From 60da196636239a9906a22de1bc1d95133ea9904a Mon Sep 17 00:00:00 2001
From: Itagaki Takahiro <itagaki.takahiro@gmail.com>
Date: Tue, 28 Sep 2010 14:24:02 +0900
Subject: [PATCH] Add DISCARD to the command_no_begin list for AUTOCOMMIT=off.
 Backpatch to 8.3.

Reported by Sergey Burladyan.
---
 src/bin/psql/common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
index fcfb1bc97f..4027f77be2 100644
--- a/src/bin/psql/common.c
+++ b/src/bin/psql/common.c
@@ -1388,6 +1388,9 @@ command_no_begin(const char *query)
 			return true;
 	}
 
+	if (wordlen == 7 && pg_strncasecmp(query, "discard", 7) == 0)
+		return true;
+
 	return false;
 }