利用udf函数将hive数据导入到mysql


hive>add jar /opt/cloudera/parcels/CDH/jars/hive-contrib-1.1.0-cdh5.11.0.jar;
 

 
hive>add jar /usr/share/java/mysql-connector-java.jar;
 


hive>CREATE TEMPORARY FUNCTION dboutput AS 'org.apache.Hadoop.hive.contrib.genericudf.example.GenericUDFDBOutput';

 


hive>select

dboutput(

                'jdbc:mysql://localhost/dbname',

                'root',

'123456',

'insert into tab(col1_name,col2_name) values(?,?)',

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clo1_name,col2_name)

from hive_db.hive_tab

limit 10;


#通过上面的语句将hive表数据直接导入到sql数据库

注:需要提前在sql数据库中建好tab表



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转载自blog.csdn.net/gameovertryagain/article/details/80689474