1

lib/tasks/statistic_subject_info.rake

@@ -8,10 +8,10 @@ namespace :subjects do
     column_value = "subject_id, study_count, course_study_count, initiative_study, passed_count, course_used_count, " +
         "school_used_count, created_at, updated_at"
     Parallel.in_processes(4) do |i|
-      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 |s|
+        str = []
         s.each do |subject|
           puts("---------------------data_statistic: #{subject.id}")
           Rails.logger.info("---------------------data_statistic: #{subject.id}")
@@ -24,40 +24,44 @@ namespace :subjects do
               "#{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 "####str: #{str}"
-          if str.size == 50 || subject == s.last
+          puts "####str: #{str.size}"
+          puts "#####{subject == s.last}"
+          if subject == s.last
+            put "------------------------------------------------"
             sql = "REPLACE INTO subject_records(#{column_value}) VALUES #{str.uniq.join(",")}"
             puts sql
             ActiveRecord::Base.connection.execute sql
-            str = []
           end
         end
       end
 
     end
 
-    # subjects.find_in_batches(batch_size: 50) do |s|
-    #   str = []
-    #   Parallel.each_with_index(s, in_processes: 4) do |subject, index|
-    #     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 == 100 || 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
+    subjects.find_in_batches(batch_size: 50) do |s|
+      Parallel.in_processes(4) do |i|
+
+      end
+      Parallel.each_with_index(s, in_processes: 4) do |subject, index|
+        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 == 100 || 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
     # if str.size > 0
     #   sql = "REPLACE INTO subject_records(#{column_value}) VALUES #{str.uniq.join(",")}"
     #   puts sql
@@ -77,7 +81,7 @@ namespace :subjects do
         "choice_shixun_frequency, created_at, updated_at"
 
     subjects.find_in_batches(batch_size: 50) do |s|
-      Parallel.each(s, in_processes: 4) do |subject|
+      Parallel.each(in_processes: 4) do |subject|
         puts("---------------------course_info_statistic: #{subject.id}")
         Rails.logger.info("---------------------course_info_statistic: #{subject.id}")
         data = Subjects::CourseUsedInfoService.call(subject)