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By making the Rails minitest behave like a standard minitest plugin
we're much more likely to not break when people use other minitest
plugins. Like minitest-focus and pride.
To do this, we need to behave like minitest: require files up front
and then perform the plugin behavior via the at_exit hook.
This also saves us a fair bit of wrangling with test file loading.
Finally, since the environment and warnings options have to be applied
as early as possible, and since minitest loads plugins at_exit, they
have to be moved to the test command.
* Don't expect the root method.
It's likely this worked because we eagerly loaded the Rails minitest plugin
and that somehow defined a root method on `Rails`.
* Assign a backtrace to failed exceptions.
Otherwise Minitest pukes when attempting to filter the backtrace (which
Rails' backtrace cleaner then removes).
Means the exception message test has to be revised too.
This is likely caused by the rails minitest plugin now being loaded for
these tests and assigning a default backtrace cleaner.
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Prepare AP and AR to be frozen string friendly
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Don't allow uuids with orphan curly braces
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The uuid validation regex was allowing uuids to have a single leading
curly brace or single trailing curly brace. Saving with such a uuid
would cause Postgres to generate an exception even though the record
seemed valid. With this change, the regex requires both a leading *and*
a trailing curly brace or neither to be valid.
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Skip query cache for in_batches and friends
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The `find_each`, `find_in_batches` and `in_batches` APIs usually operate
on large numbers of records, where it's preferable not to load them all
into memory at once.
If the query cache is enabled, it will hold onto the query results until
the end of the execution context (request/job), which means the memory
used is still proportional to the total number of records. These queries
are typically not repeated, so the query cache isn't desirable here.
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Don't translate non-database exceptions.
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Whoops.
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The AbstractAdapter will translate all StandardErrors generated during the course of a query into ActiveRecord::StatementInvalids. Unfortunately, it'll also mangle non-database-related errors generated in ActiveSupport::Notification callbacks after the query has successfully completed. This should prevent it from translating errors from ActiveSupport::Notifications.
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Improve the performance of writing attributes
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This name more accurately describes what the method does, and also
disambiguates it from `_write_attribute`, which ignores aliases.
We can also make the method private, since it's not public API and only
called from one place - `update_columns` - without an explicit receiver.
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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
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kamipo/use_information_schema_to_extract_expression
Use `information_schema` to extract `generation_expression` for MariaDB
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Since MariaDB 10.2.5, `information_schema` supports Virtual Columns.
Fixes #29670.
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Since MariaDB 10.2, `CURRENT_TIMESTAMP` is shown as a function
(`current_timestamp()`). Fix matching column default to address that
case.
Fixes #29698.
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Currently `version` method always returns `5.5.5` because the
`full_version` is `5.5.5-10.x.y-MariaDB...` since MariaDB 10.x.
It should be ignored if the prefix is `5.5.5-`.
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`ActiveModel::Type::DateTime#serialize` should return a `Time` object
so that finding by a datetime column works correctly.
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Fix association with scope including joins
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Fixes #28324.
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These are no longer used since b98668decb9712f26118de57623fd15d7d28646d.
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Add missing `attr_name.to_s` in `AttributeMutationTracker`
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`attributes` (`values` in `LazyAttributeHash` in `AttributeSet`) has
string keys, not symbols.
Fixes #29665.
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kamipo/fix_test_copying_migrations_preserving_magic_comments
Fix `test_copying_migrations_preserving_magic_comments`
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Since #29540, `# frozen_string_literal: true` included original
migration files.
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We already have database agnostic `Type::Json` since #29220.
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Remove redundant `assert_respond_to`
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It is covered by following assertion.
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Because the deprecation message is not yet released.
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Let's say you have a nested transaction and both records are saved.
Before the outer transaction closes, a rollback is performed. Previously
the record in the outer transaction would get marked as not persisted
but the inner transaction would get persisted.
```ruby
Post.transaction do
post_one.save # will get rolled back
Post.transaction(requires_new: true) do
post_two.save # incorrectly remains marked as persisted
end
raise ActiveRecord::Rollback
end
```
To fix this the PR changes transaction handling to have the child
transaction ask the parent how the records should be marked. When
there are child transactions, it will always be a SavpointTransaction
because the stack isn't empty. From there we pass the parent_transaction
to the child SavepointTransaction where we add the children to the parent
so the parent can mark the inner transaction as rolledback and thus mark
the record as not persisted.
`update_attributes_from_transaction_state` uses the `completed?` check to
correctly mark all the transactions as rolledback and the inner record as
not persisted.
```ruby
Post.transaction do
post_one.save # will get rolled back
Post.transaction(requires_new: true) do
post_two.save # with new behavior, correctly marked as not persisted
on rollback
end
raise ActiveRecord::Rollback
end
```
Fixes #29320
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`set_state` was directly setting the transaction state instance
variable. It's better to set the state via specific methods (`rollback!`
and `commit!` respectively.
While undocumented and untested, it's possible someone is using
`set_state` in their app or gem so I've added a deprecation notice to
it.
No where in the app do we use `nullify!` but I wanted to keep existing
behavior while replacing the method with a better pattern.
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This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing
changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
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Enforce frozen string in Rubocop
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Make ActiveSupport frozen-string-literal friendly.
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Should be clear `@association_ids` when joined newly associated record
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Fixes #29627.
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Don't cache queries for schema statements
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`test_middleware_caches` is sometimes failed since #29454.
The failure is due to schema statements are affected by query caching.
Bypassing query caching for schema statements to avoid the issue.
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Fix automatic inverse for polymorphic interfaces
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