Upgrade to Rails 6.1 and apply new framework defaults

Gemfile

@@ -25,8 +25,7 @@ gem 'prometheus_exporter'
 gem 'pry-byebug'
 gem 'puma'
 gem 'pundit'
-# Switch to a newer 6.0 release while 6.0.3.7 is the newest version with the CSRF bug
+gem 'rails', '~> 6.1.0'
-gem 'rails', git: 'https://github.com/rails/rails', branch: '6-0-stable'
 gem 'rails_admin'
 gem 'rails-i18n'
 gem 'rails-timeago'

Gemfile.lock

@@ -18,96 +18,73 @@ GIT
       nokogiri (>= 1.10.2, < 1.12.0)
       rubyzip (>= 1.2.2, < 2.4.0)
 
-GIT
-  remote: https://github.com/rails/rails
-  revision: ef97441036e0ebbe1aa2108d59c408707f998ffd
-  branch: 6-0-stable
-  specs:
-    actioncable (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-    actionmailbox (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      activejob (= 6.0.3.7)
-      activerecord (= 6.0.3.7)
-      activestorage (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-      mail (>= 2.7.1)
-    actionmailer (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      actionview (= 6.0.3.7)
-      activejob (= 6.0.3.7)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 2.0)
-    actionpack (6.0.3.7)
-      actionview (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-      rack (~> 2.0, >= 2.0.8)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      activerecord (= 6.0.3.7)
-      activestorage (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-      nokogiri (>= 1.8.5)
-    actionview (6.0.3.7)
-      activesupport (= 6.0.3.7)
-      builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.0.3.7)
-      activesupport (= 6.0.3.7)
-      globalid (>= 0.3.6)
-    activemodel (6.0.3.7)
-      activesupport (= 6.0.3.7)
-    activerecord (6.0.3.7)
-      activemodel (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-    activestorage (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      activejob (= 6.0.3.7)
-      activerecord (= 6.0.3.7)
-      marcel (~> 1.0.0)
-    activesupport (6.0.3.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
-    rails (6.0.3.7)
-      actioncable (= 6.0.3.7)
-      actionmailbox (= 6.0.3.7)
-      actionmailer (= 6.0.3.7)
-      actionpack (= 6.0.3.7)
-      actiontext (= 6.0.3.7)
-      actionview (= 6.0.3.7)
-      activejob (= 6.0.3.7)
-      activemodel (= 6.0.3.7)
-      activerecord (= 6.0.3.7)
-      activestorage (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-      bundler (>= 1.3.0)
-      railties (= 6.0.3.7)
-      sprockets-rails (>= 2.0.0)
-    railties (6.0.3.7)
-      actionpack (= 6.0.3.7)
-      activesupport (= 6.0.3.7)
-      method_source
-      rake (>= 0.8.7)
-      thor (>= 0.20.3, < 2.0)
-
 GEM
   remote: https://rubygems.org/
   specs:
     ZenTest (4.12.0)
+    actioncable (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailbox (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      activejob (= 6.1.3.2)
+      activerecord (= 6.1.3.2)
+      activestorage (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      mail (>= 2.7.1)
+    actionmailer (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      actionview (= 6.1.3.2)
+      activejob (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (6.1.3.2)
+      actionview (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      rack (~> 2.0, >= 2.0.9)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      activerecord (= 6.1.3.2)
+      activestorage (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      nokogiri (>= 1.8.5)
+    actionview (6.1.3.2)
+      activesupport (= 6.1.3.2)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.1.3.2)
+      activesupport (= 6.1.3.2)
+      globalid (>= 0.3.6)
+    activemodel (6.1.3.2)
+      activesupport (= 6.1.3.2)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
+    activerecord (6.1.3.2)
+      activemodel (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+    activestorage (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      activejob (= 6.1.3.2)
+      activerecord (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      marcel (~> 1.0.0)
+      mini_mime (~> 1.0.2)
+    activesupport (6.1.3.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     amq-protocol (2.3.2)
@@ -255,7 +232,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_magick (4.11.0)
-    mini_mime (1.1.0)
+    mini_mime (1.0.3)
     mini_portile2 (2.5.1)
     minitest (5.14.4)
     minitest-autotest (1.1.1)
@@ -319,6 +296,21 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
+    rails (6.1.3.2)
+      actioncable (= 6.1.3.2)
+      actionmailbox (= 6.1.3.2)
+      actionmailer (= 6.1.3.2)
+      actionpack (= 6.1.3.2)
+      actiontext (= 6.1.3.2)
+      actionview (= 6.1.3.2)
+      activejob (= 6.1.3.2)
+      activemodel (= 6.1.3.2)
+      activerecord (= 6.1.3.2)
+      activestorage (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      bundler (>= 1.15.0)
+      railties (= 6.1.3.2)
+      sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -346,6 +338,12 @@ GEM
       rails (>= 5.0, < 7)
       remotipart (~> 1.3)
       sassc-rails (>= 1.3, < 3)
+    railties (6.1.3.2)
+      actionpack (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+      method_source
+      rake (>= 0.8.7)
+      thor (~> 1.0)
     rainbow (3.0.0)
     rake (13.0.3)
     ransack (2.4.2)
@@ -471,13 +469,12 @@ GEM
       influxdb
     temple (0.8.2)
     thor (1.1.0)
-    thread_safe (0.3.6)
     tilt (2.0.10)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.9)
+    tzinfo (2.0.4)
-      thread_safe (~> 0.1)
+      concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
@@ -552,7 +549,7 @@ DEPENDENCIES
   puma
   pundit
   rack-mini-profiler
-  rails!
+  rails (~> 6.1.0)
   rails-controller-testing
   rails-i18n
   rails-timeago

app/models/internal_user.rb

@@ -2,7 +2,7 @@ class InternalUser < User
 
   authenticates_with_sorcery!
 
-  validates :email, presence: true, uniqueness: true, case_sensitive: false
+  validates :email, presence: true, uniqueness: true
   validates :password, confirmation: true, if: :password_void?, on: :update, presence: true
   validates :role, inclusion: {in: ROLES}
 

bin/rails

@@ -1,9 +1,5 @@
 #!/usr/bin/env ruby
-begin
+load File.expand_path("spring", __dir__)
-  load File.expand_path('../spring', __FILE__)
-rescue LoadError => e
-  raise unless e.message.include?('spring')
-end
 APP_PATH = File.expand_path('../config/application', __dir__)
-require_relative '../config/boot'
+require_relative "../config/boot"
-require 'rails/commands'
+require "rails/commands"

bin/rake

@@ -1,9 +1,5 @@
 #!/usr/bin/env ruby
-begin
+load File.expand_path("spring", __dir__)
-  load File.expand_path('../spring', __FILE__)
+require_relative "../config/boot"
-rescue LoadError => e
+require "rake"
-  raise unless e.message.include?('spring')
-end
-require_relative '../config/boot'
-require 'rake'
 Rake.application.run

bin/setup

@@ -1,5 +1,5 @@
 #!/usr/bin/env ruby
-require 'fileutils'
+require "fileutils"
 
 # path to your application root.
 APP_ROOT = File.expand_path('..', __dir__)
@@ -9,8 +9,8 @@ def system!(*args)
 end
 
 FileUtils.chdir APP_ROOT do
-  # This script is a way to setup or update your development environment automatically.
+  # This script is a way to set up or update your development environment automatically.
-  # This script is idempotent, so that you can run it at anytime and get an expectable outcome.
+  # This script is idempotent, so that you can run it at any time and get an expectable outcome.
   # Add necessary setup steps to this file.
 
   puts '== Installing dependencies =='
@@ -18,7 +18,7 @@ FileUtils.chdir APP_ROOT do
   system('bundle check') || system!('bundle install')
 
   # Install JavaScript dependencies
-  # system('bin/yarn')
+  system! 'bin/yarn'
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')

bin/spring

@@ -1,17 +1,14 @@
 #!/usr/bin/env ruby
+if !defined?(Spring) && [nil, "development", "test"].include?(ENV["RAILS_ENV"])
+  gem "bundler"
+  require "bundler"
 
-# This file loads spring without using Bundler, in order to be fast.
+  # Load Spring without loading other gems in the Gemfile, for speed.
-# It gets overwritten when you run the `spring binstub` command.
+  Bundler.locked_gems&.specs&.find { |spec| spec.name == "spring" }&.tap do |spring|
-
-unless defined?(Spring)
-  require 'rubygems'
-  require 'bundler'
-
-  lockfile = Bundler::LockfileParser.new(Bundler.default_lockfile.read)
-  spring = lockfile.specs.detect { |spec| spec.name == "spring" }
-  if spring
     Gem.use_paths Gem.dir, Bundler.bundle_path.to_s, *Gem.path
-    gem 'spring', spring.version
+    gem "spring", spring.version
-    require 'spring/binstub'
+    require "spring/binstub"
+  rescue Gem::LoadError
+    # Ignore when Spring is not installed.
   end
 end

bin/yarn

@@ -1,9 +1,15 @@
 #!/usr/bin/env ruby
 APP_ROOT = File.expand_path('..', __dir__)
 Dir.chdir(APP_ROOT) do
-  begin
+  yarn = ENV["PATH"].split(File::PATH_SEPARATOR).
-    exec "yarnpkg", *ARGV
+    select { |dir| File.expand_path(dir) != __dir__ }.
-  rescue Errno::ENOENT
+    product(["yarn", "yarn.cmd", "yarn.ps1"]).
+    map { |dir, file| File.expand_path(file, dir) }.
+    find { |file| File.executable?(file) }
+
+  if yarn
+    exec yarn, *ARGV
+  else
     $stderr.puts "Yarn executable was not detected in the system."
     $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
     exit 1

config.ru

@@ -1,7 +1,6 @@
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('../config/environment',  __FILE__)
+require_relative "config/environment"
 
-map CodeOcean::Application.config.relative_url_root || '/' do
+run Rails.application
-  run Rails.application
+Rails.application.load_server
-end

config/application.rb

@@ -11,17 +11,12 @@ require 'telegraf/rails'
 module CodeOcean
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.0
+    config.load_defaults 6.1
 
-    # In Rails 5.2.5, the CSRF token format is accidentally changed to urlsafe-encoded.
+    # Configuration for the application, engines, and railties goes here.
-    # If you upgrade apps from 5.2.5, set the config `urlsafe_csrf_tokens = true`.
+    #
-    # ToDo: Remove after upgrade to Rails 6.1
+    # These settings can be overridden in specific environments using the files
-    Rails.application.config.action_controller.urlsafe_csrf_tokens = true
+    # in config/environments, which are processed later.
-
-    # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration can go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded after loading
-    # the framework and any gems in your application.
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.

config/environments/development.rb

@@ -1,12 +1,14 @@
 # frozen_string_literal: true
 
+require "active_support/core_ext/integer/time"
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
   config.web_console.whitelisted_ips = '192.168.0.0/16'
 
-  # In the development environment your application's code is reloaded on
+  # In the development environment your application's code is reloaded any time
-  # every request. This slows down response time but is perfect for development
+  # it changes. This slows down response time but is perfect for development
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
@@ -43,6 +45,12 @@ Rails.application.configure do
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
 
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
@@ -57,9 +65,12 @@ Rails.application.configure do
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
-  # Raises error for missing translations
+  # Raises error for missing translations.
   config.action_view.raise_on_missing_translations = true
 
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
+
   # Adds additional error checking when serving assets at runtime.
   # Checks for improperly declared sprockets dependencies.
   # Raises helpful error messages.
@@ -72,4 +83,7 @@ Rails.application.configure do
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
   # If the evented file watcher doesn't work (in Vagrant), use another one:
   # config.file_watcher = ActiveSupport::FileUpdateChecker
+
+  # Uncomment if you wish to allow Action Cable access from any origin.
+  # config.action_cable.disable_request_forgery_protection = true
 end

config/environments/production.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "active_support/core_ext/integer/time"
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -33,7 +35,7 @@ Rails.application.configure do
   config.assets.compile = false
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.action_controller.asset_host = 'http://assets.example.com'
+  # config.asset_host = 'http://assets.example.com'
 
   # Specifies the header that your server uses for sending files.
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
@@ -50,9 +52,9 @@ Rails.application.configure do
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
-  # Use the lowest log level to ensure availability of diagnostic information
+  # Include generic and useful information about system operation, but avoid logging too much
-  # when problems arise.
+  # information to avoid inadvertent exposure of personally identifiable information (PII).
-  config.log_level = :error
+  config.log_level = :info
 
   # Prepend all log lines with the following tags.
   # config.log_tags = [ :subdomain, :uuid, :request_id ]
@@ -77,6 +79,12 @@ Rails.application.configure do
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
+  # Log disallowed deprecations.
+  config.active_support.disallowed_deprecation = :log
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 

config/environments/test.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "active_support/core_ext/integer/time"
+
 # The test environment is used exclusively to run your application's
 # test suite. You never need to work with it otherwise. Remember that
 # your test database is "scratch space" for the test suite and is wiped
@@ -9,6 +11,7 @@ Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
   config.cache_classes = false
+  config.action_view.cache_template_loading = true
 
   # Do not eager load code on boot. This avoids loading your whole application
   # just for the purpose of running a single test. If you are using a tool that
@@ -49,6 +52,15 @@ Rails.application.configure do
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Raises error for missing translations.
-  # config.action_view.raise_on_missing_translations = true
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
 end

config/initializers/backtrace_silencers.rb

@@ -1,7 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
-# Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+# Rails.backtrace_cleaner.add_silencer { |line| /my_noisy_library/.match?(line) }
 
-# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
+# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code
-# Rails.backtrace_cleaner.remove_silencers!
+# by setting BACKTRACE=1 before calling your invocation, like "BACKTRACE=1 ./bin/rails runner 'MyClass.perform'".
+Rails.backtrace_cleaner.remove_silencers! if ENV["BACKTRACE"]

config/initializers/filter_parameter_logging.rb

@@ -1,4 +1,6 @@
 # Be sure to restart your server when you modify this file.
 
 # Configure sensitive parameters which will be filtered from the log file.
-Rails.application.config.filter_parameters += [:password]
+Rails.application.config.filter_parameters += [
+  :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
+]

config/initializers/permissions_policy.rb

@@ -0,0 +1,11 @@
+# Define an application-wide HTTP permissions policy. For further
+# information see https://developers.google.com/web/updates/2018/06/feature-policy
+#
+# Rails.application.config.permissions_policy do |f|
+#   f.camera      :none
+#   f.gyroscope   :none
+#   f.microphone  :none
+#   f.usb         :none
+#   f.fullscreen  :self
+#   f.payment     :self, "https://secure.example.com"
+# end

config/puma.rb

@@ -8,6 +8,11 @@ max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
 min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
 threads min_threads_count, max_threads_count
 
+# Specifies the `worker_timeout` threshold that Puma will use to wait before
+# terminating a worker in development environments.
+#
+worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
+
 # Specifies the `port` that Puma will listen on to receive requests; default is 7000.
 #
 port        ENV.fetch("PORT") { 7000 }

db/migrate/20210512133611_add_service_name_to_active_storage_blobs.active_storage.rb

@@ -0,0 +1,22 @@
+# This migration comes from active_storage (originally 20190112182829)
+class AddServiceNameToActiveStorageBlobs < ActiveRecord::Migration[6.0]
+  def up
+    if table_exists?(:active_storage_blobs)
+      unless column_exists?(:active_storage_blobs, :service_name)
+        add_column :active_storage_blobs, :service_name, :string
+
+        if configured_service = ActiveStorage::Blob.service.name
+          ActiveStorage::Blob.unscoped.update_all(service_name: configured_service)
+        end
+
+        change_column :active_storage_blobs, :service_name, :string, null: false
+      end
+    end
+  end
+
+  def down
+    if table_exists?(:active_storage_blobs)
+      remove_column :active_storage_blobs, :service_name
+    end
+  end
+end

db/migrate/20210512133612_create_active_storage_variant_records.active_storage.rb

@@ -0,0 +1,14 @@
+# This migration comes from active_storage (originally 20191206030411)
+class CreateActiveStorageVariantRecords < ActiveRecord::Migration[6.0]
+  def change
+    if table_exists?(:active_storage_blobs)
+      create_table :active_storage_variant_records do |t|
+        t.belongs_to :blob, null: false, index: false
+        t.string :variation_digest, null: false
+
+        t.index %i[ blob_id variation_digest ], name: "index_active_storage_variant_records_uniqueness", unique: true
+        t.foreign_key :active_storage_blobs, column: :blob_id
+      end
+    end
+  end
+end

db/schema.rb

@@ -2,15 +2,15 @@
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
 #
-# This file is the source Rails uses to define your schema when running `rails
+# This file is the source Rails uses to define your schema when running `bin/rails
-# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
 # be faster and is potentially less error prone than running all of your
 # migrations from scratch. Old migrations may fail to apply correctly if those
 # migrations use external dependencies or application code.
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_05_10_174452) do
+ActiveRecord::Schema.define(version: 2021_05_12_133612) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"