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Document option forwarding in ActiveRecord::Base.attribute
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This has been supported for a while but we didn't have documentation
for it.
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I found `:unique_by` with `:columns` and `:where` inside it tough to
grasp. The documentation only mentioned indexes and partial indexes.
So why duplicate a model's indexes in an insert_all/upsert_all call
when we can just look it up?
This has the added benefit of raising if no index is found, such that
people can't insert thousands of records without relying on an index
of some form.
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shioyama/generated_attribute_methods_namespaced_constant
Give GeneratedAttributeMethods module a name
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Currently GeneratedAttributeMethods is a module builder class, an
instance of which is included in every AR class. OTOH,
GeneratedAssociatedMethods is assigned to a constant under the model
namespace. This is inconsistent and looks strange in the list of
ancestors.
There is no particular reason *not* to assign a constant for this (very
important) module under the model namespace, so that's what this commit
does.
Previous to this change, ancestors for an AR class looked like this:
```
=> [User (call 'User.connection' to establish a connection),
User::GeneratedAssociationMethods,
#<ActiveRecord::AttributeMethods::GeneratedAttributeMethods:0x000055ace0f05b08>,
ApplicationRecord(abstract),
ApplicationRecord::GeneratedAssociationMethods,
#<ActiveRecord::AttributeMethods::GeneratedAttributeMethods:0x000055ace093c460>,
ActiveRecord::Base,
...
```
With this change, they look like this:
```
=> [User (call 'User.connection' to establish a connection),
User::GeneratedAssociationMethods,
User::GeneratedAttributeMethods,
ApplicationRecord(abstract),
ApplicationRecord::GeneratedAssociationMethods,
ApplicationRecord::GeneratedAttributeMethods,
ActiveRecord::Base,
...
```
The previously named `GeneratedAttributeMethods` module builder class is
renamed `GeneratedAttributeMethodsBuilder` to emphasize that this is not
a module but a class.
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Extract `sanitize_as_sql_comment` from SQL visitor into connection
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Probably that is useful for any other feature as well.
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* update_at/on note for ActiveRecord::Relation.update_all
* Verbatim updated_at/on
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eileencodes/fix-database-configuration-when-not-actually-a-three-tier
Fix database configuration when adding another config level
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This is kind of hard to explain but if you have a database config with
another level like this:
```
development:
primary:
database: "my db"
variables:
statement_timeout: 1000
```
the database configurations code would chooke on the `variables` level
because it didn't know what to do with it.
We'd see the following error:
```
lib/active_record/database_configurations.rb:72:in
`block in find_db_config': undefined method `env_name' for [nil]:Array
(NoMethodError)
```
The problem here is that Rails does correctly identify this as not a
real configuration but returns `[nil]` along with the others. We need to
make sure to flatten the array and remove all the `nil`'s before
returning the `configurations` objects.
Fixes #35646
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This also prevents insert_all from leaking its attributes checks.
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`values_list` is quite long and does far too many things. This also
eagerly extract the keys in initialize instead of having to worry about
calling them multiple times.
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Internal usage for the method as public has removed at #29623.
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* Remove redundant `table_names.empty?`
* Early return in `truncate_tables` since it is already deeply nested
* Move `truncate_tables` out from between `exec_delete` and `exec_update`
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https://buildkite.com/rails/rails/builds/59632#fe3d2551-569a-46c8-94f3-7abe835d4d7a/122-153
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Before:
```
(16.4ms) TRUNCATE TABLE `author_addresses`
(20.5ms) TRUNCATE TABLE `authors`
(19.4ms) TRUNCATE TABLE `posts`
```
After:
```
Truncate Tables (19.5ms) TRUNCATE TABLE `author_addresses`;
TRUNCATE TABLE `authors`;
TRUNCATE TABLE `posts`
```
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This is to easier make `truncate_tables` to bulk statements.
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Support Optimizer Hints
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We as Arm Treasure Data are using Optimizer Hints with a monkey patch
(https://gist.github.com/kamipo/4c8539f0ce4acf85075cf5a6b0d9712e),
especially in order to use `MAX_EXECUTION_TIME` (refer #31129).
Example:
```ruby
class Job < ApplicationRecord
default_scope { optimizer_hints("MAX_EXECUTION_TIME(50000) NO_INDEX_MERGE(jobs)") }
end
```
Optimizer Hints is supported not only for MySQL but also for most
databases (PostgreSQL on RDS, Oracle, SQL Server, etc), it is really
helpful to turn heavy queries for large scale applications.
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friends.
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This reverts commit 65f2eeaaf5774f0891fff700f4defb0b90a05789.
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v6.0.0.beta3 release
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* Update RAILS_VERSION
* Bundle
* rake update_versions
* rake changelog:header
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Follow up #35573
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This commit addresses the issue in
https://github.com/rails/rails/issues/35543 by making note of the
growing primary key issue with `create_or_find_by`.
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Useful to not query for indexes when an application uses schema cache.
Ref https://github.com/rails/rails/pull/35546
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YAML has been used to serialize the schema cache ever since 2016 with
Rails 5.1: 4c00c6ed
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Not looking for other contributions like this, but I took the liberty
since I was already working on this.
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Staled `@default_timezone` would cause an error on `reconnect!` after
`disconnect!`.
https://buildkite.com/rails/rails/builds/59495#23be8079-3a4f-4375-9991-0a6f874554f2
Steps to reproduce:
```
% ARCONN=postgresql bin/test test/cases/adapter_test.rb test/cases/base_test.rb -n "/(?:test_attributes_on_dummy_time|test_reconnect_after_a_disconnect)$/" --seed 15849
Using postgresql
Run options: -n "/(?:test_attributes_on_dummy_time|test_reconnect_after_a_disconnect)$/" --seed 15849
# Running:
.
E
Error:
ActiveRecord::AdapterTestWithoutTransaction#test_reconnect_after_a_disconnect:
NoMethodError: undefined method `add_coder' for #<PG::TypeMapAllStrings:0x00007f85ab9dd5b8>
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:866:in `update_typemap_for_default_timezone'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:652:in `exec_no_cache'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:636:in `execute_and_clear'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:894:in `add_pg_decoders'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:744:in `connect'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:285:in `rescue in block in reconnect!'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:281:in `block in reconnect!'
/Users/kamipo/.rbenv/versions/2.6.1/lib/ruby/2.6.0/monitor.rb:230:in `mon_synchronize'
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb:280:in `reconnect!'
/Users/kamipo/src/github.com/rails/rails/activerecord/test/cases/adapter_test.rb:465:in `block in <class:AdapterTestWithoutTransaction>'
```
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Sample example ->
Before:
prathamesh@Prathameshs-MacBook-Pro-2 blog *$ rails server thin
DEPRECATION WARNING: Passing the Rack server name as a regular argument is deprecated
and will be removed in the next Rails version. Please, use the -u
option instead.
After:
prathamesh@Prathameshs-MacBook-Pro-2 squish_app *$ rails server thin
DEPRECATION WARNING: Passing the Rack server name as a regular argument is deprecated and will be removed in the next Rails version. Please, use the -u option instead.
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typecasted value
change the line to check an attribute has user-defined type
ref: https://github.com/rails/rails/pull/35320#discussion_r257924552
check query attribute method is working when given value does not respond to to_i method
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Quote empty ranges like other empty enumerables
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Ruby 2.7 warning: creating a Proc without a block
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As of [Revision 66772](
https://bugs.ruby-lang.org/projects/ruby-trunk/repository/trunk/revisions/66772)
`Proc.new` without giving a block emits `warning: tried to create Proc object without a block`.
This commit fixes cases where Rails test suit tickles this warning.
See CI logs:
https://travis-ci.org/rails/rails/jobs/487205819#L1161-L1190
https://travis-ci.org/rails/rails/jobs/487205821#L1154-1159
https://travis-ci.org/rails/rails/jobs/487205821#L1160-L1169
https://travis-ci.org/rails/rails/jobs/487205821#L1189
https://travis-ci.org/rails/rails/jobs/487254404#L1307-L1416
https://travis-ci.org/rails/rails/jobs/487254405#L1174-L1191
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It is to work that on `reconnect!` after `disconnect!`.
https://buildkite.com/rails/rails/builds/59378#1efea538-cfca-4d43-8b7e-ae78e97227c8
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It is to work that on `reconnect!` after `disconnect!`
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Improve doc of automatic inverse_of detection
[ci skip]
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Update documentation on upsert_all so that it is correct for Postgres
[ci skip]
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Details in https://github.com/rails/rails/issues/35519
In short, MySQL and Sqlite3 allow a record to be both inserted _and_ replaced in the same operation. Postgres (and the SQL-2003 rules for MERGE) do not.
Postgres's rationale seems to be that the operation would be nondeterministic.
I think it's OK for Rails users to have a different experience with this feature depending on their database; but I think you should be able to follow the examples in the docs on any database.
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Delegate `only` query method to relation as with `except`
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