thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-09-19 16:20:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

add a test

Browse Source
This commit is contained in:
Han Fei 2024-08-19 17:28:29 +00:00
parent a8a31ed137
commit 3ff97813f4
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tests/queries/0_stateless/03227_test_sample_n.reference Normal file
View File

@ -0,0 +1,2 @@
50000
1

20
tests/queries/0_stateless/03227_test_sample_n.sql Normal file
View File

@ -0,0 +1,20 @@
CREATE TABLE IF NOT EXISTS table_name
(
id UInt64
)
ENGINE = MergeTree()
ORDER BY cityHash64(id)
SAMPLE BY cityHash64(id);
INSERT INTO table_name SELECT rand() from system.numbers limit 10000;
INSERT INTO table_name SELECT rand() from system.numbers limit 10000;
INSERT INTO table_name SELECT rand() from system.numbers limit 10000;
INSERT INTO table_name SELECT rand() from system.numbers limit 10000;
INSERT INTO table_name SELECT rand() from system.numbers limit 10000;
select count() from table_name;
SELECT count() < 50 * 5 FROM (
SELECT * FROM table_name SAMPLE 50
);
DROP TABLE table_name;