User-Defined Functions
A user-defined function (UDF) is a way to extend MariaDB with a new function that works like a native (built-in) MariaDB function such as ABS( ) or CONCAT( ).
Statements making use of user-defined functions are not safe for replication.
For an example, see sql/udf_example.cc in the source tree. For a collection of existing UDFs go to the UDF Repository on GitHub.
There are alternative ways to add a new function: writing a native function, which requires modifying and compiling the server source code; or writing a stored function.
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Creating User-Defined Functions
How to create user-defined functions in C/C++. -
User-Defined Functions Calling Sequences
Declaring the functions required in a user-defined function. -
User-Defined Functions Security
MariaDB imposes a number of limitations on user-defined functions for security purposes. -
CREATE FUNCTION UDF
Create a user-defined function. -
DROP FUNCTION UDF
Drop a user-defined function. -
mysql.func Table
User-defined function information
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