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-rw-r--r--src/backend/storage/file/fd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index d4a46f01583..926d000f2ea 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -638,7 +638,7 @@ pg_truncate(const char *path, off_t length)
fd = OpenTransientFile(path, O_RDWR | PG_BINARY);
if (fd >= 0)
{
- ret = ftruncate(fd, 0);
+ ret = ftruncate(fd, length);
save_errno = errno;
CloseTransientFile(fd);
errno = save_errno;