Description. How do I drop all partitions at once in hive? Dropping a partition can also be performed using ALTER TABLE tablename DROP. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The same functionality works fine in 10.4.1.2 version. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Hive load data from multiple directories and dynamically create partitions. Generic Doubly-Linked-Lists C implementation. How to update only one partition field when the hive table has multiple partition fields? but it should also work to drop all partitions prior to date. There are also live events, courses curated by job role, and more. You can update a Hive partition by, for example: This command does not move the old data, nor does it delete the old data. Not the answer you're looking for? Would you ever say "eat pig" instead of "eat pork"? Example: CREATE TABLE IF NOT EXISTS hql.customer(cust_id INT, name STRING, created_date DATE) COMMENT 'A table to store . how can i delete older partitions data in hive - Cloudera Hive Partitioning vs Bucketing with Examples? Exception while processing hive> Reply How to check for #1 being either `d` or `h` with latex3? Running SELECT command on the table doesnt show the records from removed partitions, however, SHOW PARTITIONS still shows the deleted partitions. OReilly members experience books, live events, courses curated by job role, and more from OReilly and nearly 200 top publishers. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Hive table partition is a way to split a large table into smaller logical tables based on one or more partition keys. Generate points along line, specifying the origin of point generation in QGIS, tar command with and without --absolute-names option. Normal Hadoop performance. How can I control PNP and NPN transistors together from one pin? Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? A collaborative platform to connect and
I'm planning to truncate the hive external table which has one partition. Hive - The Apache Software Foundation ALTER TABLE some_table DROP IF EXISTS PARTITION(year = 2012); This command will remove the data and metadata for this partition. Manage Settings We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development.