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@ -1,26 +0,0 @@ |
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--eval create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=$charset |
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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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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 force index(b) order by b; |
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explain select * from t1 force index(b) order by 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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insert into t1 values(11,11,'aaa','mmm'); |
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select * from t1; |
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select * from t1 force index(b) order by b; |
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select * from t1 force index(c) order by c; |
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select * from t1 force index(d) order by d; |
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explain select * from t1 force index(b) order by b; |
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explain select * from t1 force index(c) order by c; |
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explain select * from t1 force index(d) 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; |