show documentation for user defined functions
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Key: HIVE-691
URL: https://issues.apache.org/jira/browse/HIVE-691
Project: Hadoop Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Prasad Chakka
There are lot of functions and more of them will be added. I think it is
cumbersome to update wiki or ask users to go to wiki to find out documentation.
instead each user defined function can have an annotation containing
documentation and 'show functions' command or similar can show the
documentation to users on command line. it will also be easier to update the
documentation along with code.
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