drop table if exists t1;
create table t1 (a int, b int, primary key (a));
insert into t1(a,b) values(1,1),(2,1),(3,1),(4,1);
update t1 set b=2 where a>0;
select * from t1;
a	b
1	2
2	2
3	2
4	2
update t1 set b=3 where a<5;
select * from t1;
a	b
1	3
2	3
3	3
4	3
update t1 set b=4 where a>1;
update t1 set b=5 where a<4;
select * from t1;
a	b
1	5
2	5
3	5
4	4
update t1 set b=6 where a>=1;
select * from t1;
a	b
1	6
2	6
3	6
4	6
update t1 set b=7 where a<=5;
select * from t1;
a	b
1	7
2	7
3	7
4	7
update t1 set b=8 where a>0 and a<2;
update t1 set b=9 where a>=2 and a<3;
update t1 set b=10 where a>=3 and a<=4;
select * from t1;
a	b
1	8
2	9
3	10
4	10
update t1 set b=11 where a=1 or a=2 or a=3 or a=4;
select * from t1;
a	b
1	11
2	11
3	11
4	11
replace into t1(a,b) values(1,1),(2,2),(3,3),(4,4);
update t1 set b=b+1 where b>0;
select * from t1;
a	b
1	2
2	3
3	4
4	5
update t1 set b=b-1 where b<6;
select * from t1;
a	b
1	1
2	2
3	3
4	4
update t1 set b=5 where b>1;
update t1 set b=6 where b<5;
select * from t1;
a	b
1	6
2	5
3	5
4	5
update t1 set b=7 where b>=1;
select * from t1;
a	b
1	7
2	7
3	7
4	7
update t1 set b=8 where b<=7;
select * from t1;
a	b
1	8
2	8
3	8
4	8
replace into t1(a,b) values(1,1),(2,2),(3,3),(4,4);
update t1 set b=10 where b>0 and b<2;
update t1 set b=11 where b>=2 and b<3;
update t1 set b=12 where b>=3 and b<=4;
select * from t1;
a	b
1	10
2	11
3	12
4	12
replace into t1(a,b) values(1,1),(2,2),(3,3),(4,4);
update t1 set b=11 where b=1 or b=2 or b=3 or b=4;
select * from t1;
a	b
1	11
2	11
3	11
4	11
drop table if exists t1;
create table t1(a int, b int, c int, primary key(a));
replace into t1(a,b) values(1,1),(2,2),(3,1),(4,2);
update t1 set c=1 where a>0 and b>1;
update t1 set c=2 where a<5 and b<2;
select * from t1;
a	b	c
1	1	2
2	2	1
3	1	2
4	2	1
update t1 set c=3 where a>=0 and b<=1;
update t1 set c=4 where a<=5 and b>=2;
select * from t1;
a	b	c
1	1	3
2	2	4
3	1	3
4	2	4
update t1 set c=5 where a=0 or a=1 or a=2 or b=1;
update t1 set c=6 where b=2 or a=1 or a=2;
select * from t1;
a	b	c
1	1	6
2	2	6
3	1	5
4	2	6
replace into t1(a,b,c) values(1,1,NULL),(2,2,NULL),(3,3,NULL),(4,4,NULL);
update t1 set c=1 where a<=1 or b>=4;
update t1 set c=2 where a>1 or b<4;
select * from t1;
a	b	c
1	1	2
2	2	2
3	3	2
4	4	2
drop table if exists t1;
create table t1(a int, b int, c int, d int, primary key(a,b));
insert into t1(a,b,c,d) values(1,1,1,1),(2,2,1,1),(3,3,1,1);
update t1 set c=c+1, d=d+1 where (a,b) > (0,0);
select * from t1;
a	b	c	d
1	1	2	2
2	2	2	2
3	3	2	2
update t1 set c=c+1, d=d+1 where (a,b) < (4,4);
select * from t1;
a	b	c	d
1	1	3	3
2	2	3	3
3	3	3	3
update t1 set c=c+1, d=d+1 where (a,b) >= (1,1);
select * from t1;
a	b	c	d
1	1	4	4
2	2	4	4
3	3	4	4
update t1 set c=c+1, d=d+1 where (a,b) <= (1,1);
select * from t1;
a	b	c	d
1	1	5	5
2	2	4	4
3	3	4	4
update t1 set c=c+1, d=d+1 where (a,b) in ((NULL,NULL),(0,0),(1,1),(2,2),(3,3),(4,4));
select * from t1;
a	b	c	d
1	1	6	6
2	2	5	5
3	3	5	5
update t1 set c=c+1, d=d+1 where (a,b)=(1,1) or (a,b)=(2,2) or (a,b)=(3,3);
select * from t1;
a	b	c	d
1	1	7	7
2	2	6	6
3	3	6	6
update t1 set c=1, d=1 where (a,b) in ((1,1),(2,2),(3,3));
update t1 set c=c+1, d=d+1 where (a,b,c,d) >= (1,1,1,1);
select * from t1;
a	b	c	d
1	1	2	2
2	2	2	2
3	3	2	2
update t1 set c=c+1, d=d+1 where (a,b,c,d) <= (3,3,3,3);
select * from t1;
a	b	c	d
1	1	3	3
2	2	3	3
3	3	3	3
update t1 set c=c+1, d=d+1 where (a,b,c,d)=(1,1,1,1) or (a,b,c,d)=(2,2,1,1) or (a,b,c,d)=(3,3,3,3);
select * from t1;
a	b	c	d
1	1	3	3
2	2	3	3
3	3	4	4
drop table if exists t1;
create table t1(a int, b int, c int, d int, primary key(a,b));
insert into t1(a,b,c,d) values(1,1,1,1),(1,2,1,1),(1,3,1,1);
update t1 set c=c+1, d=d+1 where a = 1;
select * from t1;
a	b	c	d
1	1	2	2
1	2	2	2
1	3	2	2
update t1 set c=c+1, d=d+1 where a > 0;
update t1 set c=c+1, d=d+1 where a >=1 ;
select * from t1;
a	b	c	d
1	1	4	4
1	2	4	4
1	3	4	4
update t1 set c=c+1, d=d+1 where a < 4;
select * from t1;
a	b	c	d
1	1	5	5
1	2	5	5
1	3	5	5
update t1 set c=c+1, d=d+1 where a <= 1;
select * from t1;
a	b	c	d
1	1	6	6
1	2	6	6
1	3	6	6
update t1 set c=c+1, d=d+1 where a=1 or a=2 or a=3;
select * from t1;
a	b	c	d
1	1	7	7
1	2	7	7
1	3	7	7
update t1 set c=c+1, d=d+1 where (a=1 or a=2 or a=3) and (b=1 or b=2);
select * from t1;
a	b	c	d
1	1	8	8
1	2	8	8
1	3	7	7
update t1 set c=c+1, d=d+1 where a>=1 and b>=2;
select * from t1;
a	b	c	d
1	1	8	8
1	2	9	9
1	3	8	8
drop table if exists t1;
create table t1(a int, b int, c int, d int, primary key(a,b));
replace into t1(a,b,c,d) values(1,1,1,1),(2,2,2,1),(3,3,3,1);
update t1 set d=d+1 where (a,b)>=(1,1) and c=1;
select * from t1;
a	b	c	d
1	1	1	2
2	2	2	1
3	3	3	1
update t1 set d=d+1 where (a,b)>=(1,1) and c=3;
select * from t1;
a	b	c	d
1	1	1	2
2	2	2	1
3	3	3	2
update t1 set d=d+1 where (a=1 or a=2 or a=3) and c>=1;
select * from t1;
a	b	c	d
1	1	1	3
2	2	2	2
3	3	3	3
update t1 set d=d+1 where (a=1 or a=2 or a=3) and c<1;
select * from t1;
a	b	c	d
1	1	1	3
2	2	2	2
3	3	3	3
update t1 set d=d+1 where (a=1 or a=2 or a=3) and (b=2 or b=3);
select * from t1;
a	b	c	d
1	1	1	3
2	2	2	3
3	3	3	4
update t1 set d=d+1 where (a=1 or a=2 or a=3) and (b=2 or b=3) and c=3;
select * from t1;
a	b	c	d
1	1	1	3
2	2	2	3
3	3	3	5
update t1 set c=c+1, d=d+1 where a>=0 and a<=3 and b>1 and b<3;
select * from t1;
a	b	c	d
1	1	1	3
2	2	3	4
3	3	3	5
update t1 set c=c+1, d=d+1 where (c,d)>=(1,1);
select * from t1;
a	b	c	d
1	1	2	4
2	2	4	5
3	3	4	6
update t1 set c=c+1, d=d+1 where (b,a) > (1,1);
select * from t1;
a	b	c	d
1	1	2	4
2	2	5	6
3	3	5	7
drop table if exists t1, t2, t3;
create table t1(a int, b int, c int, d int, primary key(a,b,c));
insert into t1(a,b,c) values (1,1,1),(2,2,2),(3,3,3);
update t1 set d=1 where (a,b,c)>(0,0,0) and (a,b,c)<=(3,3,3);
select * from t1;
a	b	c	d
1	1	1	1
2	2	2	1
3	3	3	1
create table t2(a varchar(1024), b varchar(1024), c varchar(1024), d varchar(1024), primary key(a,b,c));
insert into t2(a,b,c) values ('a','a','a'),('b','b','b'),('c','c','c');
update t2 set d='a' where (a,b,c)>=('a','a','b') and (a,b,c)<('b','b','c');
select * from t2;
a	b	c	d
a	a	a	NULL
b	b	b	a
c	c	c	NULL
create table t3(a int, b varchar(1024), c  timestamp(6) default "2012-01-01 12:00:00", d int, primary key(a,b,c));
insert into t3(a,b,c) values (1,'a','2014-02-17'),(2,'b','2014-02-17'),(3,'c','2014-02-18');
update t3 set d=1 where (a,b,c)>=(1,'a','2014-02-17 00:00:00') and (a,b,c)<=(2,'b','2014-02-18');
select * from t3;
a	b	c	d
1	a	2014-02-17 00:00:00.000000	1
2	b	2014-02-17 00:00:00.000000	1
3	c	2014-02-18 00:00:00.000000	NULL
drop table if exists t1, t2, t3;