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

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От Ron Johnson
Тема Re: Notes on converting from MySQL 5.0.x to PostgreSQL
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Msg-id 44A5DE81.8080309@cox.net
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Ответ на Re: Notes on converting from MySQL 5.0.x to PostgreSQL  (Chris Browne <cbbrowne@acm.org>)
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Chris Browne wrote:
> 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...

I guess I'm just fortunate...

- --
Ron Johnson, Jr.
Jefferson LA  USA

Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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