的Apache Derby：指定一個ID爲「生成的默認身份」一欄

爲Apache Derby進行下面的SQL語句工作正常：的Apache Derby：指定一個ID爲「生成的默認身份」一欄

connect 'jdbc:derby://uri'; 

create schema TEST02; 
set schema TEST02 ; 

create table T 
    (
    id INT not null primary key GENERATED BY DEFAULT AS IDENTITY (START WITH 1, INCREMENT BY 1), 
    name varchar(50) not null unique 
    ); 


insert into T(name) values ('NAME02'); 
insert into T(name) values ('NAME03'); 
select * from T; 
drop table T ; 
drop schema TEST02 RESTRICT; 


disconnect;

輸出：

ij> insert into T(name) values ('NAME02'); 
1 row inserted/updated/deleted 
ij> insert into T(name) values ('NAME03'); 
1 row inserted/updated/deleted 
ij> select * from T; 
ID   |NAME            
-------------------------------------------------------------- 
1   |NAME02            
2   |NAME03

，但是當我知道'的一些記錄的ID，我們設置在我的INSERT語句中的ID：

## here I set the id column 

ij> insert into T(id,name) values (1,'NAME01'); 
1 row inserted/updated/deleted 

ij> insert into T(name) values ('NAME02'); 
ERROR 23505: The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint or unique index identified by 'SQL130515100041380' defined on 'T'. 
ij> insert into T(name) values ('NAME03'); 
1 row inserted/updated/deleted 
ij> select * from T; 
ID   |NAME            
-------------------------------------------------------------- 
1   |NAME01            
2   |NAME03            

2 rows selected

我怎麼能解決這個問題，我怎麼能有一個uto_increment列，我可以，有時，設置主鍵？

來源

2013-05-15 Pierre

的Apache Derby：指定一個ID爲 「生成的默認身份」 一欄

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的Apache Derby：指定一個ID爲「生成的默認身份」一欄