Fix attlen in RowDescription of BASE_BACKUP response

Should be 8 for int8, not -1.

Reviewed-by: Nathan Bossart 
Discussion: https://www.postgresql.org/message-id/flat/7e4fdbdc-699c-4cd0-115d-fb78a957fc22@enterprisedb.com

diff --git a/src/backend/replication/basebackup_copy.c b/src/backend/replication/basebackup_copy.c
index cabb077240200fa5d4ea0d06580c91c69bee22fb..1eed9d8c3f79454357c6a14a7b27e655d4659259 100644 (file)
--- a/src/backend/replication/basebackup_copy.c
+++ b/src/backend/replication/basebackup_copy.c
@@ -361,7 +361,7 @@ SendXlogRecPtrResult(XLogRecPtr ptr, TimeLineID tli)
     * would not be wide enough for this, as TimeLineID is unsigned.
     */
    pq_sendint32(&buf, INT8OID);    /* type oid */
-   pq_sendint16(&buf, -1);
+   pq_sendint16(&buf, 8);
    pq_sendint32(&buf, 0);
    pq_sendint16(&buf, 0);
    pq_endmessage(&buf);