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| -rw-r--r-- | src/tutorial/funcs.source | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/src/tutorial/funcs.source b/src/tutorial/funcs.source index 7bbda599a63..542b5c81ec9 100644 --- a/src/tutorial/funcs.source +++ b/src/tutorial/funcs.source @@ -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; ----------------------------- |