Writing JavaScript UDFs¶
With JavaScript UDFs (user-defined functions), you can write a JavaScript function and call it as though it were a SQL function.
- Introduction to JavaScript UDFs
Learn about JavaScript UDFs, supported data types, arguments and return value, errors, and limitations.
- Scalar JavaScript UDFs
Write a handler for a UDF that returns scalar results.
- Tabular JavaScript UDFs (UDTFs)
Write a handler for a UDF that returns tabular results.
- Troubleshooting JavaScript UDFs
Read troubleshooting tips.