Skip to Main Content
Sams Teach Yourself MySQL in 21 Days, Second Edition
book

Sams Teach Yourself MySQL in 21 Days, Second Edition

by Tony Butcher
December 2002
Beginner content levelBeginner
640 pages
16h 41m
English
Sams
Content preview from Sams Teach Yourself MySQL in 21 Days, Second Edition

Writing Your Own UDFs

By now you should have gathered that UDFs rely on there being a C or C++ program to define them. Although it is straightforward to add the sample UDFs to your MySQL server, you will need some knowledge of at least one of these languages to write your own functions.

This section describes the calling procedures for UDFs and explains how to make them operate in the MySQL environment. This section, together with the information contained in Day 13, “Using the C API,” is enough to get you coding, provided that you already have a reasonable knowledge of C or C++.

Datatypes and Calling Sequences

As explained previously, a user-defined MySQL function MYFUNC() will have a corresponding C function called myfunc(). In addition, it ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Sams Teach Yourself MySQL

Sams Teach Yourself MySQL

Chris Newman
Oracle® Database 10g Insider Solutions

Oracle® Database 10g Insider Solutions

Arun Kumar R., John Kanagaraj, Richard Stroupe
MySQL and mSQL

MySQL and mSQL

Tim King, George Reese, Randy Yarger
Jump Start MySQL

Jump Start MySQL

Timothy Boronczyk

Publisher Resources

ISBN: 0672323923Purchase book