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-rw-r--r--activerecord/lib/active_record/railtie.rb54
1 files changed, 51 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb
index 73518ca144..4538ed6a5f 100644
--- a/activerecord/lib/active_record/railtie.rb
+++ b/activerecord/lib/active_record/railtie.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "active_record"
require "rails"
require "active_model/railtie"
@@ -26,6 +28,9 @@ module ActiveRecord
config.active_record.use_schema_cache_dump = true
config.active_record.maintain_test_schema = true
+ config.active_record.sqlite3 = ActiveSupport::OrderedOptions.new
+ config.active_record.sqlite3.represent_boolean_as_integer = nil
+
config.eager_load_namespaces << ActiveRecord
rake_tasks do
@@ -85,12 +90,15 @@ module ActiveRecord
filename = File.join(app.config.paths["db"].first, "schema_cache.yml")
if File.file?(filename)
+ current_version = ActiveRecord::Migrator.current_version
+ next if current_version.nil?
+
cache = YAML.load(File.read(filename))
- if cache.version == ActiveRecord::Migrator.current_version
+ if cache.version == current_version
connection.schema_cache = cache
connection_pool.schema_cache = cache.dup
else
- warn "Ignoring db/schema_cache.yml because it has expired. The current schema version is #{ActiveRecord::Migrator.current_version}, but the one in the cache is #{cache.version}."
+ warn "Ignoring db/schema_cache.yml because it has expired. The current schema version is #{current_version}, but the one in the cache is #{cache.version}."
end
end
end
@@ -108,7 +116,9 @@ module ActiveRecord
initializer "active_record.set_configs" do |app|
ActiveSupport.on_load(:active_record) do
- app.config.active_record.each do |k, v|
+ configs = app.config.active_record.dup
+ configs.delete(:sqlite3)
+ configs.each do |k, v|
send "#{k}=", v
end
end
@@ -170,7 +180,45 @@ end_warning
initializer "active_record.clear_active_connections" do
config.after_initialize do
ActiveSupport.on_load(:active_record) do
+ # Ideally the application doesn't connect to the database during boot,
+ # but sometimes it does. In case it did, we want to empty out the
+ # connection pools so that a non-database-using process (e.g. a master
+ # process in a forking server model) doesn't retain a needless
+ # connection. If it was needed, the incremental cost of reestablishing
+ # this connection is trivial: the rest of the pool would need to be
+ # populated anyway.
+
clear_active_connections!
+ flush_idle_connections!
+ end
+ end
+ end
+
+ initializer "active_record.check_represent_sqlite3_boolean_as_integer" do
+ config.after_initialize do
+ ActiveSupport.on_load(:active_record_sqlite3adapter) do
+ represent_boolean_as_integer = Rails.application.config.active_record.sqlite3.delete(:represent_boolean_as_integer)
+ unless represent_boolean_as_integer.nil?
+ ActiveRecord::ConnectionAdapters::SQLite3Adapter.represent_boolean_as_integer = represent_boolean_as_integer
+ end
+
+ unless ActiveRecord::ConnectionAdapters::SQLite3Adapter.represent_boolean_as_integer
+ ActiveSupport::Deprecation.warn <<-MSG
+Leaving `ActiveRecord::ConnectionAdapters::SQLite3Adapter.represent_boolean_as_integer`
+set to false is deprecated. SQLite databases have used 't' and 'f' to serialize
+boolean values and must have old data converted to 1 and 0 (its native boolean
+serialization) before setting this flag to true. Conversion can be accomplished
+by setting up a rake task which runs
+
+ ExampleModel.where("boolean_column = 't'").update_all(boolean_column: 1)
+ ExampleModel.where("boolean_column = 'f'").update_all(boolean_column: 0)
+
+for all models and all boolean columns, after which the flag must be set to
+true by adding the following to your application.rb file:
+
+ Rails.application.config.active_record.sqlite3.represent_boolean_as_integer = true
+MSG
+ end
end
end
end