parent
71326c901d
commit
7edb30754b
@ -0,0 +1,16 @@
|
||||
class AddCommitTimeToStudentWork < ActiveRecord::Migration
|
||||
def change
|
||||
add_column :student_works, :commit_time, :datetime
|
||||
|
||||
count = StudentWork.all.count / 30 + 2
|
||||
transaction do
|
||||
for i in 1 ... count do i
|
||||
StudentWork.page(i).per(30).each do |work|
|
||||
if work.work_status != 0
|
||||
work.update_column("commit_time", work.created_at)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
Loading…
Reference in new issue