active_record

config/initializers/instrumentalizing.rb

@@ -8,8 +8,8 @@ return unless Rails.application.server?
 def build_instrumentation_config
   {
     action_controller: true,
-    action_view: Live::Constants::ACTION_VIEW
-    # active_record: Live::Constants::ACTIVE_RECORD
+    action_view: Live::Constants::ACTION_VIEW,
+    active_record: Live::Constants::ACTIVE_RECORD
   }.map do |key, value|
     key if value
   end.compact
@@ -27,6 +27,9 @@ Rails.configuration.after_initialize do
 end
 
 Rails.autoloaders.main.on_load('ApplicationController') do
-  Rails.logger.debug 'Zeitwerk RELOAD!'
+  Rails.logger.info ' ', dimensions: Semantic::FancyDimensions.new(rails: '╔═╗', before: 1)
+  Rails.logger.fatal 'Zeitwerk RELOAD!', dimensions: Semantic::FancyDimensions.new(rails: '╠█╣')
+  Rails.logger.info ' ', dimensions: Semantic::FancyDimensions.new(rails: '╚═╝')
+
   Semantic::Instrumentalizer.activate(*build_instrumentation_config)
 end

lib/semantic/subscribers/action_view.rb

@@ -6,8 +6,6 @@ module Semantic
 
       REGEX_BASEDIR = %r{^#{Rails.root}/(.*)}
 
-      attr_reader :logger
-
       def render_partial(event)
         identifier = pathname(event.payload[:identifier])
         # logger.debug("Rendered partial #{identifier}", event.payload[:locals]) if identifier

lib/semantic/subscribers/active_record.rb

@@ -0,0 +1,28 @@
+module Semantic
+  module Subscribers
+    # LogSubscriber for event_group :active_record
+    class ActiveRecord < LogSubscriber
+      include AnsiColors
+
+      def sql(event)
+        name = event.payload[:name]
+        return if name == 'SCHEMA'
+
+        sql = event.payload[:sql]
+        cached = event.payload[:cached]
+        row_count = event.payload[:row_count]
+        logger.debug("#{name}: #{sql} cached=#{cached} count=#{row_count}")
+      end
+
+      def instantiation(event)
+        class_name = event.payload[:class_name]
+        record_count = event.payload[:record_count]
+        logger.debug("instantiate #{class_name} #{record_count} times")
+      end
+
+      def strict_loading_violation(event) = any_hook event
+      def start_transaction(event) = any_hook event
+      def transaction(event) = any_hook event
+    end
+  end
+end