MySQL Reference Manual for version 4.0.18.

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21.3 Adding New Procedures to MySQL

In MySQL, you can define a procedure in C++ that can access and modify the data in a query before it is sent to the client. The modification can be done on row-by-row or GROUP BY level.

We have created an example procedure in MySQL Version 3.23 to show you what can be done.

Additionally we recommend you to take a look at mylua. With this you can use the LUA language to load a procedure at runtime into mysqld.

21.3.1 Procedure Analyse  
21.3.2 Writing a Procedure  



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