1

lib/tasks/statistic_subject_info.rake

@@ -11,24 +11,26 @@ namespace :subjects do
       str = []
       puts("Parallel.worker_number: #{Parallel.worker_number}")
       subjects.find_in_batches(start: (Parallel.worker_number/4) * subjects.count,
-                               finish: ((Parallel.worker_number+1)/4) * subjects.count) do |subject|
-        puts("---------------------data_statistic: #{subject.id}")
-        Rails.logger.info("---------------------data_statistic: #{subject.id}")
-        data = Subjects::DataStatisticService.new(subject)
-        study_count = data.study_count
-        next if study_count == 0
-        course_study_count = data.course_study_count
-        initiative_study = study_count - course_study_count
-        str << ("(#{subject.id}, #{study_count}, #{course_study_count}, #{initiative_study}, " +
-            "#{data.passed_count}, #{data.course_used_count}, #{data.school_used_count}, " +
-            "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
-        puts "index: #{index}; worker_number: #{Parallel.worker_number}"
-        puts "####str: #{str}"
-        if str.size == 50 || subject == s.last
-          sql = "REPLACE INTO subject_records(#{column_value}) VALUES #{str.uniq.join(",")}"
-          puts sql
-          ActiveRecord::Base.connection.execute sql
-          str = []
+                               finish: ((Parallel.worker_number+1)/4) * subjects.count) do |s|
+        s.each do |subject|
+          puts("---------------------data_statistic: #{subject.id}")
+          Rails.logger.info("---------------------data_statistic: #{subject.id}")
+          data = Subjects::DataStatisticService.new(subject)
+          study_count = data.study_count
+          next if study_count == 0
+          course_study_count = data.course_study_count
+          initiative_study = study_count - course_study_count
+          str << ("(#{subject.id}, #{study_count}, #{course_study_count}, #{initiative_study}, " +
+              "#{data.passed_count}, #{data.course_used_count}, #{data.school_used_count}, " +
+              "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
+          puts "index: #{index}; worker_number: #{Parallel.worker_number}"
+          puts "####str: #{str}"
+          if str.size == 50 || subject == s.last
+            sql = "REPLACE INTO subject_records(#{column_value}) VALUES #{str.uniq.join(",")}"
+            puts sql
+            ActiveRecord::Base.connection.execute sql
+            str = []
+          end
         end
       end