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303 lines
10 KiB
303 lines
10 KiB
-- source include/have_innodb.inc
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create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb;
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insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak');
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commit;
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--error ER_DUP_KEYNAME
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alter table t1 add index b (b), add index b (b);
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--error ER_DUP_FIELDNAME
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alter table t1 add index (b,b);
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alter table t1 add index d2 (d);
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show create table t1;
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explain select * from t1 order by d;
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select * from t1 order by d;
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b);
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show create table t1;
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alter table t1 add index (b);
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show create table t1;
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alter table t1 add unique index (c), add index (d);
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show create table t1;
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explain select * from t1 order by c;
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--error ER_REQUIRES_PRIMARY_KEY
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drop index c on t1;
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alter table t1 add primary key (a), drop index c;
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show create table t1;
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--error ER_MULTIPLE_PRI_KEY
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alter table t1 add primary key (c);
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--error ER_DUP_ENTRY
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alter table t1 drop primary key, add primary key (b);
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create unique index c on t1 (c);
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show create table t1;
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explain select * from t1 order by c;
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select * from t1 order by c;
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alter table t1 drop index b, add index (b);
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show create table t1;
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insert into t1 values(6,1,'ggg','ggg');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe');
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commit;
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alter table t1 add index (c(2));
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show create table t1;
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alter table t1 add unique index (d(10));
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show create table t1;
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insert into t1 values(5,1,'ggg','ggg');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 drop index d;
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
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commit;
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alter table t1 add unique index (b,c);
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 add index (b,c);
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insert into t1 values(11,11,'kkk','kkk');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 add unique index (c,d);
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insert into t1 values(13,13,'yyy','aaa');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb;
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create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb;
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create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb;
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create table t2(a int not null, b int not null, c int not null, d int not null, e int,
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foreign key (b) references t1(b) on delete cascade,
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foreign key (c) references t3(c), foreign key (d) references t4(d))
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engine = innodb;
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--error ER_DROP_INDEX_FK
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alter table t1 drop index b;
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--error ER_DROP_INDEX_FK
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alter table t3 drop index c;
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--error ER_DROP_INDEX_FK
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alter table t4 drop index d;
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--error ER_DROP_INDEX_FK
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alter table t2 drop index b;
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--error ER_DROP_INDEX_FK
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alter table t2 drop index b, drop index c, drop index d;
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-- Apparently, the following makes mysql_alter_table() drop index d.
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create unique index dc on t2 (d,c);
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-- This should preserve the foreign key constraints.
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alter table t2 add primary key (a);
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insert into t1 values (1,1,1);
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insert into t3 values (1,1,1);
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insert into t4 values (1,1,1);
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insert into t2 values (1,1,1,1,1);
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commit;
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alter table t2 drop index b, add index (b);
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show create table t2;
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delete from t1;
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select * from t2;
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drop table if exists t2,t1,t3,t4;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a))
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engine = innodb default charset=utf8;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
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commit;
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b);
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 add index (b);
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insert into t1 values(10,10,'kkk','iii');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 add unique index (c), add index (d);
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insert into t1 values(11,11,'aaa','mmm');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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check table t1;
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a))
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engine = innodb default charset=ucs2;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
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commit;
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b);
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show create table t1;
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alter table t1 add index (b);
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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alter table t1 add unique index (c), add index (d);
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insert into t1 values(10,10,'aaa','kkk');
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select * from t1;
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select * from t1 order by b;
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select * from t1 order by c;
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select * from t1 order by d;
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explain select * from t1 order by b;
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explain select * from t1 order by c;
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explain select * from t1 order by d;
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show create table t1;
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check table t1;
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drop table t1;
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create table t1(a int not null, b int) engine = innodb;
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insert into t1 values (1,1),(1,1),(1,1),(1,1);
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--error ER_DUP_ENTRY
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alter table t1 add unique index (a);
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b);
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--error ER_DUP_ENTRY
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alter table t1 add unique index (a), add unique index(b);
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show create table t1;
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drop table t1;
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create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb;
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alter table t1 drop index c, drop index b;
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int, primary key(a)) engine = innodb;
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alter table t1 add index (b);
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe');
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b), add unique index (c), add unique index (d);
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--error ER_DUP_ENTRY
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alter table t1 add unique index (b), add index (d), add unique index (c);
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show create table t1;
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drop table t1;
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create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb;
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insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1);
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alter table t1 add unique index (b);
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insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17);
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show create table t1;
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check table t1;
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explain select * from t1 order by c;
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explain select * from t1 order by a;
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explain select * from t1 order by b;
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select * from t1 order by a;
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select * from t1 order by b;
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select * from t1 order by c;
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drop table t1;
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create table t1(a int not null, b int not null) engine=innodb;
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insert into t1 values (1,1);
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alter table t1 add primary key(b);
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insert into t1 values (2,2);
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show create table t1;
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check table t1;
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select * from t1;
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explain select * from t1;
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explain select * from t1 order by a;
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explain select * from t1 order by b;
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checksum table t1;
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drop table t1;
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create table t1(a int not null) engine=innodb;
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insert into t1 values (1);
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alter table t1 add primary key(a);
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insert into t1 values (2);
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show create table t1;
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check table t1;
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commit;
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select * from t1;
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explain select * from t1;
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explain select * from t1 order by a;
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drop table t1;
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create table t1(a int, b blob, c text, d text not null) engine=innodb default charset = utf8;
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insert into t1 values (22,repeat('jejdkrun87',220),repeat('jejdkrun87',440),'jejdkrun87');
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insert into t1 values (44,repeat('adfd72nh9k',440),repeat('adfd72nh9k',880),'adfd72nh9k');
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insert into t1 values (null,null,null,'null');
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select count(*) from t1 where a=44;
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select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
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select a,length(b),length(c),d from t1;
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--error ER_PRIMARY_CANT_HAVE_NULL
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alter table t1 add primary key (a), add key (b(20));
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delete from t1 where d='null';
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alter table t1 add primary key (a), add key (b(20));
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select count(*) from t1 where a=44;
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select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
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select a,length(b),length(c),d from t1;
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insert into t1 values (33,repeat('adfdpplkeock',330),repeat('adfdpplkeock',660),'adfdpplkeock');
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insert into t1 values (55,repeat('adfdijnmnb78k',550),repeat('adfdijnmnb78k',1100),'adfdijnmnb78k');
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insert into t1 values (66,repeat('adfdijn0loKNHJik',660),repeat('adfdijn0loKNHJik',1320),'adfdijn0loKNHJik');
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show create table t1;
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check table t1;
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explain select * from t1 where b like 'adfd%';
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select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
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select a,length(b),length(c),d from t1;
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drop table t1;
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