From 9ca5c8721dfa2413e910531373395c6e18062ddf Mon Sep 17 00:00:00 2001
From: Michael Meskes <meskes@postgresql.org>
Date: Mon, 13 Mar 2017 20:48:29 +0100
Subject: [PATCH] Document two phase commit commands in ecpg docu.

Patch by Masahiko Sawada
---
 doc/src/sgml/ecpg.sgml | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml
index b8021cbe5b..bc4dd68620 100644
--- a/doc/src/sgml/ecpg.sgml
+++ b/doc/src/sgml/ecpg.sgml
@@ -507,6 +507,35 @@ EXEC SQL COMMIT;
       </listitem>
      </varlistentry>
 
+    <variablelist>
+     <varlistentry>
+      <term><literal>EXEC SQL PREPARE TRANSACTION </literal><replaceable class="PARAMETER">transaction_id</></term>
+      <listitem>
+       <para>
+        Prepare the current transaction for two-phase commit.
+       </para>
+      </listitem>
+     </varlistentry>
+
+    <variablelist>
+     <varlistentry>
+      <term><literal>EXEC SQL COMMIT PREPARED </literal><replaceable class="PARAMETER">transaction_id</></term>
+      <listitem>
+       <para>
+        Commit a transaction that is in prepared state.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><literal>EXEC SQL ROLLBACK PREPARED </literal><replaceable class="PARAMETER">transaction_id</></term>
+      <listitem>
+       <para>
+        Roll back a transaction that is in prepared state.
+       </para>
+      </listitem>
+     </varlistentry>
+     
      <varlistentry>
       <term><literal>EXEC SQL SET AUTOCOMMIT TO ON</literal></term>
       <listitem>
-- 
2.39.5