ALTER TABLE table_name PARTITION (dt='2008-08-09', country='us') RENAME TO PARTITION (dt='20080809', country='北京'); 1. 2.5 修复分区 hdfs上的分区与hive元数据中分区字段不一致的情况下,可以使用msck进行修复。 MSCK REPAIR TABLE table_name [ADD/DROP/SYNC PARTITIONS]; -- 比如:直接使用HDFS...
hive> create external table test_4 (name string, age int) partitioned by (date string) row format delimited fields terminated by ',' lines terminated by '\n'; OK Time taken: 0.121 seconds hive> alter table test_4 add partition (date='20170809') location '/hdfs_home/20170809/'; OK hi...
可以看到在partition_test_input中的5条数据有着不同的stat_date和province,但是在插入到partition(stat_date='20110527',province='liaoning')这个分区后,5条数据的stat_date和province都变成相同的了,因为这两列的数据是根据文件夹的名字读取来的,而不是实际从数据文件中读取来的: $ hadoop fs-cat/user/hive/wa...
HIVE报错 need to specify partition columns because the destination table is partitioned 解决 分区需要指定分区 insert into table XXX partition(分区='') 大数据流动 专注于大数据实时计算,数据治理,数据可视化等技术分享与实践。请在后台回复关键字下载相关资料。相关学习交流群已经成立,欢迎加入~ 分类: 大数据 ...
构建hive表SET'table.sql-dialect'='hive';CREATE TABLEifnotexists hive_catalog.sloth.orders(order_idint,order_datestring,customer_namestring,pricedecimal(10,3),product_idint,order_statusboolean)PARTITIONED BY(dt STRING)storedasparquet;--切换回flink sql语法SET'table.sql-dialect'='default';--创建...
3 delete hive partitioned external table but retain partitions 0 Partitions are still showing in hive even though they are dropped for an external table 0 How to drop External_Table along with Metadata and Data in Hive 0 Hive External Table - Drop Table / Partition and Delete Data 3...
ALTER TABLE … [PARTITION partition_spec] SET FILEFORMAT ORC SET hive.default.fileformat=Orc TBLPROPERTIES 是 HiveQL 中的一个命令,用于在创建表或修改表时存储表的元数据属性。这些属性可以包括一些关于表的附加信息,如表的创建时间、表的所有者、序列化和反序列化的类名等。你也可以使用它来设置一些特定的...
ALTER TABLE table_name [PARTITION partition_spec] SET SERDEPROPERTIES serde_properties; serde_properties: : (property_name = property_value, property_name = property_value, ... ) These statements enable you to change a table's SerDe or add user-defined metadata to the table's SerDe objec...
[HIVE-19975] - Checking writeIdList per table may not check the commit level of a partition on a partitioned table [HIVE-19981] - Managed tables converted to external tables by the HiveStrictManagedMigration utility should be set to delete data when the table is dropped ...
恢复被删除分区:msck repair table 表名; 添加分区:alter table 表名 add PARTITION(分区字段=值) alter table learn2.partition_student2 add PARTITION(clazz=“理科一班”); 创建多级分区: 特点: 1.查询和操作分区时 格式为: clazz=文科一班/gender=女 ...