From d0a89683a3a4dd8e76ef0a99101355999e519df5 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 17 Jun 2005 22:32:51 +0000
Subject: Two-phase commit.  Original patch by Heikki Linnakangas, with
 additional hacking by Alvaro Herrera and Tom Lane.

---
 src/bin/psql/common.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/bin/psql/common.c')

diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
index df17d0404b..fed2275f46 100644
--- a/src/bin/psql/common.c
+++ b/src/bin/psql/common.c
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2005, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.102 2005/06/14 02:57:41 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.103 2005/06/17 22:32:47 tgl Exp $
  */
 #include "postgres_fe.h"
 #include "common.h"
@@ -1216,6 +1216,21 @@ command_no_begin(const char *query)
 		return true;
 	if (wordlen == 8 && pg_strncasecmp(query, "rollback", 8) == 0)
 		return true;
+	if (wordlen == 7 && pg_strncasecmp(query, "prepare", 7) == 0)
+	{
+		/* PREPARE TRANSACTION is a TC command, PREPARE foo is not */
+		query += wordlen;
+
+		query = skip_white_space(query);
+
+		wordlen = 0;
+		while (isalpha((unsigned char) query[wordlen]))
+			wordlen += PQmblen(&query[wordlen], pset.encoding);
+
+		if (wordlen == 11 && pg_strncasecmp(query, "transaction", 11) == 0)
+			return true;
+		return false;
+	}
 
 	/*
 	 * Commands not allowed within transactions.  The statements checked
-- 
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