mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 15:12:02 +00:00
materialize in partition
This commit is contained in:
parent
0a4761a8fa
commit
1dc2eed169
@ -1,4 +1,8 @@
|
||||
5
|
||||
"rows_read": 10,
|
||||
5
|
||||
"rows_read": 8,
|
||||
5
|
||||
"rows_read": 6,
|
||||
5
|
||||
"rows_read": 6,
|
||||
|
@ -13,21 +13,22 @@ CREATE TABLE test.minmax_idx
|
||||
i64 Int64,
|
||||
i32 Int32
|
||||
) ENGINE = MergeTree()
|
||||
PARTITION BY i32
|
||||
ORDER BY u64
|
||||
SETTINGS index_granularity = 2;"
|
||||
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="INSERT INTO test.minmax_idx VALUES
|
||||
(0, 2, 1),
|
||||
(1, 1, 2),
|
||||
(2, 1, 3),
|
||||
(3, 1, 4),
|
||||
(4, 2, 5),
|
||||
(5, 2, 6),
|
||||
(6, 2, 7),
|
||||
(7, 2, 8),
|
||||
(8, 1, 9),
|
||||
(9, 1, 10)"
|
||||
(1, 1, 1),
|
||||
(2, 1, 1),
|
||||
(3, 1, 1),
|
||||
(4, 2, 2),
|
||||
(5, 2, 2),
|
||||
(6, 2, 2),
|
||||
(7, 2, 2),
|
||||
(8, 1, 2),
|
||||
(9, 1, 2)"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read"
|
||||
@ -36,6 +37,16 @@ $CLICKHOUSE_CLIENT -n --query="
|
||||
SET allow_experimental_data_skipping_indices=1;
|
||||
ALTER TABLE test.minmax_idx ADD INDEX idx (i64, u64 * i64) TYPE minmax GRANULARITY 1;"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="ALTER TABLE test.minmax_idx MATERIALIZE INDEX idx IN PARTITION 1;"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="ALTER TABLE test.minmax_idx MATERIALIZE INDEX idx IN PARTITION 2;"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="ALTER TABLE test.minmax_idx MATERIALIZE INDEX idx;"
|
||||
|
||||
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
|
||||
|
Loading…
Reference in New Issue
Block a user