bigdir/db/migrate/20140604011630_add_courseid...

23 lines
971 B
Ruby

class AddCourseidToToMembers < ActiveRecord::Migration
def change
add_column :members, :course_id, :int,:default => -1
change_column_null(:members, :project_id, true)
remove_index :members, name: 'index_members_on_user_id_and_project_id'
add_index "members", ["user_id", "project_id","course_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
#couese_id不能直接设置为project_id
#Member.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all("course_id = project_id")
#Member.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all(project_id: -1)
# 课程成员数据迁移
Member.all.each do |member|
project = Project.find_by_id(member.project_id)
if project && project.project_type == 1
member.course_id = project.course_extra.id
member.project_id = -1
member.save(:validate => false)
end
end
end
end