15. 使⽤用案例
• 使⽤用UDF与hive⼀一样,进⼊入spark-sql,然后通过add
jar和create temporary function就可以使⽤用了
spark-sql> add jar hive_udf.jar;
spark-sql> create temporary function url_to_mid as ‘*****’;
spark-sql> create temporary function mid as ‘*******’;
spark-sql> select url_to_mid('z62QS3Ghr','1','0') from dual;
spark-sql> select mid('3520617028999724') from dual;