heap.test
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:3k
- #
- # Test of heap tables.
- #
- create table t1 (a int not null,b int not null, primary key (a)) type=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
- insert into t1 values(1,1),(2,2),(3,3),(4,4);
- delete from t1 where a=1 or a=0;
- #show table status like "t1";
- show keys from t1;
- select * from t1;
- select * from t1 where a=4;
- update t1 set b=5 where a=4;
- update t1 set b=b+1 where a>=3;
- replace t1 values (3,3);
- select * from t1;
- alter table t1 add c int not null, add key (c,a);
- drop table t1;
- create table t1 (a int not null,b int not null, primary key (a)) type=heap comment="testing heaps";
- insert into t1 values(1,1),(2,2),(3,3),(4,4);
- alter table t1 modify a int not null auto_increment, type=myisam, comment="new myisam table";
- #show table status like "t1";
- select * from t1;
- drop table t1;
- create table t1 (a int not null) type=heap;
- insert into t1 values (869751),(736494),(226312),(802616);
- select * from t1 where a > 736494;
- alter table t1 add unique uniq_id(a);
- select * from t1 where a > 736494;
- select * from t1 where a = 736494;
- select * from t1 where a=869751 or a=736494;
- select * from t1 where a in (869751,736494,226312,802616);
- alter table t1 type=myisam;
- explain select * from t1 where a in (869751,736494,226312,802616);
- drop table t1;
- create table t1 (x int not null, y int not null, key x(x), unique y(y))
- type=heap;
- insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
- select * from t1 where x=1;
- select * from t1,t1 as t2 where t1.x=t2.y;
- explain select * from t1,t1 as t2 where t1.x=t2.y;
- drop table t1;
- create table t1 (a int) type=heap;
- insert into t1 values(1);
- select max(a) from t1;
- drop table t1;
- CREATE TABLE t1 ( a int not null default 0, b int not null default 0, key(a), key(b) ) TYPE=HEAP;
- insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
- select * from t1 where a=1;
- insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
- select * from t1 where a=1;
- drop table t1;
- create table t1 (id int unsigned not null, primary key (id)) type=HEAP;
- insert into t1 values(1);
- select max(id) from t1;
- insert into t1 values(2);
- select max(id) from t1;
- replace into t1 values(1);
- drop table t1;
- create table t1 (n int) type=heap;
- drop table t1;
- create table t1 (n int) type=heap;
- drop table if exists t1;
- # Test of non unique index
- CREATE table t1(f1 int not null,f2 char(20) not
- null,index(f2)) type=heap;
- INSERT into t1 set f1=12,f2="bill";
- INSERT into t1 set f1=13,f2="bill";
- INSERT into t1 set f1=14,f2="bill";
- INSERT into t1 set f1=15,f2="bill";
- INSERT into t1 set f1=16,f2="ted";
- INSERT into t1 set f1=12,f2="ted";
- INSERT into t1 set f1=12,f2="ted";
- INSERT into t1 set f1=12,f2="ted";
- INSERT into t1 set f1=12,f2="ted";
- delete from t1 where f2="bill";
- select * from t1;
- drop table t1;