| Commit message (Collapse) | Author | Age | Files | Lines |
|---|
| | |
|
| |
|
|
|
| |
Some places we can't remove because Ruby still don't have a method
equivalent to strip_heredoc to be called in an already existent string.
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Benchmark Script:
```
require 'active_record'
require 'benchmark/ips'
ActiveRecord::Base.establish_connection(ENV.fetch('DATABASE_URL'))
ActiveRecord::Migration.verbose = false
ActiveRecord::Schema.define do
create_table :users, force: true do |t|
t.string :name, :email
t.integer :topic_id
t.timestamps null: false
end
create_table :topics, force: true do |t|
t.string :title
t.timestamps null: false
end
end
attributes = {
name: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
email: 'foobar@email.com'
}
class Topic < ActiveRecord::Base
has_many :users
end
class User < ActiveRecord::Base
belongs_to :topic
end
100.times do
User.create!(attributes)
end
users = User.first(50)
Topic.create!(title: 'This is a topic', users: users)
Benchmark.ips do |x|
x.config(time: 10, warmup: 5)
x.report("preload") do
User.includes(:topic).all.to_a
end
end
```
Before:
```
Calculating -------------------------------------
preload 40.000 i/100ms
-------------------------------------------------
preload 407.962 (± 1.5%) i/s - 4.080k
```
After:
```
alculating -------------------------------------
preload 43.000 i/100ms
-------------------------------------------------
preload 427.567 (± 1.6%) i/s - 4.300k
```
|
| | |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Using a similar approach to 08576b94ad4f19dfc368619d7751e211d23dcad8,
this change adds a new internal `_write_attribute` method which bypasses
the code that checks for attribute aliases and custom primary keys.
We can use this method instead of `write_attribute` when we know that we
have the name of the actual column to be updated and not an alias.
This makes writing an attribute with `attribute=` about 18% faster.
Benchmark:
```
begin
require "bundler/inline"
rescue LoadError => e
$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
raise e
end
gemfile(true) do
source "https://rubygems.org"
gem "rails", github: "rails/rails"
gem "arel", github: "rails/arel"
gem "sqlite3"
gem "benchmark-ips"
end
require "active_record"
ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
ActiveRecord::Schema.define do
create_table :posts, force: true do |t|
end
end
class Post < ActiveRecord::Base
end
post = Post.new(id: 1)
Benchmark.ips do |x|
x.report("attribute=") { post.id = post.id + 1 }
end
```
Before:
Warming up --------------------------------------
attribute= 25.889k i/100ms
Calculating -------------------------------------
attribute= 290.946k (± 3.1%) i/s - 1.476M in 5.077036s
After:
Warming up --------------------------------------
attribute= 30.056k i/100ms
Calculating -------------------------------------
attribute= 345.088k (± 4.8%) i/s - 1.743M in 5.064264s
|
| |
|
|
|
| |
`sync_with_transaction_state` in `to_key` is unneeded because `id` also
does.
|
| |
|
|
|
|
|
|
|
| |
Currently the methods of `AttributeMethods::PrimaryKey` are overwritten
by `define_attribute_methods`. It will be broken if a table that
customized primary key has non primary key id column.
It should not be overwritten if a table has any primary key.
Fixes #29350.
|
| |
|
|
| |
Actually, private methods cannot be called with `self.`, so it's not just redundant, it's a bad habit in Ruby
|
| |
|
|
|
|
| |
Some methods were added to public API in
5b14129d8d4ad302b4e11df6bd5c7891b75f393c and they should be not part of
the public API.
|
| | |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
callbacks
We pretty frequently get bug reports that "dirty is broken inside of
after callbacks". Intuitively they are correct. You'd expect
`Model.after_save { puts changed? }; model.save` to do the same thing as
`model.save; puts model.changed?`, but it does not.
However, changing this goes much farther than just making the behavior
more intuitive. There are a _ton_ of places inside of AR that can be
drastically simplified with this change. Specifically, autosave
associations, timestamps, touch, counter cache, and just about anything
else in AR that works with callbacks have code to try to avoid "double
save" bugs which we will be able to flat out remove with this change.
We introduce two new sets of methods, both with names that are meant to
be more explicit than dirty. The first set maintains the old behavior,
and their names are meant to center that they are about changes that
occurred during the save that just happened. They are equivalent to
`previous_changes` when called outside of after callbacks, or once the
deprecation cycle moves.
The second set is the new behavior. Their names imply that they are
talking about changes from the database representation. The fact that
this is what we really care about became clear when looking at
`BelongsTo.touch_record` when tests were failing. I'm unsure that this
set of methods should be in the public API. Outside of after callbacks,
they are equivalent to the existing methods on dirty.
Dirty itself is not deprecated, nor are the methods inside of it. They
will only emit the warning when called inside of after callbacks. The
scope of this breakage is pretty large, but the migration path is
simple. Given how much this can improve our codebase, and considering
that it makes our API more intuitive, I think it's worth doing.
|
| |
|
|
|
|
| |
All indentation was normalized by rubocop auto-correct at 80e66cc4d90bf8c15d1a5f6e3152e90147f00772.
But heredocs was still kept absolute position. This commit aligns
heredocs indentation for consistency.
|
| | |
|
| |
|
|
|
| |
The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.
|
| |
|
|
|
|
|
|
|
|
|
| |
Actually schema dumper/creation supports composite primary key (#21614).
Therefore it should not show the warning about composite primary key in
connection adapter.
This change moves the warning to `AttributeMethods::PrimaryKey` and
suppress the warning for habtm join table.
Fixes #25388.
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
The focus of this change is to make the API more accessible.
References to method and classes should be linked to make it easy to
navigate around.
This patch makes exzessiv use of `rdoc-ref:` to provide more readable
docs. This makes it possible to document `ActiveRecord::Base#save` even
though the method is within a separate module
`ActiveRecord::Persistence`. The goal here is to bring the API closer to
the actual code that you would write.
This commit only deals with Active Record. The other gems will be
updated accordingly but in different commits. The pass through Active
Record is not completely finished yet. A follow up commit will change
the spots I haven't yet had the time to update.
/cc @fxn
|
| |
|
|
|
|
|
| |
We added a comparison to "id", and call to `self.class.primary_key` a
*lot*. We also have performance hits from `&block` all over the place.
We skip the check in a new method, in order to avoid breaking the
behavior of `read_attribute`
|
| |
|
|
|
|
|
|
|
|
| |
We don't know which attributes will or won't be used, and we don't want
to create massive bottlenecks at instantiation. Rather than doing *any*
iteration over types and values, we can lazily instantiate the object.
The lazy attribute hash should not fully implement hash, or subclass
hash at any point in the future. It is not meant to be a replacement,
but instead implement its own interface which happens to overlap.
|
| |
|
|
|
|
|
|
|
| |
Currently when we call id_was and we have a custom primary key name
Active Record will return the current value of the primary key. This
make impossible to correctly do an update operation if you change the
id.
Fixes #16413
|
| |
|
|
|
|
| |
Making this change revealed several subtle bugs related to models with
no primary key, and anonymous classes. These have been fixed as well,
with regression tests added.
|
| | |
|
| |
|
|
|
|
|
|
|
|
|
| |
We'd spend a lot of time calling `hash` and `eql?` on the join model,
which has no primary key. Calling `id` with no primary key is a really
slow way to get back `nil`, so we can improve the performance there.
However, even with the escape clause, we *still* weren't getting high
enough performance, as we were checking the primary key too much. `hash`
will always return `nil.hash` for records with no id, and `==` will
always return `false`. We can optimize those cases in the HABTM join
model.
|
| | |
|
| |
|
|
| |
with new transaction state. If AR object has a callback, the callback will be performed immediately (non-lazily) so the transaction still has to keep records with callbacks.
|
| | |
|
| | |
|
| | |
|
| | |
|
| | |
|
| | |
|
| | |
|
| | |
|
| |
|
| |
People need to make sure they are generated internally or added to attr_accessible so they can be mass assigned (for instance, from an import job).
|
| | |
|
| |
|
|
| |
mutations bust the cache.
|
| | |
|
| |
|
|
| |
Allows two models to use the same table but have different primary keys.
|
| | |
|
| | |
|
| | |
|
| |
|
|
|
|
|
|
| |
This reverts commit f6b5046305d43c5f64bcb6fed0e44f7bca99a603.
Fear not, the roflscale will return when I have a bit more time and
figure out a better way to do it. (In particular, a way that doesn't
break the build.)
|
| |
|
|
|
| |
Don't prefix the name with attribute_. Avoids a string allocation on
read_attribute, which is a bit faster.
|
| |
|
|
|
|
|
|
| |
Also make it actually work.
It slows down all read_attribute accesses to map 'id' to whatever the PK
actually is, inside read_attribute. So instead make sure the necessary
methods are defined and that they redirect wherever they need to go.
|
| |
|
|
| |
This makes me happy!
|
| | |
|
| | |
|
| | |
|
| | |
|
| |
|
|
| |
This reverts commit ee2be435b1e5c0e94a4ee93a1a310e0471a77d07.
|
| |
|
|
|
| |
If we don't have a primary key when we ask for it, it's better to fail
fast. Fixes GH #2307.
|
