| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix serialized field returning serialized data after update_column
Conflicts:
activerecord/CHANGELOG.md
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The `:timestamp` type for columns is unused. All database adapters treat
them as the same database type. All code in `ActiveRecord` which changes
its behavior based on the column's type acts the same in both cases.
However, when the type is passed to code that checks for the `:datetime`
type, but not `:timestamp` (such as XML serialization), the result is
unexpected behavior.
Existing schema definitions will continue to work, and the `timestamp`
type is transparently aliased to `datetime`.
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The second argument to serialize has double meaning:
* `class_name` of the Type to serialize
* `coder` to use then serializing.
The new variable name and the docs better describe that behavior.
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This is to ensure that they are not accidentally called by the app code.
They are renamed to _create_record and _update_record respectively.
Closes #11645
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after loading it from YAML - fixes #13861
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Better ActiveRecord hierarchy for Dirty and others
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Move serialization dirty into serialization.rb
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This will make easier to hook on this feature to customize the behavior
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See #8328
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This is necessary because as of 5ac2341 `hstore` columns are always stored
as `Hash` with `String` keys. `ActiveRecord::Store` expected the attribute to
be an instance of `HashWithIndifferentAccess`, which led to the bug.
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Make AM::Dirty less dirty to plugin into AR or other library
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Perf: avoid dupes add fallback logic for coders
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Removed deprecated methods `partial_updates`, `partial_updates?` and
`partial_updates=`
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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.
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see: https://github.com/blog/1406-namespaced-gists
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With the addition of String#in_time_zone and Date#in_time_zone
we can simplify the type casting code by checking if the value
has an `in_time_zone` method.
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Previously, when `time_zone_aware_attributes` were enabled, after
changing a datetime or timestamp attribute and then changing it back
to the original value, `changed_attributes` still tracked the
attribute as changed. This caused `[attribute]_changed?` and
`changed?` methods to return true incorrectly.
Example:
in_time_zone 'Paris' do
order = Order.new
original_time = Time.local(2012, 10, 10)
order.shipped_at = original_time
order.save
order.changed? # => false
# changing value
order.shipped_at = Time.local(2013, 1, 1)
order.changed? # => true
# reverting to original value
order.shipped_at = original_time
order.changed? # => false, used to return true
end
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This reverts commit e9d2ad395ec2ef929d74752f3d71c80674044fbe.
Closes #8460
Conflicts:
activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
activerecord/test/cases/dirty_test.rb
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* dependencies/autoload
* concern
* deprecation
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Fix #8575
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Setting a nil datetime attribute to a blank string should not cause the
attribute to be dirty.
Fix #8310
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This improves memory and performance without having to use symbols which
present DoS problems. Thanks @headius and @tenderlove for the
suggestion.
This was originally committed in
f1765019ce9b6292f2264b4601dad5daaffe3a89, and then reverted in
d3494903719682abc0948bef290af0d3d7b5a440 due to it causing problems in a
real application. This second attempt should solve that.
Benchmark
---------
require 'active_record'
require 'benchmark/ips'
ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
class Post < ActiveRecord::Base
connection.create_table :posts, force: true do |t|
t.string :name
end
end
post = Post.create name: 'omg'
Benchmark.ips do |r|
r.report('Post.new') { Post.new name: 'omg' }
r.report('post.name') { post.name }
r.report('post.name=') { post.name = 'omg' }
r.report('Post.find(1).name') { Post.find(1).name }
end
Before
------
Calculating -------------------------------------
Post.new 1419 i/100ms
post.name 7538 i/100ms
post.name= 3024 i/100ms
Post.find(1).name 243 i/100ms
-------------------------------------------------
Post.new 20637.6 (±12.7%) i/s - 102168 in 5.039578s
post.name 1167897.7 (±18.2%) i/s - 5186144 in 4.983077s
post.name= 64305.6 (±9.6%) i/s - 317520 in 4.998720s
Post.find(1).name 2678.8 (±10.8%) i/s - 13365 in 5.051265s
After
-----
Calculating -------------------------------------
Post.new 1431 i/100ms
post.name 7790 i/100ms
post.name= 3181 i/100ms
Post.find(1).name 245 i/100ms
-------------------------------------------------
Post.new 21308.8 (±12.2%) i/s - 105894 in 5.053879s
post.name 1534103.8 (±2.1%) i/s - 7634200 in 4.979405s
post.name= 67441.0 (±7.5%) i/s - 337186 in 5.037871s
Post.find(1).name 2681.9 (±10.6%) i/s - 13475 in 5.084511s
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We should not need any `serialized_attributes` checks outside `ActiveRecord::AttributeMethods::Serialization` module.
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