Re: Notes on converting from MySQL 5.0.x to PostgreSQL

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От Chris Browne
Тема Re: Notes on converting from MySQL 5.0.x to PostgreSQL
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Msg-id 60odwauy1p.fsf@dba2.int.libertyrms.com
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Ответ на Notes on converting from MySQL 5.0.x to PostgreSQL 8.1.4  ("Jason McManus" <mcmanus.jason@gmail.com>)
Ответы Re: Notes on converting from MySQL 5.0.x to PostgreSQL
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ron.l.johnson@cox.net (Ron Johnson) writes:

> Scott Marlowe wrote:
> [snip]
>> However, the more interesting thing here, is that every
>> statement, including DDL is transactable, except for a couple of
>> big odd ones, like create database. So, in postgresql, you can do:
>>
>> begin;
>> create table xyz...
>> alter table abc...
>> insert into abc select * from iii
>> update iii...;
>> drop table iii;
>> (oops, I messed up something)
>> rollback;
>
> But isn't that what it means to be "transactional"?  Or am I spoiled
>  by my "big, expensive enterprise database"?

DDL commonly hasn't been "able to be rolled back," even in "big,
expensive" databases...
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