From 8655498b9cb5ba44ec158f24be70a0eee20fa5a3 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Thu, 13 Feb 2020 14:30:19 +0800
Subject: [PATCH] 1

---
 lib/tasks/statistic_subject_info.rake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/tasks/statistic_subject_info.rake b/lib/tasks/statistic_subject_info.rake
index d188011a7..2c379eb26 100644
--- a/lib/tasks/statistic_subject_info.rake
+++ b/lib/tasks/statistic_subject_info.rake
@@ -10,7 +10,7 @@ namespace :subjects do
     subjects.find_in_batches(batch_size: 50) do |s|
       str = ""
       buffer_size = 0
-      Parallel.each(s, in_processes: 4) do |subject|
+      Parallel.each_with_index(s, in_processes: 4) do |subject, index|
         buffer_size += 1
         str += ", " unless str.empty?
         puts("---------------------data_statistic: #{subject.id}")
@@ -23,7 +23,7 @@ namespace :subjects do
         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 "buffer_size: #{buffer_size}; subject_id: #{subject.id}; s: #{s.last}; subject: #{subject == s.last};"
+        puts "index: #{index}; worker_number: #{Parallel.worker_number}"
         puts "####str: #{str}"
         if buffer_size == 1000 || subject == s.last
           sql = "REPLACE INTO subject_records(#{column_value}) VALUES #{str}"