[HIVE-16929] User-defined UDF functions can be registered as invariant functions

• Type: New Feature
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Assignee: ZhangBing Lin Assign to me
• Reporter: ZhangBing Lin
• Created: 21/Jun/17 01:10
• Updated: 29/Jun/17 09:31

Description

Add a configuration item "hive.aux.udf.package.name.list" in hive-site.xml, which is a scan corresponding to the $HIVE_HOME/auxlib/ directory jar package that contains the corresponding configuration package name under the class registered as a constant function.
Such as,

<property>
  <name>hive.aux.udf.package.name.list</name>
  <value>com.sample.udf,com.test.udf</value>
</property>

note:Your UDF function needs to add annotations @Description of org.apache.hadoop.hive.ql.exec.Description;

Instructions:
   1, upload your jar file to $ HIVE_HOME/auxlib
   2, configure your UDF function corresponding to the package to the following configuration parameters

   <property>
        <name>hive.aux.udf.package.name.list</name>
        <value>com.sample.udf</value>
   </property>
  

   3, the configuration items need to be placed in the hive-site.xml file
   4, restart the Hive service to take effect

Issue Links

• links to: review board