[refer #PGPRO-1745] Fix reading zeroed page

knizhnik · knizhnik · commit a43a0e3289bd · 2019-03-16T15:32:39.000+03:00
diff --git a/src/utils/file.c b/src/utils/file.c
@@ -1154,7 +1154,7 @@ static void fio_send_pages_impl(int fd, int out, fio_send_request* req)
 			}
 		}
 		/* horizonLsn is not 0 for delta backup. As far as unsigned number are always greater or equal than zero, there is no sense to add more checks */
-		if (page_lsn >= req->horizonLsn)
+		if (page_lsn >= req->horizonLsn || page_lsn == InvalidXLogRecPtr)
 		{
 			char write_buffer[BLCKSZ*2];
 			BackupPageHeader* bph = (BackupPageHeader*)write_buffer;

Original file line number	Diff line number	Diff line change
`@@ -1154,7 +1154,7 @@ static void fio_send_pages_impl(int fd, int out, fio_send_request* req)`
`1154`	`1154`	`}`
`1155`	`1155`	`}`
`1156`	`1156`	`/* horizonLsn is not 0 for delta backup. As far as unsigned number are always greater or equal than zero, there is no sense to add more checks */`
`1157`		`- if (page_lsn >= req->horizonLsn)`
	`1157`	`+ if (page_lsn >= req->horizonLsn \|\| page_lsn == InvalidXLogRecPtr)`
`1158`	`1158`	`{`
`1159`	`1159`	`char write_buffer[BLCKSZ*2];`
`1160`	`1160`	`BackupPageHeader* bph = (BackupPageHeader*)write_buffer;`