├── Rakefile
├── Gemfile
├── lib
    ├── query_trail.rb
    └── query_trail
    │   └── log_subscriber.rb
├── .gitignore
├── README.md
├── query_trail.gemspec
└── LICENSE.txt


/Rakefile:
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1 | require 'bundler/gem_tasks'
2 | 


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/Gemfile:
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1 | source 'https://rubygems.org'
2 | 
3 | gemspec
4 | 


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/lib/query_trail.rb:
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1 | ActiveSupport.on_load :active_record do
2 |   if Object.const_defined?('Rails::Server')
3 |     require 'query_trail/log_subscriber'
4 |     QueryTrail::LogSubscriber.attach_to(:active_record)
5 |   end
6 | end
7 | 


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/.gitignore:
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 1 | *.gem
 2 | *.rbc
 3 | .bundle
 4 | .config
 5 | .yardoc
 6 | Gemfile.lock
 7 | InstalledFiles
 8 | _yardoc
 9 | coverage
10 | doc/
11 | lib/bundler/man
12 | pkg
13 | rdoc
14 | spec/reports
15 | test/tmp
16 | test/version_tmp
17 | tmp
18 | *.bundle
19 | *.so
20 | *.o
21 | *.a
22 | mkmf.log
23 | 


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/README.md:
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 1 | ## QueryTrail for Rails >= 4.0
 2 | 
 3 | Shows a backtrace of your queries:
 4 | 
 5 | ```
 6 | User Load (0.4ms)  SELECT  `users`.* FROM `users`  WHERE `users`.`id` = 1 LIMIT 1
 7 | Query Trail: config/initializers/warden.rb:11:in `block in <top (required)>'
 8 |              config/initializers/warden.rb:15:in `block in <top (required)>'
 9 | Doc Load (18.2ms)  SELECT `docs`.* FROM `docs`  WHERE `docs`.`approved` = 1
10 | Query Trail: app/views/main/_docs.html.erb:2
11 |              app/helpers/docs_helper.rb:3:in `render_main_block'
12 |              app/views/main/index.html.erb:13
13 |              app/views/main/index.html.erb:9
14 | ```
15 | 
16 | ## Installation
17 | 
18 | ```ruby
19 | gem 'query_trail', group: :development
20 | ```
21 | 


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/query_trail.gemspec:
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 1 | Gem::Specification.new do |spec|
 2 |   spec.name          = 'query_trail'
 3 |   spec.version       = '1.0'
 4 |   spec.authors       = ['Dmitry Vorotilin']
 5 |   spec.email         = ['d.vorotilin@gmail.com']
 6 |   spec.summary       = "Shows the trace of your queries when they're fired"
 7 |   spec.homepage      = 'https://github.com/route/query_trail'
 8 |   spec.license       = 'MIT'
 9 | 
10 |   spec.files         = `git ls-files -z`.split("\x0")
11 |   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
12 |   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
13 |   spec.require_paths = ['lib']
14 | 
15 |   spec.add_runtime_dependency 'rails', '>= 4.0'
16 | 
17 |   spec.add_development_dependency 'bundler', '~> 1.6'
18 |   spec.add_development_dependency 'rake'
19 | end
20 | 


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/lib/query_trail/log_subscriber.rb:
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 1 | module QueryTrail
 2 |   class LogSubscriber < ActiveSupport::LogSubscriber
 3 |     HEADER = "  \e[1m\e[34mQuery Trail:\e[0m "
 4 |     IGNORE_PAYLOAD_NAMES = ActiveRecord::LogSubscriber::IGNORE_PAYLOAD_NAMES
 5 | 
 6 |     def sql(event)
 7 |       return unless logger.debug?
 8 |       payload = event.payload
 9 |       return if IGNORE_PAYLOAD_NAMES.include?(payload[:name])
10 | 
11 |       if backtrace = backtrace_cleaner.clean(caller).presence
12 |         logger.debug HEADER + backtrace.shift
13 |         logger.debug backtrace.map { |line| ' ' * (HEADER.size - 13) + line }.join("\n")
14 |       end
15 |     end
16 | 
17 |     private
18 | 
19 |     def logger
20 |       ActiveRecord::Base.logger
21 |     end
22 | 
23 |     def backtrace_cleaner
24 |       @backtrace_cleaner ||= begin
25 |         backtrace_cleaner = Rails::BacktraceCleaner.new
26 |         backtrace_cleaner.add_filter { |line| line.sub(/(app\/views.*:\d+):in.*/, '\1') }
27 |         backtrace_cleaner
28 |       end
29 |     end
30 |   end
31 | end
32 | 


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/LICENSE.txt:
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 1 | Copyright (c) 2014 Dmitry Vorotilin
 2 | 
 3 | MIT License
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining
 6 | a copy of this software and associated documentation files (the
 7 | "Software"), to deal in the Software without restriction, including
 8 | without limitation the rights to use, copy, modify, merge, publish,
 9 | distribute, sublicense, and/or sell copies of the Software, and to
10 | permit persons to whom the Software is furnished to do so, subject to
11 | the following conditions:
12 | 
13 | The above copyright notice and this permission notice shall be
14 | included in all copies or substantial portions of the Software.
15 | 
16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 | 


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