FusionInsight HDin, aboutHive UDFsSecondary development, is the following description correct?

user definedUDFBefore being used, it needs to beHivecreate this in the systemUDF.

user definedUDF, information such as summary and status is not allowed.

user definedUDF, can be added according to the actual situationdeterministicandstatefulletc. Annotation

Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.