hive操作(三)
2015-10-14 17:22
218 查看
从hive导入到文件中
insert overwrite local directory '/home/source/load_local.txt' select * from t_hive2;
从hive导入到hdfs
insert overwrite directory '/user/hive/warehouse/search_urls/online-s1' select * from search_urls limit 5
导hdfs文件到hive
load data inpath '/user/hive/warehouse/t_hadoop/load_f.txt' overwrite into table t_hive2;
清空hive表
insert overwrite table pokes select * from pokes where 1=0;
建分区表
CREATE TABLE t_hft(
SecurityID STRING,
tradeTime STRING,
PreClosePx DOUBLE
) PARTITIONED BY (tradeDate INT)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ',';
insert overwrite local directory '/home/source/load_local.txt' select * from t_hive2;
从hive导入到hdfs
insert overwrite directory '/user/hive/warehouse/search_urls/online-s1' select * from search_urls limit 5
导hdfs文件到hive
load data inpath '/user/hive/warehouse/t_hadoop/load_f.txt' overwrite into table t_hive2;
清空hive表
insert overwrite table pokes select * from pokes where 1=0;
建分区表
CREATE TABLE t_hft(
SecurityID STRING,
tradeTime STRING,
PreClosePx DOUBLE
) PARTITIONED BY (tradeDate INT)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ',';
相关文章推荐
- Android AlertDialog.Builder详解
- java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
- 1 根文件系统 简单来说,(根文件系统)
- 10-Windows Server 2012 R2 会话远程桌面-What's New(RemoteApp)
- 09-Windows Server 2012 R2 会话远程桌面-标准部署-使用PowerShell进行部署2-2
- __block在arc和非arc下含义是否一样
- ThreadPoolExecutor使用简介
- HashMap和HashSet
- CentOS 6.4下PXE+Kickstart无人值守安装操作系统
- UVA10635 Prince and Princess 动态规划
- groovy使用HTTPBuilder发送HTTP请求
- 第7周 项目2 - 建立链队算法库
- 08-Windows Server 2012 R2 会话远程桌面-标准部署-使用PowerShell进行部署2-1
- eclipse安装maven插件
- 数据库 第三方库FMDB 使用
- UVA10635 Prince and Princess 动态规划
- Ruby 变量
- 【资料】wod强壮护符
- jquerymobile iscrollview
- Maven学习总结