROM products
INNER JOIN product_groups USING (group_id)
) AS t
ORDER BY
group_name ASC,
price ASC,
product_name ASC;
drop table product_groups;
drop table products;