Doc, more or less: uncomment tutorial example that was fixed long ago.
Reverts a portion of commit  Apparently, back in the
twentieth century we had some issues with multi-statement SQL
functions, but they've worked fine for a long time.
Daniel Westermann
Discussion:
@@ -99,24 +99,21 @@ SELECT name(high_pay()) AS overpaid;
-----------------------------
-- Creating SQL Functions with multiple SQL statements
-- you can also create functions that do more than just a SELECT.
---
--- 14MAR99 Clark Evans: Does not quite work, commented out for now.
---
-----------------------------
-- you may have noticed that Andy has a negative salary. We'll create a
-- function that removes employees with negative salaries.
---
--- SELECT * FROM EMP;
---
--- CREATE FUNCTION clean_EMP () RETURNS integer
--- AS 'DELETE FROM EMP WHERE EMP.salary <= 0;
--- SELECT 1 AS ignore_this'
--- LANGUAGE SQL;
---
--- SELECT clean_EMP();
---
--- SELECT * FROM EMP;
+
+SELECT * FROM EMP;
+
+CREATE FUNCTION clean_EMP () RETURNS integer
+ AS 'DELETE FROM EMP WHERE EMP.salary <= 0;
+ SELECT 1 AS ignore_this'
+ LANGUAGE SQL;
+
+SELECT clean_EMP();
+
+SELECT * FROM EMP;
-----------------------------
