*** pgsql/src/test/regress/sql/plpgsql.sql	2008/04/01 03:51:09	1.50
--- pgsql/src/test/regress/sql/plpgsql.sql	2008/04/06 23:43:29	1.51
*************** end
*** 2595,2597 ****
--- 2595,2671 ----
  $$ language plpgsql;
  
  select exc_using(5, 'foobar');
+ 
+ -- test FOR-over-cursor
+ 
+ create or replace function forc01() returns void as $$
+ declare
+   c cursor(r1 integer, r2 integer)
+        for select * from generate_series(r1,r2) i;
+   c2 cursor
+        for select * from generate_series(41,43) i;
+ begin
+   for r in c(5,7) loop
+     raise notice '% from %', r.i, c;
+   end loop;
+   -- again, to test if cursor was closed properly
+   for r in c(9,10) loop
+     raise notice '% from %', r.i, c;
+   end loop;
+   -- and test a parameterless cursor
+   for r in c2 loop
+     raise notice '% from %', r.i, c2;
+   end loop;
+   -- and try it with a hand-assigned name
+   raise notice 'after loop, c2 = %', c2;
+   c2 := 'special_name';
+   for r in c2 loop
+     raise notice '% from %', r.i, c2;
+   end loop;
+   raise notice 'after loop, c2 = %', c2;
+   -- and try it with a generated name
+   -- (which we can't show in the output because it's variable)
+   c2 := null;
+   for r in c2 loop
+     raise notice '%', r.i;
+   end loop;
+   raise notice 'after loop, c2 = %', c2;
+   return;
+ end;
+ $$ language plpgsql;
+ 
+ select forc01();
+ 
+ -- try updating the cursor's current row
+ 
+ create temp table forc_test as
+   select n as i, n as j from generate_series(1,10) n;
+ 
+ create or replace function forc01() returns void as $$
+ declare
+   c cursor for select * from forc_test;
+ begin
+   for r in c loop
+     raise notice '%, %', r.i, r.j;
+     update forc_test set i = i * 100, j = r.j * 2 where current of c;
+   end loop;
+ end;
+ $$ language plpgsql;
+ 
+ select forc01();
+ 
+ select * from forc_test;
+ 
+ drop function forc01();
+ 
+ -- fail because cursor has no query bound to it
+ 
+ create or replace function forc_bad() returns void as $$
+ declare
+   c refcursor;
+ begin
+   for r in c loop
+     raise notice '%', r.i;
+   end loop;
+ end;
+ $$ language plpgsql;