On Sun, Sep 16, 2012 at 04:16:22PM -0500, Kevin Grittner wrote:
> I'm attaching an alternative proposal, with changes for the following
> reasons:
>  
> (1)  The complete re-wrap of that first paragraph made it really hard
> to see what the actual change to the documentation was.  I would
> rather change it like this and have a separate patch to re-wrap the
> paragraph (with no content change) or maybe restrict the reformatting
> to two or three lines.
>  
> (2)  The second paragraph starts with "There may still be
> serialization anomalies involving aborted transactions" which seems
> a bit alarming, seems to bend the definition of serialization
> anomalies and seems odd to pick out for special attention when the
> same could be said of data read in transactions at other isolation
> levels if those transactions roll back from a deferred constraint or
> a write conflict.
>  
> (3)  There is a significant exception to this caveat which I felt
> would be useful to people who wanted to generate big reports without
> waiting for transaction commit: deferrable read-only transactions
> offer applications a way to count on data as soon as it is read.
>  
> I'm not sure whether the omission of this from the docs should be
> considered a big enough hazard to merit a back-patch, or if it should
> just be committed to HEAD.

Patch applied to git head.

-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +


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