解决Hive异常:Column length too big for column PARAM_VALUE

异常介绍 用sqoop时出现中文乱码,就改了mysql的编码,顺便把hive关联的数据库删掉了,重新生成,之后出现 MetaException(message:An exception was thrown while adding/validating class(es) : Column length too big for column ‘PARAM_VALUE’ (max = 21845)
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