diff options
Diffstat (limited to 'activerecord/lib/active_record/core.rb')
| -rw-r--r-- | activerecord/lib/active_record/core.rb | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 96072114a8..1ad910c4bc 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -94,6 +94,15 @@ module ActiveRecord mattr_accessor :dump_schemas, instance_writer: false self.dump_schemas = :schema_search_path + ## + # :singleton-method: + # Specify a threshold for the size of query result sets. If the number of + # records in the set exceeds the threshold, a warning is logged. This can + # be used to identify queries which load thousands of records and + # potentially cause memory bloat. + mattr_accessor :warn_on_records_fetched_greater_than, instance_writer: false + self.warn_on_records_fetched_greater_than = nil + mattr_accessor :maintain_test_schema, instance_accessor: false mattr_accessor :belongs_to_required_by_default, instance_accessor: false @@ -296,15 +305,19 @@ module ActiveRecord run_callbacks :initialize end - # Initialize an empty model object from +coder+. +coder+ must contain - # the attributes necessary for initializing an empty model object. For - # example: + # Initialize an empty model object from +coder+. +coder+ should be + # the result of previously encoding an Active Record model, using + # `encode_with` # # class Post < ActiveRecord::Base # end # + # old_post = Post.new(title: "hello world") + # coder = {} + # old_post.encode_with(coder) + # # post = Post.allocate - # post.init_with('attributes' => { 'title' => 'hello world' }) + # post.init_with(coder) # post.title # => 'hello world' def init_with(coder) coder = LegacyYamlAdapter.convert(self.class, coder) |