ndb_minmax.test

来自「这是linux下运行的mysql软件包,可用于linux 下安装 php + m」· TEST 代码 · 共 66 行

-- source include/have_ndb.inc
-- source include/not_embedded.inc

--disable_warnings
drop table if exists t1, t2;
--enable_warnings

CREATE TABLE t1 (
  a int PRIMARY KEY
) engine = ndb;

INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (5);
INSERT INTO t1 VALUES (6);
  
select MAX(a) from t1;
select MAX(a) from t1;
select MAX(a) from t1;
select MAX(a) from t1;
select MIN(a) from t1;
select MIN(a) from t1;
select MIN(a) from t1;
select * from t1 order by a;
select MIN(a) from t1;
select MAX(a) from t1;
select MAX(a) from t1;
select * from t1 order by a;
drop table t1;


CREATE TABLE t2 (
  a int PRIMARY KEY,
  b int not null,
  c int not null,
  KEY(b),
  UNIQUE(c)
) engine = ndb;

INSERT INTO t2 VALUES (1, 5, 1);
INSERT INTO t2 VALUES (2, 2, 7);
INSERT INTO t2 VALUES (3, 3, 3);
INSERT INTO t2 VALUES (4, 4, 4);
INSERT INTO t2 VALUES (5, 5, 5);
INSERT INTO t2 VALUES (6, 6, 6);
INSERT INTO t2 VALUES (7, 2, 10);
INSERT INTO t2 VALUES (8, 10, 2);

  
select MAX(a) from t2;
select MAX(b) from t2;
select MAX(c) from t2;
select MIN(a) from t2;
select MIN(b) from t2;
select MIN(c) from t2;
select * from t2 order by a;
select MIN(b) from t2;
select MAX(a) from t2;
select MAX(c) from t2;
select * from t2 order by a;
drop table t2;

# End of 4.1 tests