hive语句for循环写得有什么错误？

Question

test.hql语句

for i in '1'  '2' '3'
   do 
        hive -e "echo i"
done

执行 hive -f "d:/test.hql"
报错
FAILED: ParseException line 2:0 cannot recognize input near 'for' 'i' 'in'