Hive创建表时报错 顶

hive> create table t_emp ( > id int, > name string, > age int, > dept_name string > ) > ROW FORMAT DELIMITED > FIELDS TERMINATED BY ','; FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException: An exception was thrown while adding/validating class(es) : Specified key was too long; max key length is 767 bytes com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.Util.getInstance(Util.java:384)

解决方法:

mysql -uroot -hk8s-1 -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 39 Server version: 5.6.36-log MySQL Community Server (GPL), wsrep_25.20

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mysql> alter database hive character set latin1; Query OK, 1 row affected (0.01 sec)

效果:

hive> create table t_emp ( > id int, > name string, > age int, > dept_name string > ) > ROW FORMAT DELIMITED > FIELDS TERMINATED BY ','; OK Time taken: 1.922 seconds