Backend support for autocommit removed, per recent discussions. The

only remnant of this failed experiment is that the server will take
SET AUTOCOMMIT TO ON.  Still TODO: provide some client-side autocommit
logic in libpq.

contrib/fulltextindex/fti.pl

@@ -167,7 +167,6 @@ sub main {
 	}
 
 	PQexec($PG_CONN, "SET search_path = public");
-	PQexec($PG_CONN, "SET autocommit TO 'on'");
 	PQexec($PG_CONN, "begin");
 
 	$query = "declare C cursor for select (\"";

contrib/fulltextindex/fti.sql.in

@@ -1,8 +1,6 @@
 -- Adjust this setting to control where the objects get created.
 SET search_path = public;
 
-SET autocommit TO 'on';
-
 CREATE OR REPLACE FUNCTION fti() RETURNS trigger AS
 	'MODULE_PATHNAME', 'fti'
 	LANGUAGE 'C' VOLATILE CALLED ON NULL INPUT;

contrib/fulltextindex/uninstall.sql

@@ -1,6 +1,4 @@
 -- Adjust this setting to control where the objects get created.
 SET search_path = public;
 
-SET autocommit TO 'on';
-
 DROP FUNCTION fti() CASCADE;