mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 13:42:02 +00:00
21 lines
506 B
MySQL
21 lines
506 B
MySQL
|
CREATE DATABASE IF NOT EXISTS test;
|
||
|
|
DROP TABLE IF EXISTS test.decimal;
|
||
|
|
|
||
|
|
CREATE TABLE IF NOT EXISTS test.decimal
|
||
|
|
(
|
||
|
|
a DECIMAL(9,4) DEFAULT 0,
|
||
|
|
b DECIMAL(18,4) DEFAULT a / 2,
|
||
|
|
c DECIMAL(38,4) DEFAULT b / 3,
|
||
|
|
d MATERIALIZED a + toDecimal32('0.2', 1),
|
||
|
|
e ALIAS b * 2,
|
||
|
|
f ALIAS c * 6
|
||
|
|
) ENGINE = Memory;
|
||
|
|
|
||
|
|
DESC TABLE test.decimal;
|
||
|
|
|
||
|
|
INSERT INTO test.decimal (a) VALUES (0), (1), (2), (3);
|
||
|
|
SELECT * FROM test.decimal;
|
||
|
|
SELECT a, b, c, d, e, f FROM test.decimal;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS test.decimal;
|