Page loads unnecessary queries Ruby On Rails - ruby-on-rails

Question

I have a weird problem, every page of my website that contains database queries loads some extra items. I've never had this problem before, tried to check all controllers but haven't found any problems. Here is an example of output when I load (or refresh) home page:
=> Booting Puma
=> Rails 5.1.6 application starting in development
=> Run `rails server -h` for more startup options
Puma starting in single mode...
* Version 3.12.0 (ruby 2.5.0-p0), codename: Llamas in Pajamas
* Min threads: 5, max threads: 5
* Environment: development
* Listening on tcp://0.0.0.0:3000
Use Ctrl-C to stop
Started GET "/c/wines" for 127.0.0.1 at 2018-11-02 15:55:30 -0400 (0.3ms) SELECT "schema_migrations"."version" FROM "schema_migrations" ORDER BY "schema_migrations"."version" ASC
Processing by CatalogsController#show as HTML
Parameters: {"id"=>"wines"}
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."slug" = ? LIMIT ? [["slug", "wines"], ["LIMIT", 1]]
Rendering catalogs/show.html.haml within layouts/application (0.2ms) SELECT COUNT(*) FROM "categories" WHERE "categories"."catalog_id" = ? [["catalog_id", 1]] (0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Category Exists (0.3ms) SELECT 1 AS one FROM "categories" WHERE "categories"."catalog_id" = 1 AND "categories"."open" = ? LIMIT ? [["open", "t"], ["LIMIT", 1]]
Category Load (0.9ms) SELECT "categories".* FROM "categories" WHERE "categories"."catalog_id" = 1 AND "categories"."open" = ? [["open", "t"]]
CACHE Category Load (0.0ms) SELECT "categories".* FROM "categories" WHERE "categories"."catalog_id" = 1 AND "categories"."open" = ? [["open", "t"]]
CACHE Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."catalog_id" = 1 AND "categories"."open" = ? [["open", "t"]]
Product Load (0.8ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 AND "products"."open" = ? AND "products"."category_id" = 1 [["open", "t"]]
Catalog Load (0.7ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Product Load (0.3ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 AND "products"."open" = ? AND "products"."category_id" = 2 [["open", "t"]]
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Rendered catalogs/show.html.haml within layouts/application (142.7ms)
Rendered application/_favicon.html.haml (11.1ms)
Catalog Load (0.4ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (23.7ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (15.7ms)
Completed 200 OK in 937ms (Views: 890.8ms | ActiveRecord: 9.4ms)
Started GET "/uploads/catalog/photo/1/hero-8.png" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Processing by StaticController#home as HTML
Started GET "/uploads/product/photo/4/pc_pistachio.png" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/uploads/product/photo/7/pc_pistachio.png" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/uploads/product/photo/1/pc_creame.png" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/uploads/product/photo/10/pc_pistachio.png" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Rendering static/home.html.haml within layouts/application
Catalog Load (0.3ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
(0.3ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.4ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Product Load (0.9ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Product Exists (0.2ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Product Load (0.1ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Rendered static/home.html.haml within layouts/application (95.0ms)
Rendered application/_favicon.html.haml (15.0ms)
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (19.9ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (18.0ms)
Completed 200 OK in 400ms (Views: 389.1ms | ActiveRecord: 4.3ms)
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Processing by StaticController#home as HTML
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:31 -0400
Processing by StaticController#home as HTML
Rendering static/home.html.haml within layouts/application
Processing by StaticController#home as HTML
Catalog Load (0.5ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
Rendering static/home.html.haml within layouts/application
Processing by StaticController#home as HTML
Catalog Load (0.4ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
Rendering static/home.html.haml within layouts/application
(0.3ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
(0.1ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.2ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Rendering static/home.html.haml within layouts/application
(0.4ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
Product Load (0.3ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
(0.1ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.2ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Category Load (0.3ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
Product Load (0.4ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Product Exists (0.4ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Product Exists (0.4ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.3ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Product Load (0.4ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.3ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Catalog Load (0.4ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Product Load (0.6ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Product Load (0.1ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Rendered static/home.html.haml within layouts/application (206.4ms)
Rendered application/_favicon.html.haml (6.5ms)
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Product Load (0.1ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Rendered static/home.html.haml within layouts/application (195.5ms)
Rendered application/_favicon.html.haml (0.1ms)
Rendered static/home.html.haml within layouts/application (246.3ms)
Rendered static/home.html.haml within layouts/application (255.3ms)
Rendered application/_favicon.html.haml (0.1ms)
Rendered application/_favicon.html.haml (0.0ms)
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (13.9ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (9.7ms)
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (3.2ms)
Catalog Load (0.3ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (3.2ms)
Rendered shared/_navbar.html.haml (14.3ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (5.9ms)
Rendered shared/_footer.html.haml (3.0ms)
Rendered shared/_footer.html.haml (6.0ms)
Completed 200 OK in 859ms (Views: 853.1ms | ActiveRecord: 3.5ms)
Completed 200 OK in 802ms (Views: 795.7ms | ActiveRecord: 4.0ms)
Completed 200 OK in 849ms (Views: 842.5ms | ActiveRecord: 3.7ms)
Started GET "/" for 127.0.0.1 at 2018-11-02 15:55:32 -0400
Processing by StaticController#home as HTML
Completed 200 OK in 858ms (Views: 851.2ms | ActiveRecord: 3.8ms)
Rendering static/home.html.haml within layouts/application
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.3ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Product Load (0.6ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.4ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
(0.5ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Product Exists (0.2ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Product Load (0.4ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.3ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Category Load (0.5ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Rendered static/home.html.haml within layouts/application (58.7ms)
Rendered application/_favicon.html.haml (9.7ms)
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (16.9ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (11.7ms)
Completed 200 OK in 261ms (Views: 254.4ms | ActiveRecord: 4.7ms)
My Static controller:
class StaticController < ApplicationController
def home
#catalogs = Catalog.all.where(open: true).order('created_at ASC').limit(6)
# #products = Product.all.includes(:catalog, :category).where(open: true).order('created_at DESC').take(8)
end
def about
#catalogs = Catalog.all.where(open: true)
#categories = Category.all.where(open: true)
#products = Product.all.where(open: true)
end
def download_pdf
send_file "#{Rails.root}/app/assets/docs/1_s.pdf", type: "application/pdf", x_sendfile: true
end
end
Note: I have similar problems with other controllers
At the beginning I thought that it's a bag because I didn't add any new code. Please, let me know if you need more code from controllers. Thank you very much for your time and help.
UPDATE
Application Controller:
class ApplicationController < ActionController::Base
protect_from_forgery with: :exception
before_action :prepare_meta_tags, if: "request.get?"
def prepare_meta_tags(options={})
site_name = "Alvian Imports Inc."
title = "Alvain Imports Inc."
description = "For many years, Alvian imports alcohol accross Florida state and now it's time to grow. Absolutly new team with new products that will be loved by everyone. We have an exclusive partnership with Ponche Caribe and we are starting to deliver our products to Texas, California, Mexico, and Columbia. Our goal is to make alcohol importation better and faster, so our team is working hard to deliver wonderful products to your closest stores."
image = options[:image] || "app/assets/images/brand/logo.png"
current_url = request.url
# Let's prepare a nice set of defaults
defaults = {
site: site_name,
title: title,
image: image,
description: description,
keywords: %w[food food processor food service food and drink f&b food industry food and beverage service food & beverage food processing industry food and beverage manager food and beverage industry food service jobs food beverage beverage industry food service companies f&b service food service worker food industry jobs food service industry food & drink food drink food and beverage management types of food service f&b industry food and beverage department import imports alvian alvianimports miami usa florida],
twitter: {
site_name: site_name,
site: '#IncAlvian',
card: 'The Beverage Company. Ponche Caribe Curacao Blue & Liquors Exclusive Distributor Florida - Texas - California - Colombia Distributor. Must be 21 +',
description: description,
image: image
},
og: {
url: current_url,
site_name: site_name,
title: title,
image: image,
description: description,
type: 'website'
}
}
options.reverse_merge!(defaults)
set_meta_tags options
end
end
Application.html.haml code:
!!!
%html(lang="en-US" class="region--#{controller.controller_name}")
%head
= display_meta_tags
%meta(http-equiv="X-UA-Compatible" content="IE=edge,chrome=1")
%meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
%meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
%meta{:charset => "utf-8"}/
%meta{:content => "width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no", :name => "viewport"}/
%meta{:content => "user-scalable=no, width=device-width, initial-scale=1.0", :name => "viewport"}/
%meta{:content => "yes", :name => "apple-mobile-web-app-capable"}/
%meta{:'http-equiv' => "X-UA-Compatible", :content => "IE=edge"}
%meta{:name => "HandheldFriendly", :contnet => "true"}
%meta{:name => "MobileOptimized", :content => "176"}
= render 'application/favicon'
%title #{content_for?(:title) ? yield(:title) : 'Alvian Imports'}
= csrf_meta_tags
= stylesheet_link_tag 'application', media: 'all'
= analytics_init if GoogleAnalytics.valid_tracker?
%body(class = '#{controller.controller_name}')
%div(class="application-wrapper")
= render partial: 'shared/navbar'
= content_tag :main, class: "layout layout-#{controller.action_name}" do
= yield
= render partial: 'shared/footer'
- unless params[:nojs]
= javascript_include_tag 'application'
UPDATE 2
I have 3 models: Catalog, Category, and Products.
Catalog model:
class Catalog < ApplicationRecord
extend FriendlyId
friendly_id :name, use: [:slugged, :history]
mount_uploader :photo, PhotoUploader
has_many :categories, dependent: :delete_all
has_many :products, :through => :categories, :source => :catalog, dependent: :delete_all
# Important fields
validates_presence_of :name
end
Category model:
class Category < ApplicationRecord
extend FriendlyId
friendly_id :name, use: [:slugged, :history]
belongs_to :catalog, :foreign_key => 'catalog_id'
has_many :products, dependent: :delete_all
# Important fields
validates_presence_of :name
def self.active
where(status: 1)
end
end
Product model:
class Product < ApplicationRecord
extend FriendlyId
friendly_id :name, use: [:slugged, :history]
mount_uploader :photo, PhotoUploader
belongs_to :catalog, :foreign_key => 'catalog_id'
belongs_to :category, :foreign_key => 'category_id'
# Important fields
validates_presence_of :name
end
Expected output in the console:
Started GET "/" for 127.0.0.1 at 2018-11-02 16:41:26 -0400
Processing by StaticController#home as HTML
Rendering static/home.html.haml within layouts/application
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? ORDER BY created_at ASC LIMIT ? [["open", "t"], ["LIMIT", 6]]
(0.1ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
CACHE (0.0ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 1
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 1 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 1
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1, 2)
(0.2ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 2
Product Exists (0.1ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 1]]
Product Load (0.1ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 2 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.1ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 2
Category Load (0.1ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 3
(0.3ms) SELECT COUNT(*) FROM "products" WHERE "products"."catalog_id" = 3
Product Exists (0.3ms) SELECT 1 AS one FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 1]]
Product Load (0.2ms) SELECT "products".* FROM "products" WHERE "products"."catalog_id" = 3 LIMIT ? [["LIMIT", 6]]
Catalog Load (0.3ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."id" = 3
Category Load (0.2ms) SELECT "categories".* FROM "categories" WHERE "categories"."id" = 2
Rendered static/home.html.haml within layouts/application (44.4ms)
Rendered application/_favicon.html.haml (7.9ms)
Catalog Load (0.2ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_navbar.html.haml (15.8ms)
CACHE Catalog Load (0.0ms) SELECT "catalogs".* FROM "catalogs" WHERE "catalogs"."open" = ? [["open", "t"]]
Rendered shared/_footer.html.haml (8.9ms)
Completed 200 OK in 218ms (Views: 213.2ms | ActiveRecord: 3.1ms)
Home page HTML (HAML), however it has to be mentioned that I get similar problem with other pages that requires queries (for example catalog show pages):
= content_for :navbar_class, "navbar-dark"
%section(class="hero hero-homepage")
%div(class="hh-container")
%div(class="hh-carousel")
- #catalogs.each do |catalog|
%div(class="hhc-item")
= link_to catalog, class: 'hhc-container' do
%div(class="hhc-background" style="background-image: url(#{catalog.photo});")
-# = image_tag(catalog.photo, lazy: true, class: "hhc-background")
%div(class="hhc-caption")
%h4(class="heading heading-1 is-light") #{catalog.name}
- if !catalog.description.empty?
%p(class="text text-2 is-light is-transparent") #{truncate(catalog.description, :length => 112)}
%section(class="section")
- #catalogs.each do |pc|
- #products = Product.all.where(catalog_id: pc)
%div(class="content")
%div(class="header header-hr")
%span
%h4(class="heading heading-4") New #{pc.name}
- if #products.count > 6
%span
= link_to "View all " + #products.count.to_s, pc, class: "link link-secondary link-arrow"
%div(class="row")
- if !#products.empty?
- #products.includes(:catalog, :category).take(6).each do |p|
%div(class="col-xs-6 col-md-4 col-lg-3")
= link_to catalog_category_product_url(p.catalog, p.category, p), class: "block block-product" do
= image_tag p.photo, alt: p.name, class: 'bp-photo', lazy: true
%div(class="bp-desc")
%span
%h5(class="heading heading-5") #{p.name}
%span
%p(class="text text-3")
%span.is-primary #{p.catalog.name}
%span - #{p.category.name}
- else
%div(class="col-xs-12 is-centered")
%h5(class="heading heading-5") Currently this list is empty.
UPDATE 3
Ok, I didn't understand the course of the problem but I decided to recreate the database:
rake db:drop db:create db:migrate
Fixed the problem..

Answer 1

A whole bunch of things and hard to help without actually running the code.
First of all, familiarize yourself with good practice in regards of naming things.
#catalogs.each do |pc| is a no-no and should be #catalogs.each do |catalog|.
if !#products.empty? and #product.count, those trigger two queries and my recommendation is to write the count into #products_count and replace that empty? with #product_count > 0
Use scope in the model to replace things like .where(open: true)
In #products.includes(:catalog, :category) you can remove the catalog because you already walk the products by catalog and can use pc (or as I recommended above: catalog) instead of product.catalog
If catalog_category_product_url doesn't use anything fancy but just the ids (e.g. catalog/5/category/2/product/23) then you can do catalog_category_product_url(product.catalog_id, product.category_id, product) to prevent a few extra queries (especially if you forgot to use eager loading or don't want to load a big chunk of data from the db).