> Are they basically a way to group together a set of UDF functions You are right, each module would have a set of functions which behaves like a Flink builtin function, the functions don’t have any namespaces. When there are two objects of the same name residing in two modules, Flink always resolves the object reference to the one in the 1st loaded module. Here is the doc why we evolves this feature [1]
[1] https://cwiki.apache.org/confluence/display/FLINK/FLIP-68%3A+Extend+Core+Table+System+with+Pluggable+Modules Best, Danny Chan 在 2020年4月23日 +0800 PM11:12，Flavio Pompermaier <pomperma...@okkam.it>，写道： > > Are they basically a way to group together a set of UDF functions
