Re: stat() on Windows might cause error if target file is largerthan 4GB

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От Alvaro Herrera
Тема Re: stat() on Windows might cause error if target file is largerthan 4GB
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Msg-id 20200509004920.GA4395@alvherre.pgsql
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Ответ на Re: stat() on Windows might cause error if target file is larger than 4GB  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: stat() on Windows might cause error if target file is larger than 4GB  (Juan José Santamaría Flecha <juanjo.santamaria@gmail.com>)
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On 2018-Sep-13, Tom Lane wrote:

> What I was vaguely imagining is that win32_port.h could #include
> whichever Windows header defines these functions and structs, and
> then do
> 
> #define stat __stat64
> 
> static inline ... __stat64(...) { return _stat64(...); }
> 
> What would need testing is whether the #define has nasty side-effects
> even if we've already included the system header.  I don't think it'd
> hurt, eg, local variables named "stat"; though people might be surprised
> when examining things in a debugger.

Did anybody test this idea?  It seems we let this problem slip unfixed,
which means Windows users cannot use pg_dump -Fd (incl. parallel dump)
when output files are large.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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