1

lib/tasks/statistic_subject_info.rake

@@ -93,17 +93,16 @@ namespace :subjects do
         data = Subjects::ShixunUsedInfoService.call(subject)
         data.each do |key|
           next if key[:shixun_id].nil?
-          str += ", " unless str.empty?
-          str += ("(#{subject.id}, #{key[:shixun_id]}, '#{key[:stage]}', '#{key[:name]}', #{key[:challenge_count]}, " +
+          str << ("(#{subject.id}, #{key[:shixun_id]}, '#{key[:stage]}', '#{key[:name]}', #{key[:challenge_count]}, " +
               "#{key[:course_count]}, #{key[:school_count]}, #{key[:used_count]}, #{key[:passed_count]}, " +
               "#{key[:evaluate_count]}, #{key[:passed_ave_time]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
           if str.size == 1000
-            sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str.uniq.join(",")}"
             str_c = str
+            str -= str_c
+            sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str_c.uniq.join(",")}"
             puts sql
             ActiveRecord::Base.connection.execute sql
-            str -= str_c
           end
         end
       end