From: Pavan Deolasee <pavan.deolasee@gmail.com>
Date: Wed, 4 May 2016 18:36:26 +0000 (+0530)
Subject: Extend CLog, Subtrans log and CommitTsLog appropriately when an XID is received
X-Git-Tag: XL9_5_R1_1~14
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=3cefb0ac040abaf29a7b4ce7a2e7cd4f304925c6;p=postgres-xl.git

Extend CLog, Subtrans log and CommitTsLog appropriately when an XID is received
from a remote node
---

diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
index 7986aa75ea..2a14c3cc1b 100644
--- a/src/backend/access/transam/xact.c
+++ b/src/backend/access/transam/xact.c
@@ -6792,6 +6792,15 @@ SetTopTransactionId(GlobalTransactionId xid)
 	Assert(!GlobalTransactionIdIsValid(s->transactionId) ||
 			GlobalTransactionIdEquals(s->transactionId, xid));
 
+	/*
+	 * Also extend the CLOG, SubtransLog and CommitTsLog to ensure that this
+	 * XID can later be referenced correctly
+	 *
+	 * Normally this happens in the GetNextLocalTransactionId() path, but that
+	 * may not be ever called when XID is received from the remote node
+	 */
+	ExtendLogs(xid);
+
 	if (!IsConnFromDatanode())
 	{
 		XactTopTransactionId = s->transactionId = xid;