清理课程状态表,修正同一课程出现多次的BUG

This commit is contained in:
nwb 2014-07-04 13:38:34 +08:00
parent ff8994fc9d
commit 864ef17941
4 changed files with 33 additions and 13 deletions

View File

@ -1,3 +1,7 @@
class CourseStatus < ActiveRecord::Base
attr_accessible :changesets_count, :course_ac_para, :course_id, :grade, :watchers_count
belongs_to :course
validates_presence_of :course_id
validates_uniqueness_of :course_id
end

View File

@ -31,7 +31,7 @@ class StoredCourseProcedure < ActiveRecord::Migration
courseStatus.watchers_count = projectstatus.watchers_count
courseStatus.grade = projectstatus.grade
courseStatus.course_ac_para = projectstatus.course_ac_para
courseStatus.save(:validate => false)
courseStatus.save()
end
end
end

View File

@ -0,0 +1,16 @@
class ClearCourseStatus < ActiveRecord::Migration
def up
# 删除重复的课程状态
# 之前做迁移的时候未加验证可能引起此问题
courseidlist = "(-1"
CourseStatus.all.each do |status|
sql = "delete from course_statuses where course_id=" + status.course_id.to_s + " and id<>" + status.id.to_s +
" and course_id not in " +courseidlist + ")"
courseidlist += "," + status.course_id.to_s;
execute(sql)
end
end
def down
end
end

View File

@ -11,7 +11,7 @@
#
# It's strongly recommended to check this file into your version control system.
ActiveRecord::Schema.define(:version => 20140703085204) do
ActiveRecord::Schema.define(:version => 20140704034832) do
create_table "activities", :force => true do |t|
t.integer "act_id", :null => false
@ -794,20 +794,20 @@ ActiveRecord::Schema.define(:version => 20140703085204) do
end
create_table "relative_memos", :force => true do |t|
t.integer "osp_id", :null => false
t.integer "osp_id"
t.integer "parent_id"
t.string "subject", :null => false
t.text "content", :null => false
t.string "subject", :null => false
t.text "content", :limit => 16777215, :null => false
t.integer "author_id"
t.integer "replies_count", :default => 0
t.integer "replies_count", :default => 0
t.integer "last_reply_id"
t.boolean "lock", :default => false
t.boolean "sticky", :default => false
t.boolean "is_quote", :default => false
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
t.integer "viewed_count_crawl", :default => 0
t.integer "viewed_count_local", :default => 0
t.boolean "lock", :default => false
t.boolean "sticky", :default => false
t.boolean "is_quote", :default => false
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
t.integer "viewed_count_crawl", :default => 0
t.integer "viewed_count_local", :default => 0
t.string "url"
t.string "username"
t.string "userhomeurl"