This topic describes the built-in functions provided by Realtime Compute for Apache Flink to convert data.

Note
  • Some built-in functions are added to Flink VVR 3.0.0 compared with Flink V1.12. For more information, see Scalar functions.
  • If the built-in functions that you need cannot be found, you can use user-defined functions. For more information about user-defined functions, see Overview.