Use the SHOW CREATE FUNCTION command : Function Data Dictionary « Procedure Function « SQL / MySQL

Home
SQL / MySQL
1.Aggregate Functions
2.Backup Load
3.Command MySQL
4.Cursor
5.Data Type
6.Database
7.Date Time
8.Engine
9.Event
10.Flow Control
11.FullText Search
12.Function
13.Geometric
14.I18N
15.Insert Delete Update
16.Join
17.Key
18.Math
19.Procedure Function
20.Regular Expression
21.Select Clause
22.String
23.Table Index
24.Transaction
25.Trigger
26.User Permission
27.View
28.Where Clause
29.XML
SQL / MySQL » Procedure Function » Function Data Dictionary 




Use the SHOW CREATE FUNCTION command
 
mysql>
mysql>
mysql> DELIMITER //
mysql>
mysql> CREATE FUNCTION myFunction (item_sum DECIMAL(10,2))
    -> RETURNS DECIMAL(10,1)
    -> BEGIN
    ->
    ->
    -> RETURN ROUND(item_sum,1);
    ->
    -> END
    -> //
Query OK, rows affected (0.02 sec)

mysql> DELIMITER ;
mysql>
mysql> select myFunction(123.12);
+--------------------+
| myFunction(123.12|
+--------------------+
|              123.1 |
+--------------------+
row in set (0.00 sec)

mysql>
mysql>
mysql>
mysql> SHOW CREATE FUNCTION test.myFunction\G
*************************** 1. row ***************************
       Function: myFunction
       sql_mode:
Create Function: CREATE DEFINER=`root`@`localhost` FUNCTION `myFunction`(item_sum DECIMAL(10,2)) RETURNS decimal(10,1)
BEGIN
RETURN ROUND(item_sum,1);
END
row in set (0.00 sec)

mysql>
mysql> drop function myFunction;
Query OK, rows affected (0.00 sec)

mysql>
mysql>

        














Related examples in the same category
1.To see all of the functions across all databases, use the SHOW FUNCTION STATUS command
2.Select information from the mysql.proc table and get all the underlying data.
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.