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This article mainly introduces how to use asynchronous query in hive, which can be used for reference by interested friends. I hope you can learn a lot after reading this article.

Hive 12 and beyond, you can use asynchronous queries

The rbhive1.0 support functions for this are as follows

# encoding: UTF-8 $LOAD_PATH.unshift (File.dirname (_ _ FILE__)) require 'pp'require' rbhive'def abc_function () RBHive.tcli_connect ('1.2.3.4, 10000, {hive_version: 12, transport:: sasl : sasl_params = > {}}) do | connection | handles = connection.async_execute ('select * from abc limit 2') state= connection.async_state (handles) while true do sleep 10 state= connection.async_state (handles) if (state= =: finished) result = connection.async_fetch (handles 1000) pp result connection.async_close_session (handles) break endend endendbegin abc_function () rescue Exception = > e puts "# {e}" puts "# {e.backtrace}" end Thank you for reading this article carefully I hope the article "how to use asynchronous query in hive" shared by the editor will be helpful to you. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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