Re: autonomous transactions
От | Simon Riggs |
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Тема | Re: autonomous transactions |
Дата | |
Msg-id | 1201123979.4257.50.camel@ebony.site обсуждение исходный текст |
Ответ на | Re: autonomous transactions (Neil Conway <neilc@samurai.com>) |
Ответы |
Re: autonomous transactions
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Список | pgsql-hackers |
On Wed, 2008-01-23 at 00:26 -0800, Neil Conway wrote: > On Tue, 2008-01-22 at 20:53 +0100, Pavel Stehule wrote: > > And there is most important question about data visibility - is > > autonomous transaction independent on main transaction (isolation)? > > >From looking at how Oracle does them, autonomous transactions are > completely independent of the transaction that originates them -- they > take a new database snapshot. This means that uncommitted changes in the > originating transaction are not visible to the autonomous transaction. Oh! Recursion depth would need to be tested for as well. Nasty. -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com
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