修改bug

app/models/project.rb

@@ -13,8 +13,10 @@ class Project < ApplicationRecord
   belongs_to :ignore, optional: true
   belongs_to :license, optional: true
   belongs_to :owner, class_name: 'User', foreign_key: :user_id
-  belongs_to :project_category, optional: true , :counter_cache => true
-  belongs_to :project_language, optional: true , :counter_cache => true
+  # belongs_to :project_category, optional: true , :counter_cache => true
+  # belongs_to :project_language, optional: true , :counter_cache => true
+  belongs_to :project_category, optional: true 
+  belongs_to :project_language, optional: true 
   has_many :project_trends, dependent: :destroy
   has_many :watchers, as: :watchable, dependent: :destroy
   has_many :fork_users, dependent: :destroy

db/migrate/20200525021613_add_index_for_project_language_and_category.rb

@@ -1,30 +1,33 @@
 class AddIndexForProjectLanguageAndCategory < ActiveRecord::Migration[5.2]
   def change
-    execute "ALTER TABLE project_categories ADD PRIMARY KEY (id);"
-    execute "ALTER TABLE project_languages ADD PRIMARY KEY (id);"
+    change_column :project_categories, :id, :integer, null: false
+    change_column :project_languages, :id, :integer, null: false
 
-    # 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
+    ProjectCategory.update_all(projects_count:0)
+    ProjectLanguage.update_all(projects_count:0)
 
-    # 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)
+    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 = 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)
+    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 = 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