1.在mysql中元数据库下执行以下SQL
alter table COLUMNS_V2 modify column COMMENT varchar(256) character set utf8;
alter table TABLE_PARAMS modify column PARAM_VALUE mediumtext character set utf8;
alter table PARTITION_PARAMS modify column PARAM_VALUE mediumtext character set utf8;
alter table PARTITION_KEYS modify column PKEY_COMMENT mediumtext character set utf8;
alter table INDEX_PARAMS modify column PARAM_VALUE mediumtext character set utf8;
2.在hive-site.xml添加
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://hadoop102:3306/metastore?useSSL=false&useUnicode=true&characterEncoding=UTF-8</value>
</property>
本文介绍如何通过修改MySQL中的表字段来更新字符集为UTF-8,并在hive-site.xml文件中配置连接URL以确保Hive与MySQL元数据库之间的正确交互。
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