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Add :nodoc: to activerecord [ci skip]
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rails/kamipo/ordinal_methods_should_respect_loaded_records
Ordinal methods should respect loaded records
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We should reset partially loaded `@offsets` cache when latest records
has loaded because the cache has been staled and it may not be
consistent with latest records.
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Improve AR connection fork safety
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Use whatever adapter-provided means we have available to ensure forked
children don't send quit/shutdown/goodbye messages to the server on
connections that belonged to their parent.
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yahonda/attributes_before_type_cast_on_boolean_with_jruby
No difference between JRuby and CRuby at test_read_attributes_before_…
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test_read_attributes_before_type_cast_on_a_boolean
https://github.com/jruby/activerecord-jdbc-adapter ActiveRecord JDBC Adapter is actively developed
and it supports Rails 5.1 now. This pull request addresses one of the failure when running
ActiveRecord unit tests with ActiveRecord JDBC Adapter.
As of right now, ActiveRecord JDBC Adapter supports Rails 5.1, not master branch
then this test only can run on `5-1-stable` branch. But I have opened this pull request to `master` branch
since this type cast should be going to work in the future versions of ActiveRecord JDBC Adapter .
```ruby
$ ARCONN=jdbcmysql bin/test test/cases/attribute_methods_test.rb:203
Using jdbcmysql
Run options: --seed 8874
F
Finished in 0.709120s, 1.4102 runs/s, 1.4102 assertions/s.
1) Failure:
AttributeMethodsTest#test_read_attributes_before_type_cast_on_a_boolean [/home/yahonda/git/rails/activerecord/test/cases/attribute_methods_test.rb:203]:
Expected: "0"
Actual: 0
1 runs, 1 assertions, 1 failures, 0 errors, 0 skips
$
```
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[ci skip]
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These extra `spawn` are called via `klass.all` and `klass.all` is called
everywhere in the internal. Avoiding the extra `spawn` makes` klass.all`
30% faster for STI classes.
https://gist.github.com/kamipo/684d03817a8115848cec8e8b079560b7
```
Warming up --------------------------------------
fast relation 4.410k i/100ms
slow relation 3.334k i/100ms
Calculating -------------------------------------
fast relation 47.373k (± 5.2%) i/s - 238.140k in 5.041836s
slow relation 35.757k (±15.9%) i/s - 176.702k in 5.104625s
Comparison:
fast relation: 47373.2 i/s
slow relation: 35756.7 i/s - 1.32x slower
```
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Prevent deadlocks with load interlock and DB lock.
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This fixes an issue where competing threads deadlock each other.
- Thread A holds the load interlock but is blocked on getting the DB lock
- Thread B holds the DB lock but is blocked on getting the load interlock (for example when there is a `Model.transaction` block that needs to autoload)
This solution allows for dependency loading in other threads while a thread is waiting to acquire the DB lock.
Fixes #31019
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Switch to LIFO for the connection pool
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Using a FIFO for the connection pool can lead to issues when there are
upstream components (pgbouncer, haproxy, etc.) that terminate
connections that are idle after a period of time. Switching to a LIFO
reduces the probability that a thread will checkout a connection that is
about to be closed by an idle timeout in an upstream component.
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Enable query cache on all connection pools
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Since the query cache no longer eagerly checks out a connection, we can
enable it on all connection pools at the start of every request, and it
will only take effect for requests that actually use those pools.
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`_update_record` (#29999)
Currently `_create_record` and `_update_record` in `Persistence` are
creating extra `unscoped` and calling `build_arel` in the relation. But
`compile_insert` and `compile_update` can be done without those
expensive operation for `SelectManager` creation. So I moved the
implementation to `Persistence` to avoid creating extra relation and
refactored to avoid calling `build_arel`.
https://gist.github.com/kamipo/8ed73d760112cfa5f6263c9413633419
Before:
```
Warming up --------------------------------------
_update_record 150.000 i/100ms
Calculating -------------------------------------
_update_record 1.548k (±12.3%) i/s - 7.650k in 5.042603s
```
After:
```
Warming up --------------------------------------
_update_record 201.000 i/100ms
Calculating -------------------------------------
_update_record 2.002k (±12.8%) i/s - 9.849k in 5.027681s
```
30% faster for STI classes.
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insensitive
i.e. Oracle database identifier is UPPERCASE unlike other databases.
```ruby
(byebug) query = Developer.all.to_sql
"SELECT \"DEVELOPERS\".\"ID\", \"DEVELOPERS\".\"NAME\", \"DEVELOPERS\".\"SALARY\", \"DEVELOPERS\".\"FIRM_ID\", \"DEVELOPERS\".\"MENTOR_ID\", \"DEVELOPERS\".\"CREATED_AT\", \"DEVELOPERS\".\"UPDATED_AT\", \"DEVELOPERS\".\"CREATED_ON\", \"DEVELOPERS\".\"UPDATED_ON\" FROM \"DEVELOPERS\""
```
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`oldie = 'true'` to `tinyint(1)` column is invalid value for MySQL:
```
Mysql2::Error: Incorrect integer value: 'true' for column 'oldie' at row 1: update horses set oldie = 'true'
```
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* Add a #populate method to migrations
* Address rubocop issues
* Rename to #up_only and use #execute in the examples intead of the model
* Update CHANGELOG
[Rich Daley & Rafael Mendonça França]
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Make it clear that `exists?` can be chained onto a relation
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Disallow raw SQL in dangerous AR methods
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with Arel SQL literator which overrides #concat
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Currently the environment is not loaded in some db tasks.
Therefore, if use encrypted secrets values in `database.yml`,
`read_encrypted_secrets` will not be true, so the value can not be
used correctly.
To fix this, added `environment` as dependency of `load_config`.
It also removes explicit `environment` dependencies that are no longer
needed.
Fixes #30717
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The documentation claims that given values go through "normal AR type
casting and serialization", which to me implies
`serialize(cast(value))`, not just serialization. The docs were changed
to use this wording in #22492. The tests I cited in that PR (which is
the same test modified in this commit), is worded in a way that implies
it should be using `cast` as well.
It's possible that I originally meant "normal type casting" to imply
just the call to `serialize`, but given that `update_all(archived:
params['archived'])` seems to be pretty common, I'm inclined to make
this change as long as no tests are broken from it.
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Do not use `Arel.star` when `ignored_columns`
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If there are any ignored columns, we will now list out all columns we
want to be returned from the database.
Includes a regression test.
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