branch-0.19/src/contrib/hive/ql/src/test/queries/negative/duplicate_alias.q - hadoop - Git at Google

 FROM src a JOIN src a ON (a.key = a.key)
 INSERT OVERWRITE TABLE dest1 SELECT a.key, a.value
	FROM src a JOIN src a ON (a.key = a.key)
	INSERT OVERWRITE TABLE dest1 SELECT a.key, a.value