2020-05-25 17:10:44 +00:00
|
|
|
DROP TABLE IF EXISTS ints;
|
|
|
|
DROP TABLE IF EXISTS floats;
|
|
|
|
DROP TABLE IF EXISTS strings;
|
|
|
|
|
|
|
|
CREATE TABLE ints (
|
|
|
|
a TINYINT,
|
|
|
|
b TINYINT(8),
|
|
|
|
c SMALLINT,
|
|
|
|
d SMALLINT(16),
|
|
|
|
e INT,
|
|
|
|
f INT(32),
|
|
|
|
g BIGINT,
|
|
|
|
h BIGINT(64)
|
|
|
|
) engine=Memory;
|
|
|
|
|
|
|
|
INSERT INTO ints VALUES (1, 8, 11, 16, 21, 32, 41, 64);
|
|
|
|
|
|
|
|
SELECT toTypeName(a), toTypeName(b), toTypeName(c), toTypeName(d), toTypeName(e), toTypeName(f), toTypeName(g), toTypeName(h) FROM ints;
|
|
|
|
|
|
|
|
CREATE TABLE floats (
|
|
|
|
a FLOAT,
|
|
|
|
b FLOAT(12),
|
|
|
|
c FLOAT(15, 22),
|
|
|
|
d DOUBLE,
|
|
|
|
e DOUBLE(12),
|
|
|
|
f DOUBLE(4, 18)
|
|
|
|
|
|
|
|
) engine=Memory;
|
|
|
|
|
|
|
|
INSERT INTO floats VALUES (1.1, 1.2, 1.3, 41.1, 41.1, 42.1);
|
|
|
|
|
|
|
|
SELECT toTypeName(a), toTypeName(b), toTypeName(c), toTypeName(d), toTypeName(e), toTypeName(f) FROM floats;
|
|
|
|
|
|
|
|
|
|
|
|
CREATE TABLE strings (
|
|
|
|
a VARCHAR,
|
|
|
|
b VARCHAR(11)
|
|
|
|
) engine=Memory;
|
|
|
|
|
|
|
|
INSERT INTO strings VALUES ('test', 'string');
|
|
|
|
|
|
|
|
SELECT toTypeName(a), toTypeName(b) FROM strings;
|
2020-11-11 15:29:36 +00:00
|
|
|
|
|
|
|
DROP TABLE floats;
|
|
|
|
DROP TABLE ints;
|
|
|
|
DROP TABLE strings;
|