FirebirdSQL logo
 PROCEDUREEXTERNAL FUNCTION 

Examples of CREATE OR ALTER FUNCTION

Create a new or alter an existing stored function
CREATE OR ALTER FUNCTION ADD_INT(A INT, B INT DEFAULT 0)
RETURNS INT
AS
BEGIN
  RETURN A + B;
END
See also

[fblangref50-ddl-func-create], [fblangref50-ddl-func-alter], [fblangref50-ddl-func-drop]

DROP FUNCTION

Drops a stored function

Available in

DSQL

Syntax
DROP FUNCTION funcname
Table 1. DROP FUNCTION Statement Parameters
Parameter Description

funcname

Stored function name.The maximum length is 63 characters.Must be unique among all function names in the database.

The DROP FUNCTION statement deletes an existing stored function.If the stored function has any dependencies, the attempt to delete it will fail, and raise an error.