--- plpgsql_recode.sql	2002/08/31 08:26:57	1.1
+++ plpgsql_recode.sql	2002/09/10 13:18:29	1.2
@@ -1,6 +1,10 @@
 -- this is hopefully complete implementation of pg_recode in PL/pgSQL
 -- it's best for portability and I still have to check it's performance
 -- 2002-08-30 Dobrica Pavlinusic <dpavlin@rot13.org>
+-- 2002-09-10 you will have to remove "with (iscachable)" if your
+--	PostgreSQL is not current enough (>7.2.x I think). But, if you leave
+--	it you will be able to create function index using this functions
+--	e.g. create index ind_osobe_ime on osobe ( toczs(ime) )
 
 -- drop old implementation
 drop function to1250(text);
@@ -29,7 +33,7 @@
 	end loop;
 	return new;
 end
-' language 'PLpgSQL';
+' language 'PLpgSQL' with (iscachable) ;
 
 -- convert 8859-2 to 1250
 create function to1250(text) returns text  as '
@@ -52,7 +56,7 @@
 	end loop;
 	return new;
 end
-' language 'PLpgSQL';
+' language 'PLpgSQL' with (iscachable) ;
 
 -- tocsz -- convert iso8859-2 or cp1250 to czs
 create function toczs(text) returns text  as '
@@ -88,7 +92,7 @@
 
 	return new;
 end
-' language 'PLpgSQL';
+' language 'PLpgSQL' with (iscachable) ;
 
 -- initcap2 -- initcap whith support for iso8859-2 or cp1250
 create function initcap2(text) returns text  as '
@@ -145,5 +149,5 @@
 
 	return new;
 end
-' language 'PLpgSQL';
+' language 'PLpgSQL' with (iscachable) ;