wecharyu opened a new pull request, #3316:
URL: https://github.com/apache/hive/pull/3316

   
   ### What changes were proposed in this pull request?
   Add the alteration of resource uris for Function while calling 
`alter_function` api.
   
   
   ### Why are the changes needed?
   Computing engines will load the jar of permanent UDF based on the resource 
uris, if we changed the resource uris through `alter_function` api, which 
apparently won't work, we will not able to use this UDF because of the lack of 
jars.
   
   
   ### Does this PR introduce _any_ user-facing change?
   No
   
   
   ### How was this patch tested?
   Add an unit test:
   ```bash
   mvn test 
-Dtest=org.apache.hadoop.hive.metastore.TestObjectStore#testFunctionOps -pl 
:hive-standalone-metastore-server
   ```
   


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