1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
require "active_record"
require "rails"
require "active_model/railtie"
# For now, action_controller must always be present with
# Rails, so let's make sure that it gets required before
# here. This is needed for correctly setting up the middleware.
# In the future, this might become an optional require.
require "action_controller/railtie"
module ActiveRecord
# = Active Record Railtie
class Railtie < Rails::Railtie # :nodoc:
config.active_record = ActiveSupport::OrderedOptions.new
config.app_generators.orm :active_record, :migration => true,
:timestamps => true
config.action_dispatch.rescue_responses.merge!(
'ActiveRecord::RecordNotFound' => :not_found,
'ActiveRecord::StaleObjectError' => :conflict,
'ActiveRecord::RecordInvalid' => :unprocessable_entity,
'ActiveRecord::RecordNotSaved' => :unprocessable_entity
)
config.active_record.use_schema_cache_dump = true
config.active_record.maintain_test_schema = true
config.eager_load_namespaces << ActiveRecord
rake_tasks do
namespace :db do
task :load_config do
ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration
if defined?(ENGINE_ROOT) && engine = Rails::Engine.find(ENGINE_ROOT)
if engine.paths['db/migrate'].existent
ActiveRecord::Tasks::DatabaseTasks.migrations_paths += engine.paths['db/migrate'].to_a
end
end
end
end
load "active_record/railties/databases.rake"
end
# When loading console, force ActiveRecord::Base to be loaded
# to avoid cross references when loading a constant for the
# first time. Also, make it output to STDERR.
console do |app|
require "active_record/railties/console_sandbox" if app.sandbox?
require "active_record/base"
unless ActiveSupport::Logger.logger_outputs_to?(Rails.logger, STDERR, STDOUT)
console = ActiveSupport::Logger.new(STDERR)
Rails.logger.extend ActiveSupport::Logger.broadcast console
end
end
runner do
require "active_record/base"
end
initializer "active_record.initialize_timezone" do
ActiveSupport.on_load(:active_record) do
self.time_zone_aware_attributes = true
self.default_timezone = :utc
end
end
initializer "active_record.logger" do
ActiveSupport.on_load(:active_record) { self.logger ||= ::Rails.logger }
end
initializer "active_record.migration_error" do
if config.active_record.delete(:migration_error) == :page_load
config.app_middleware.insert_after ::ActionDispatch::Callbacks,
ActiveRecord::Migration::CheckPending
end
end
initializer "active_record.check_schema_cache_dump" do
if config.active_record.delete(:use_schema_cache_dump)
config.after_initialize do |app|
ActiveSupport.on_load(:active_record) do
filename = File.join(app.config.paths["db"].first, "schema_cache.dump")
if File.file?(filename)
cache = Marshal.load File.binread filename
if cache.version == ActiveRecord::Migrator.current_version
self.connection.schema_cache = cache
self.connection_pool.schema_cache = cache.dup
else
warn "Ignoring db/schema_cache.dump because it has expired. The current schema version is #{ActiveRecord::Migrator.current_version}, but the one in the cache is #{cache.version}."
end
end
end
end
end
end
initializer "active_record.warn_on_records_fetched_greater_than" do
if config.active_record.warn_on_records_fetched_greater_than
ActiveSupport.on_load(:active_record) do
require 'active_record/relation/record_fetch_warning'
end
end
end
initializer "active_record.set_configs" do |app|
ActiveSupport.on_load(:active_record) do
app.config.active_record.each do |k,v|
send "#{k}=", v
end
end
end
# This sets the database configuration from Configuration#database_configuration
# and then establishes the connection.
initializer "active_record.initialize_database" do
ActiveSupport.on_load(:active_record) do
self.configurations = Rails.application.config.database_configuration
begin
establish_connection
rescue ActiveRecord::NoDatabaseError
warn <<-end_warning
Oops - You have a database configured, but it doesn't exist yet!
Here's how to get started:
1. Configure your database in config/database.yml.
2. Run `bin/rails db:create` to create the database.
3. Run `bin/rails db:setup` to load your database schema.
end_warning
raise
end
end
end
# Expose database runtime to controller for logging.
initializer "active_record.log_runtime" do
require "active_record/railties/controller_runtime"
ActiveSupport.on_load(:action_controller) do
include ActiveRecord::Railties::ControllerRuntime
end
end
initializer "active_record.set_reloader_hooks" do
ActiveSupport.on_load(:active_record) do
ActiveSupport::Reloader.before_class_unload do
if ActiveRecord::Base.connected?
ActiveRecord::Base.clear_cache!
ActiveRecord::Base.clear_reloadable_connections!
end
end
end
end
initializer "active_record.set_executor_hooks" do
ActiveSupport.on_load(:active_record) do
ActiveRecord::QueryCache.install_executor_hooks
end
end
initializer "active_record.add_watchable_files" do |app|
path = app.paths["db"].first
config.watchable_files.concat ["#{path}/schema.rb", "#{path}/structure.sql"]
end
end
end
|
