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