HPL/SQL built-in functions like sysdate not working

select sysdate;
/
ERROR : FAILED: SemanticException [Error 10004]: Line 1:7 Invalid table alias or column reference 'sysdate': (possible column names are: )
org.apache.hadoop.hive.ql.parse.SemanticException: Line 1:7 Invalid table alias or column reference 'sysdate': (possible column names are: )