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socialforge
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迁移空数据问题

This commit is contained in:
huang 2016-04-24 11:25:29 +08:00
parent 081aea8b02
commit 5d506458df
1 changed files with 14 additions and 10 deletions
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24
db/migrate/20160405021915_delete_anonymous_work.rb
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@ -1,16 +1,20 @@
class DeleteAnonymousWork < ActiveRecord::Migration
def up
student_works = StudentWork.where("homework_common_id = 2882").map{|work| work.id} unless StudentWork.where("homework_common_id = 2882").empty?
student_work_ids = "(" + student_works.join(",") + ")"
student_work_scores = StudentWorksScore.where("student_work_id in #{student_work_ids}")
unless student_work_scores.empty?
student_work_scores.each do |sscore|
student_work = StudentWork.find sscore.student_work_id
student_work.student_score = 0 unless student_work.nil?
student_work.absence_penalty = 0
sscore.destroy
student_work.save
begin
student_works = StudentWork.where("homework_common_id = 2882").map{|work| work.id} unless StudentWork.where("homework_common_id = 2882").empty?
student_work_ids = "(" + student_works.join(",") + ")"
student_work_scores = StudentWorksScore.where("student_work_id in #{student_work_ids}")
unless student_work_scores.empty?
student_work_scores.each do |sscore|
student_work = StudentWork.find sscore.student_work_id
student_work.student_score = 0 unless student_work.nil?
student_work.absence_penalty = 0
sscore.destroy
student_work.save
end
end
rescue => e
logger.error "[Errno::ENOENT] ===> #{e}"
end
end