"""
/**
* Copyright 2020 Tianshu AI Platform. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================
*/
"""
# coding:utf-8

getTaskLua = """
local queue = KEYS[1]
local element = redis.call('zrangebyscore', queue, 0, 9999999999999, 'limit', 0, 1)
print(element[0])
if table.getn(element) > 0 then
   print('delete this element')
   redis.call('zrem', queue, element[1])
end   
return element
"""