FIX: Don't try to dequeue an empty queue.

2018-06-19 15:25:44 +08:00 · 2018-06-19 15:25:44 +08:00 · 1af7d4a894
parent b8e5989201
commit 1af7d4a894
1 changed files with 1 additions and 0 deletions
--- a/lib/scheduler/defer.rb
+++ b/lib/scheduler/defer.rb
@ -62,6 +62,7 @@ module Scheduler

    # using non_block to match Ruby #deq
    def do_work(non_block = false)
+      return unless @queue.size > 0
      db, job, desc = @queue.deq(non_block)
      db ||= RailsMultisite::ConnectionManagement::DEFAULT