Re: Read Lock For Foreign Key - Mailing list pgsql-general

From Jon Swinth
Subject Re: Read Lock For Foreign Key
Date
Msg-id 200208132121.g7DLLpM03004@localhost.localdomain
Whole thread Raw
In response to Re: Read Lock For Foreign Key  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Thanks for you comment Tom.  I don't see how dirty reads have anything to do
with foreign keys.  Maybe I don't understand what a dirty read is in this
context.

On Tuesday 13 August 2002 02:15 pm, Tom Lane wrote:
> Jon Swinth <jswinth@atomicpc.com> writes:
> > How come having foreign keys take out a read lock on a parent row
> > rather than a write lock is not on the todo list?
>
> It is, although I agree that the language is something other than plain
> English:
>
> * Implement dirty reads and use them in RI triggers
>
>             regards, tom lane

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