修改bug

db/migrate/20200525021613_add_index_for_project_language_and_category.rb

@@ -1,18 +1,30 @@
 class AddIndexForProjectLanguageAndCategory < ActiveRecord::Migration[5.2]
   def change
-    add_index  :project_categories, :id unless index_exists?(:project_categories, :id)
-    add_index  :project_languages, :id unless index_exists?(:project_languages, :id)
+    execute "ALTER TABLE project_categories ADD PRIMARY KEY (id);"
+    execute "ALTER TABLE project_languages ADD PRIMARY KEY (id);"
 
-    project_categories = Project.joins(:project_category).group("project_categories.id").size
-    project_categories.each do |k,v|
-      puts "#######____update_project_category_id____##############{k}"
-      ProjectCategory.update_counters(k, projects_count: v)
+    # project_categories = Project.joins(:project_category).group("project_categories.id").size
+    # project_categories.each do |k,v|
+    #   puts "#######____update_project_category_id____##############{k}"
+    #   ProjectCategory.update_counters(k, projects_count: v)
+    # end
+
+    # project_languages = Project.joins(:project_language).group("project_languages.id").size
+    # project_languages.each do |k,v|
+    #   puts "#######____update_project_language_id____##############{k}"
+    #   ProjectLanguage.update_counters(k, projects_count: v)
+    # end
+
+    project_categories = ProjectCategory.select(:id, :projects_count).includes(:projects)
+    project_categories.each do |i| 
+      puts "#######____update_project_category_id____##############{i.id}"
+      ProjectCategory.reset_counters(i.id, :projects)
     end
 
-    project_languages = Project.joins(:project_language).group("project_languages.id").size
-    project_languages.each do |k,v|
-      puts "#######____update_project_language_id____##############{k}"
-      ProjectLanguage.update_counters(k, projects_count: v)
+    project_languages = ProjectLanguage.select(:id, :projects_count).includes(:projects)
+    project_languages.each do |i| 
+      puts "#######____update_project_language_id____##############{i.id}"
+      ProjectLanguage.reset_counters(i.id, :projects)
     end
   end
 end