Restrictions on Declaring an External C++ Function - Analytics Database - Teradata Vantage

SQL Data Definition Language Detailed Topics

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2023-07-11
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vuk1628111288877.ditamap
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B035-1184
lifecycle
latest
Product Category
Teradata Vantage™

If you specify CPP in the Language Clause, then you must declare the main C++ function as extern “C” to ensure that the function name is not converted to an overloaded C++ name, for example:

extern “C”
void my_cpp(long int *input_int, long int *result, char sqlstate[6])
{

See Teradata Vantage™ - SQL External Routine Programming, B035-1147 for details.