Problem: Directory managed/hive/db1.db remains. Note: By configuring Trash, you can just retain the actual data in .Trash directory but the Meta data from metastore is removed and cannot be restored. Apache Hive is not designed for online transaction processing and does not offer real-time queries and row level updates and deletes. However, the latest version of Apache Hive supports ACID transaction, but using ACID transaction on table with huge amount of data may kill the performance of Hive server. Use DROP DATABASE statement to drop the database in Hive, By default you can’t drop a database that has tables but, using optional clauses you can override this. DFS_list produces a character vector of the names of files in the directory named by its argument. DFS_read_lines is a reader for (plain text) files stored on the DFS. Hive DELETE FROM Table Alternative. Given a directory owned by user A with WRITE permission containing an empty directory owned by user B, it is not possible to delete user B's empty directory with either "hdfs dfs -rm -r" or "hdfs dfs -rmdir". Remove prior historical versions of the Hive folder and its contents from SpiderOak… How to delete or update a single record using Hive because delete or update command of MySQL is not working in Hive. When Hive tries to “INSERT OVERWRITE” to a partition of an external table under existing directory, depending on whether the partition definition already exists in the metastore or not, Hive will behave differently: ... it will attempt to remove all files under the target partition directory before writing new data into those directories. Wishing to load, insert, retrieve, update, or delete data in the Hive tables? Since HIVE-22995, dbs have a managed (managedLocationUri) and an external location (locationUri).I think the issue is that HiveMetaStore.HMSHandler#drop_database_core deletes only the db directory in the external location. After learning basic Commands in Hive, let us now study Hive DML Commands. Hive Drop Database. In this article, we will learn Hive DML commands. shzhangji.com/blog/2019/06/10/understanding-hive-acid-transactional-table I have installed Hadoop, Hive, Hive JDBC. But I still have a problem. which are running fine for me. Delete the Hive folder from the computer, using the operating system's file manager (Windows' file explorer, Mac Finder, etc.). Later in the move staging, Hive will delete or trash the sub directory under the /hive/test2 who's name does not begin with "_" or "." Hive Data Manipulation Language commands are used for inserting, retrieving, modifying, deleting, and updating data in the Hive table.. You can see its processing logic in org.apache.hadoop.hive.ql.metadata.trashFilesUnderDir. in order to move data to this directory. Now that Hive has been disabled, it can be de-selected in the Backup tab. Deletes a specified directory, and optionally any subdirectories. DFS_dir_remove attempts to remove the directory named in its argument and if recursive is set to TRUE also attempts to remove subdirectories in a recursive manner. Spark thrift server, Spark 2.0.2, The "drop table" command doesn't delete the directory associated with the Hive table (not EXTERNAL table) from the HDFS file system. Because the current implementation requires FULL permission of the empty directory… Your ACL output showed that the directory is owned by "hive:hive" and as @Tomas79 found out, you have sticky bit set, so if hive needs to impersonate as the end user, the end user who runs the query will not be able to delete the path as he/she is not the owner. Deletes an empty directory from a specified path.

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