System Administrator Guide > System Administrator Guide > Configuring User-defined Functions > Predefined UDFs
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Predefined UDFs
Predefined UDFs are a collection of user-defined functions available for users to add to their database.
An Actian public Git repository holds the function definition (SQL) files:
https://github.com/ActianCorp/Ingres_Vector_pre-defined_UDFs
The following utilities are available to assist with the UDFs:
• iisugetudflib Command--Download Predefined UDFs: A download utility that is available for database administrators to download the function definition files from the Git repository. This script has options to target specific versions of the functions, but the default setting is to download a specific version that has been tested with the running database.
• import_udflib Command--Import Predefined UDFs: An import utility that is available for database users to make use of the function definition files to create and update the functions in their database.
• import_model Command--Import Predefined Models: Few predefined UDFs are predefined models stored on Actian public Hugging Face repositories, and need to be downloaded by users using this separate script.
Predefined UDFs can be used for data preprocessing and measuring model performance. See Predefined UDFs for MLM for details.
Last modified date: 09/11/2026