17.10 - Example - Advanced SQL Engine - Teradata Database

This example shows a user-defined aggregate function with an input parameter named parameter_1 declared as a VARIANT_TYPE data type.

CREATE TYPE INTEGERUDT AS INTEGER FINAL;
CREATE FUNCTION udf_agch002002dynudt (parameter_1 VARIANT_TYPE)
RETURNS INTEGERUDT CLASS AGGREGATE (4)
LANGUAGE C
NO SQL
EXTERNAL NAME 'CS!udf_agch002002dynudt!udf_agch002002dynudt.c'
PARAMETER STYLE SQL;