Column length too big for column ‘PARAM_VALUE‘ (max = 21845)； use BLOB or TEXT instead


hive在建表时报一下错误：

Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:An exception was thrown while adding/validating class(es) : Column length too big for column ‘PARAM_VALUE’ (max = 21845); use BLOB or TEXT instead
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Column length too big for column ‘PARAM_VALUE’ (max = 21845); use BLOB or TEXT instead

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解决方法：

  • 步骤1：在mysql中把hive库删除再重新建
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mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| hive               |
| mysql              |
| performance_schema |
| test               |
+--------------------+

mysql> drop database hive;

mysql> create database hive;
  • 步骤2：在shell命令行输入：schematool -dbType mysql -initSchema
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[root@hadoop60 ~]# schematool -dbType mysql -initSchema

  • 步骤3：重新建表即可
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0: jdbc:hive2://hadoop60:10000> create table student(id int,name string);

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