mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-20 13:15:42 +00:00
28 lines
1.1 KiB
SQL
28 lines
1.1 KiB
SQL
SET allow_experimental_statistics = 1;
|
|
SET allow_statistics_optimize = 1;
|
|
SET mutations_sync = 1;
|
|
|
|
DROP TABLE IF EXISTS tab;
|
|
CREATE TABLE tab (a Float64 STATISTICS(tdigest)) Engine = MergeTree() ORDER BY tuple();
|
|
INSERT INTO tab SELECT number FROM system.numbers LIMIT 10000;
|
|
SELECT count(*) FROM tab WHERE a < '10';
|
|
DROP TABLE tab;
|
|
|
|
DROP TABLE IF EXISTS tab;
|
|
CREATE TABLE tab (a Int32 STATISTICS(tdigest)) Engine = MergeTree() ORDER BY tuple();
|
|
INSERT INTO tab SELECT number FROM system.numbers LIMIT 10000;
|
|
SELECT count(*) FROM tab WHERE a < '10.5'; -- { serverError TYPE_MISMATCH }
|
|
DROP TABLE tab;
|
|
|
|
DROP TABLE IF EXISTS tab;
|
|
CREATE TABLE tab (a Int32 STATISTICS(tdigest)) Engine = MergeTree() ORDER BY tuple();
|
|
INSERT INTO tab SELECT number FROM system.numbers LIMIT 10000;
|
|
SELECT count(*) FROM tab WHERE a < 10.5;
|
|
DROP TABLE tab;
|
|
|
|
DROP TABLE IF EXISTS tab;
|
|
CREATE TABLE tab (a Int16 STATISTICS(tdigest)) Engine = MergeTree() ORDER BY tuple();
|
|
INSERT INTO tab SELECT number FROM system.numbers LIMIT 10000;
|
|
SELECT count(*) FROM tab WHERE a < '9999999999999999999999999';
|
|
DROP TABLE tab;
|