mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
33 lines
1.0 KiB
SQL
33 lines
1.0 KiB
SQL
DROP TABLE IF EXISTS test;
|
|
CREATE TABLE test (i UInt64) Engine = MergeTree() order by i;
|
|
INSERT INTO test SELECT number FROM numbers(100);
|
|
INSERT INTO test SELECT number FROM numbers(10,100);
|
|
OPTIMIZE TABLE test FINAL;
|
|
|
|
-- Only set limit
|
|
SET limit = 5;
|
|
SELECT * FROM test; -- 5 rows
|
|
SELECT * FROM test OFFSET 20; -- 5 rows
|
|
SELECT * FROM (SELECT i FROM test LIMIT 10 OFFSET 50) TMP; -- 5 rows
|
|
SELECT * FROM test LIMIT 4 OFFSET 192; -- 4 rows
|
|
SELECT * FROM test LIMIT 10 OFFSET 195; -- 5 rows
|
|
|
|
-- Only set offset
|
|
SET limit = 0;
|
|
SET offset = 195;
|
|
SELECT * FROM test; -- 5 rows
|
|
SELECT * FROM test OFFSET 20; -- no result
|
|
SELECT * FROM test LIMIT 100; -- no result
|
|
SET offset = 10;
|
|
SELECT * FROM test LIMIT 20 OFFSET 100; -- 10 rows
|
|
SELECT * FROM test LIMIT 11 OFFSET 100; -- 1 rows
|
|
|
|
-- offset and limit together
|
|
SET limit = 10;
|
|
SELECT * FROM test LIMIT 50 OFFSET 50; -- 10 rows
|
|
SELECT * FROM test LIMIT 50 OFFSET 190; -- 0 rows
|
|
SELECT * FROM test LIMIT 50 OFFSET 185; -- 5 rows
|
|
SELECT * FROM test LIMIT 18 OFFSET 5; -- 8 rows
|
|
|
|
DROP TABLE test;
|