myisam-big-rows.tst
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
源码类别:
MySQL数据库
开发平台:
Visual C++
- #
- # Test rows with length above > 16M
- # Note that for this to work, you should start mysqld with
- # -O max_allowed_packet=32M
- #
- drop table if exists t1;
- create table t1 (a tinyint not null auto_increment, b longblob not null, primary key (a)) checksum=1;
- insert into t1 (b) values(repeat(char(65),10));
- insert into t1 (b) values(repeat(char(66),10));
- insert into t1 (b) values(repeat(char(67),10));
- update t1 set b=repeat(char(68),16777216) where a=1;
- check table t1;
- update t1 set b=repeat(char(69),16777000) where a=2;
- update t1 set b=repeat(char(70),167) where a=3;
- update t1 set b=repeat(char(71),16778000) where a=1;
- update t1 set b=repeat(char(72),16778000) where a=3;
- select a,length(b) from t1;
- set @a=1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- update t1 set b=('A') where a=5;
- delete from t1 where a=7;
- set @a=@a+1;
- insert into t1 (b) values (repeat(char(73+@a),16777200+@a));
- update t1 set b=repeat(char(73+@a+1),17000000+@a) where a=last_insert_id();
- select a,mid(b,1,5),length(b) from t1;
- check table t1;
- repair table t1;
- check table t1;
- select a from table where b<>repeat(mid(b,1,1),length(b));
- delete from t1 where (a & 1);
- select a from table where b<>repeat(mid(b,1,1),length(b));
- check table t1;
- repair table t1;
- check table t1;
- drop table t1;