Re: [HACKERS] tables > 1 gig

> Unlinking unused segments after truncating to zero length may cause 
> the result such as 
> 
>      Existent backends write to the truncated file to extend the relation
>      while new backends create a new segment file to extend the relation. 

How about my idea of creating a truncated file, the renaming it to the
table file.  That keeps the table open for other open file descriptors,
but put a zero-length file in place in an atomic manner.

Fact is that the current code is really bad, so I request you do your
best, and let's get it in there for people to review and improve if
necessary.


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