hive show compactions filter

For example, if you have a partitioned table called date_partitioned_table that is partitioned on the datetime column, the following query only reads partitions that are created after January 1, 2017: Works fine when I use to_date(date). Hive Show - Learn Hive in simple and easy steps from basic to advanced concepts with clear examples including Introduction, Architecture, Installation, Data Types, Create Database, Use Database, Alter Database, Drop Database, Tables, Create Table, Alter Table, Load Data to Table, Insert Table, Drop Table, Views, Indexes, Partitioning, Show, Describe, Built-In Operators, Built-In Functions Hi, can you tell me how exactly string comparison is done in HIVE ? Apache Hive is an enterprise data warehouse build on top of Hadoop. It is also possible to specify parts of a partition specification to filter the resulting list. This is for use by "show transactions" in the grammar, not for applications that want to find a list of current transactions to work with. Reply. As of Hive 0.6, SHOW PARTITIONS can filter the list of partitions as shown below. Hive queries that read from partitioned tables typically filter on the partition column in order to avoid reading all partitions from the table. In Hive, SHOW PARTITIONS command is used to show or list all partitions of a table from Hive Metastore, In this article, I will explain how to list all partitions, filter partitions, and finally will see the actual HDFS location of a partition. I am doing date string comparison as date between '2016-12-02' and '2017-01-01' where my date is timestamp string and it doesn't show data for 2017. The currently supported key names in the filter are: Constants.HIVE_FILTER_FIELD_OWNER, ... Show the list of currently open transactions. These statements provide a way to query the Hive metastore for existing data and metadata accessible to this Hive system. The Hive table is partitioned by date and stored in the form of JSON. Sales partition(dop='2015-01-01'); Show transcript Advance your knowledge in tech . – kanatti Jan 2 '17 at 14:34 With your fingers, grip the two yellow tabs on either side of the filter, squeeze, and pull the filter out. Hive supports insert, update, delete, and merge SQL operations with transactional semantics and read operations that run at snapshot isolation. 43,903 Hive compactions are not tiered: major compactions … Show partitions Hive_learning. Clean the filter Now it’s time to get all the accumulated dust and dirt off the filter. Configuration of Hive is done by placing your hive-site.xml, core-site.xml (for security configuration), and hdfs-site.xml (for HDFS configuration) file in conf/. For these compactions we need to provide minTxnIdSeenOpen // to the clean method, to avoid cleaning up deltas needed for running queries // when min_history_level is finally dropped, than every HMS will commit compaction the new way Show Databases SHOW (DATABASE Get all the quality content you’ll ever need to stay ahead with a Packt subscription - access over 7,500 online books and videos on everything in tech . ... partition ( in HDFS) after deleting it using the Hive query. List of all current compactions.

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