[转]hive metadata 存mysql 注释中文乱码的有关
2015-06-18 21:01
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FROM : http://blog.csdn.net/tswisdom/article/details/41444287
hive metadata 存mysql 注释中文乱码的问题
hive metadata 存mysql 注释中文乱码的问题
########### hive 中文乱码的问题#############
(1)修改表字段注解和表注解
alter table COLUMNS_V2 modify column COMMENT varchar(256) character set utf8
alter table TABLE_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8
(2) 修改分区字段注解:
alter table PARTITION_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8 ;
alter table PARTITION_KEYS modify column PKEY_COMMENT varchar(4000) character set utf8;
(3)修改索引注解:
alter table INDEX_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8;
2、修改hive连接mysql的连接为utf-8<property>
<name></name>
<value>jdbc:mysql://IP:3306/hive?createDatabaseIfNotExist=true&characterEncoding=UTF-8</value>
<description>JDBC connect string for a JDBC metastore</description>
</property>
hive metadata 存mysql 注释中文乱码的问题
hive metadata 存mysql 注释中文乱码的问题
########### hive 中文乱码的问题#############
解决方案:数据库编码为latin1.将一下表的字段(涉及注释的字段都改)编码设定为UTF8
1、然后进入数据库执行以下5条SQL语句:(1)修改表字段注解和表注解
alter table COLUMNS_V2 modify column COMMENT varchar(256) character set utf8
alter table TABLE_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8
(2) 修改分区字段注解:
alter table PARTITION_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8 ;
alter table PARTITION_KEYS modify column PKEY_COMMENT varchar(4000) character set utf8;
(3)修改索引注解:
alter table INDEX_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8;
2、修改hive连接mysql的连接为utf-8<property>
<name></name>
<value>jdbc:mysql://IP:3306/hive?createDatabaseIfNotExist=true&characterEncoding=UTF-8</value>
<description>JDBC connect string for a JDBC metastore</description>
</property>
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