From: Pavan Deolasee <pavan.deolasee@gmail.com>
Date: Mon, 23 May 2016 10:05:11 +0000 (+0530)
Subject: Log more information about connection error for ease in debugging
X-Git-Tag: XL9_5_R1_2~49
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=fec0f2ac6be7d02ff00585ea7faea0d7fbaa048a;p=postgres-xl.git

Log more information about connection error for ease in debugging
---

diff --git a/src/backend/pgxc/pool/poolmgr.c b/src/backend/pgxc/pool/poolmgr.c
index e3ed53ce4b..6293e31ee4 100644
--- a/src/backend/pgxc/pool/poolmgr.c
+++ b/src/backend/pgxc/pool/poolmgr.c
@@ -2382,10 +2382,13 @@ grow_pool(DatabasePool *dbPool, Oid node)
 		slot->conn = PGXCNodeConnect(nodePool->connstr);
 		if (!PGXCNodeConnected(slot->conn))
 		{
-			destroy_slot(slot);
 			ereport(LOG,
 					(errcode(ERRCODE_CONNECTION_FAILURE),
-					 errmsg("failed to connect to Datanode")));
+					 errmsg("failed to connect to node, connection string (%s),"
+						  " connection error (%s)",
+						  nodePool->connstr,
+						  PQerrorMessage(slot->conn))));
+			destroy_slot(slot);
 			/*
 			 * If we failed to connect probably number of connections on the
 			 * target node reached max_connections. Try and release idle