22/11
2019
源自:
https://github.com/apache/hive/blob/master/ql/src/test/queries/clientpositive/alter_file_format.q
alter table alter_file_format_test set fileformat textfile;
ALTER TABLE alter_file_format_test SET FILEFORMAT INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat' SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe';