Navis created HIVE-7588:
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Summary: Using type variable in UDF
Key: HIVE-7588
URL: https://issues.apache.org/jira/browse/HIVE-7588
Project: Hive
Issue Type: Improvement
Components: UDF
Reporter: Navis
Assignee: Navis
Priority: Trivial
>From http://www.mail-archive.com/user@hive.apache.org/msg12307.html
Support type variables in UDF
{code}
public <T> T evaluate(final T s, final String column_name, final int bitmap)
throws Exception {
if (s instanceof Double)
return (T) new Double(-1.0);
Else if( s instance of Integer)
Return (T) new Integer(-1) ;
…..
}
{code}
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