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On Windows, make pg_dump use binary mode for compressed plain text output.

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The combination of -Z -Fp and output to stdout resulted in corrupted
output data, because we left stdout in text mode, resulting in newline
conversion being done on the compressed stream.  Switch stdout to binary
mode for this case, at the same place where we do it for non-text output
formats.

Report and patch by Kuntal Ghosh, tested by Ashutosh Sharma and Neha
Sharma.  Back-patch to all supported branches.

Discussion: https://postgr.es/m/CAGz5QCJPvbBjXAmJuGx1B_41yVCetAJhp7rtaDf7XQGWuB1GSw@mail.gmail.com
This commit is contained in:
Tom Lane 2017-06-19 11:02:45 -04:00
parent 810344436d
commit 3ef40dcec6
1 changed files with 4 additions and 4 deletions
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8
src/bin/pg_dump/pg_backup_archiver.c
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@ -2328,12 +2328,12 @@ _allocAH(const char *FileSpec, const ArchiveFormat fmt,
AH->OF = stdout;
/*
* On Windows, we need to use binary mode to read/write non-text archive
* formats. Force stdin/stdout into binary mode if that is what we are
* using.
* On Windows, we need to use binary mode to read/write non-text files,
* which include all archive formats as well as compressed plain text.
* Force stdin/stdout into binary mode if that is what we are using.
*/
#ifdef WIN32
if (fmt != archNull &&
if ((fmt != archNull || compression != 0) &&
(AH->fSpec == NULL || strcmp(AH->fSpec, "") == 0))
{
if (mode == archModeWrite)