mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use ftruncate() not truncate() in mdunlink. Seems Windows doesn't

Browse Source 
support the latter.
This commit is contained in:
Tom Lane 2007-11-15 21:49:47 +00:00
parent d788c922d7
commit 591b9b091c
1 changed files with 18 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/backend/storage/smgr/md.c
View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.131 2007/11/15 21:14:38 momjian Exp $ * $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.132 2007/11/15 21:49:47 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -316,7 +316,23 @@ mdunlink(RelFileNode rnode, bool isRedo)
if (isRedo) if (isRedo)
ret = unlink(path); ret = unlink(path);
else else
ret = truncate(path, 0); {
/* truncate(2) would be easier here, but Windows hasn't got it */
int fd;
fd = BasicOpenFile(path, O_RDWR | PG_BINARY, 0);
if (fd >= 0)
{
int save_errno;
ret = ftruncate(fd, 0);
save_errno = errno;
close(fd);
errno = save_errno;
}
else
ret = -1;
}
if (ret < 0) if (ret < 0)
{ {
if (!isRedo || errno != ENOENT) if (!isRedo || errno != ENOENT)