hive中建立外部分区表,外部数据格式是json的如何导入呢? json格式的数据表不必含有分区字段,只需要在hdfs目录结构中体现出分区就可以了 This is all according to this guide: http://blog.cloudera.com/blog/2012/12/how-to-use-a-serde-in-apache-hive/ hive> ADD JAR /home/hadoop/hive-serdes-1.0-SNAPSHOT.jar; Added /ho
经过response.getWriter().write(json)打到前台日期格式混乱的问题的总结 import java.text.SimpleDateFormat;import net.sf.json.JsonConfig;import net.sf.json.processors.JsonValueProcessor; public class DateJsonValueProcessor implements JsonValueProcessor{ private String for
package lianxi; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class date { public static void main(String[] args) { Date date = new Date(); SimpleDateFormat sdf = new SimpleDateFormat(" yyyy-MM-dd E