mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-13 09:52:38 +00:00
24 lines
1020 B
MySQL
24 lines
1020 B
MySQL
|
DROP TABLE IF EXISTS test1;
|
||
|
|
DROP TABLE IF EXISTS test2;
|
||
|
|
DROP TABLE IF EXISTS test3;
|
||
|
|
|
||
|
|
CREATE TABLE test1 (n UInt64) ENGINE = MergeTree ORDER BY n SETTINGS index_granularity = 1;
|
||
|
|
CREATE TABLE test2 (s String) ENGINE = MergeTree ORDER BY s SETTINGS index_granularity = 1;
|
||
|
|
CREATE TABLE test3 (d Decimal(4, 3)) ENGINE = MergeTree ORDER BY d SETTINGS index_granularity = 1;
|
||
|
|
|
||
|
|
INSERT INTO test1 SELECT * FROM numbers(10000);
|
||
|
|
SELECT n FROM test1 WHERE toFloat64(n) = 7777.0 SETTINGS max_rows_to_read = 2;
|
||
|
|
SELECT n FROM test1 WHERE toFloat32(n) = 7777.0 SETTINGS max_rows_to_read = 2;
|
||
|
|
|
||
|
|
INSERT INTO test2 SELECT toString(number) FROM numbers(10000);
|
||
|
|
SELECT s FROM test2 WHERE toFloat64(s) = 7777.0;
|
||
|
|
SELECT s FROM test2 WHERE toFloat32(s) = 7777.0;
|
||
|
|
|
||
|
|
INSERT INTO test3 SELECT toDecimal64(number, 3) FROM numbers(10000);
|
||
|
|
SELECT d FROM test3 WHERE toFloat64(d) = 7777.0 SETTINGS max_rows_to_read = 2;
|
||
|
|
SELECT d FROM test3 WHERE toFloat32(d) = 7777.0 SETTINGS max_rows_to_read = 2;
|
||
|
|
|
||
|
|
DROP TABLE test1;
|
||
|
|
DROP TABLE test2;
|
||
|
|
DROP TABLE test3;
|