| From: | Dmitry Koval <d(dot)koval(at)postgrespro(dot)ru> |
|---|---|
| To: | Juan José Santamaría Flecha <juanjo(dot)santamaria(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: BUG #17288: PSQL bug with COPY command (Windows) |
| Date: | 2021-11-19 10:45:10 |
| Message-ID: | 9caa0612-19e5-f860-4b97-908a1c721233@postgrespro.ru |
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| Lists: | pgsql-bugs |
>We can check for redirection without calling
>GetFileInformationByHandle(), please consider the attached patch.
There are doubts:
1) we always use system function (GetFinalPathNameByHandleA or
GetFileInformationByHandle); sometimes we use these two calls
GetFinalPathNameByHandleA + GetFileInformationByHandle
together (in freopen() case);
2) function GetFinalPathNameByHandleA is slower than
GetFileInformationByHandle (2-4 times).
Might be exist a cheaper way than GetFinalPathNameByHandleA?
I don't understand why this way better than using one call
GetFileInformationByHandle...
With best regards,
Dmitry Koval.
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