标签:min bsp src span ima limit cal format table
建表语句:
CREATE EXTERNAL TABLE IF NOT EXISTS student2 > (sno INT,sname STRING,age INT,sex STRING) > ROW FORMAT DELIMITED > FIELDS TERMINATED BY ‘\t‘ > STORED AS TEXTFILE > LOCATION ‘/user/external‘;
一份有文件的数据,看起来正常,以tab 分割
load数据:
LOAD DATA LOCAL INPATH ‘/home/hadoop/data/student1.txt‘ INTO TABLE student1;
结果很奇怪都是null的
搞了半天,原来还是分隔符问题,要手动录入tab 才可以。
标签:min bsp src span ima limit cal format table
原文地址:http://www.cnblogs.com/qiaoyihang/p/6174976.html