From: Pavan Deolasee <pavan.deolasee@gmail.com>
Date: Mon, 25 Jan 2016 09:31:20 +0000 (+0530)
Subject: Add enable_fast_query_shipping GUC to control whether to attempt Fast Query
X-Git-Tag: XL9_5_R1BETA1~71
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=323c52373d498cc634c63ec87baa3cee1eb198a8;p=postgres-xl.git

Add enable_fast_query_shipping GUC to control whether to attempt Fast Query
Shipping to the remote node or not

Its primary use is for debugging purposes
---

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 984e66f241..dd5c0d6d04 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -949,6 +949,15 @@ static struct config_bool ConfigureNamesBool[] =
 		NULL, NULL, NULL
 	},
 #ifdef PGXC
+	{
+		{"enable_fast_query_shipping", PGC_USERSET, QUERY_TUNING_METHOD,
+			gettext_noop("Enables the planner's use of fast query shipping to ship query directly to datanode."),
+			NULL
+		},
+		&enable_fast_query_shipping,
+		true,
+		NULL, NULL, NULL
+	},
 	{
 		{"loose_constraints", PGC_USERSET, COORDINATORS,
 			gettext_noop("Relax enforcing of constraints"),