hive 12及以后，可以使用非同步查询
hive 12及以后，可以使用非同步查询
rbhive1.0对此的支持函数如下
# 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
end
end
end
end
begin
abc_function()
rescue Exception => e
puts "#{e}"
puts "#{e.backtrace}"
end