From adbbf537da1d734ff7d07c8a108db06c6fdb8029 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Wed, 26 Jun 2019 18:08:07 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=81=E7=A7=BB=E6=8A=A5=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 db/migrate/20190626070641_add_limit_for_shixuns.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/db/migrate/20190626070641_add_limit_for_shixuns.rb b/db/migrate/20190626070641_add_limit_for_shixuns.rb
index 1de29c80..e403c061 100644
--- a/db/migrate/20190626070641_add_limit_for_shixuns.rb
+++ b/db/migrate/20190626070641_add_limit_for_shixuns.rb
@@ -1,5 +1,8 @@
 class AddLimitForShixuns < ActiveRecord::Migration
   def up
+    if !Challenge.first.has_attribute?(:exec_time)
+      add_column :challenges, :exec_time, :integer, :default => 120
+    end
     Shixun.find_each do |shixun|
       shixun.challenges.update_all(:exec_time => shixun.exec_time)
       shixun.mirror_repositories.each do |mirror|