mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
13 lines
810 B
SQL
13 lines
810 B
SQL
DROP TABLE IF EXISTS pk;
|
|
|
|
CREATE TABLE pk (d Date DEFAULT '2000-01-01', x DateTime, y UInt64, z UInt64) ENGINE = MergeTree() PARTITION BY d ORDER BY (toStartOfMinute(x), y, z) SETTINGS index_granularity_bytes=19, min_index_granularity_bytes=1, write_final_mark = 0; -- one row granule
|
|
|
|
INSERT INTO pk (x, y, z) VALUES (1, 11, 1235), (2, 11, 4395), (3, 22, 3545), (4, 22, 6984), (5, 33, 4596), (61, 11, 4563), (62, 11, 4578), (63, 11, 3572), (64, 22, 5786), (65, 22, 5786), (66, 22, 2791), (67, 22, 2791), (121, 33, 2791), (122, 33, 2791), (123, 33, 1235), (124, 44, 4935), (125, 44, 4578), (126, 55, 5786), (127, 55, 2791), (128, 55, 1235);
|
|
|
|
SET max_block_size = 1;
|
|
SET max_rows_to_read = 5;
|
|
|
|
SELECT toUInt32(x), y, z FROM pk WHERE (x >= toDateTime(100000)) AND (x <= toDateTime(3));
|
|
|
|
DROP TABLE IF EXISTS pk;
|