| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix corrupt transaction state caused by `before_commit` exceptions
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When a `before_commit` callback raises, the database is rolled back but
AR's record of the current transaction is not, leaving the connection in
a perpetually broken state that affects all future users of the
connection: subsequent requests, jobs, etc. They'll think a transaction
is active when none is, so they won't BEGIN on their own. This manifests
as missing `after_commit` callbacks and broken ROLLBACKs.
This happens because `before_commit` callbacks fire before the current
transaction is popped from the stack, but the exception-handling path
they hit assumes that the current transaction was already popped. So the
database ROLLBACK is issued, but the transaction stack is left intact.
Common cause: deadlocked `#touch`, which is now implemented with
`before_commit` callbacks.
What's next:
* We shouldn't allow active transaction state when checking in or out
from the connection pool. Verify that conns are clean.
* Closer review of txn manager sad paths. Are we missing other spots
where we'd end up with incorrect txn state? What's the worst that can
happen if txn state drifts? How can we guarantee it doesn't and
contain the fallout if it does?
Thanks for @tomafro for expert diagnosis!
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Solves personal insanity, since I was down in these files.
(Please don't submit PRs like this.)
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Some places were saying filter, while others said filter_options, spare the ambiguity
and use filter throughout.
This inlines a needless local variable and clarifies a route filter consists of defaults
and values to match against.
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Assume the filter is a string, if it wasn't a hash and isn't nil. Remove needless else
and rely on Ruby's default nil return.
Add spaces within hash braces.
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Add options for rake routes task
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Add two options: `-c` and `-g`.
`-g` option returns the urls name, verb and path fields that match the pattern.
`-c` option returns the urls for specific controller.
Fixes #18902, and Fixes #20420
[Anton Davydov & Vipul A M]
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This reverts commit 9f3730a516f30beb0050caea9539f8d6b808e58a, reversing
changes made to 2637fb75d82e1c69333855abd58c2470994995d3.
There are additional issues with this commit that need to be addressed
before this change is ready (see #23377). This is a temporary revert in
order for us to have more time to address the issues with that PR,
without blocking the release of beta2.
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Address remaining known issues in Interlock
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While we know no user code is running, we should do as much loading as
we can. That way, all the threads will then be able to resume running
user code together.
Otherwise, only the last arriving thread would get to do its load, and
would then return to userspace, leaving the others still blocked.
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We mostly care about `reload_classes_only_on_change=true`, because
that's the default... and there, we definitely need to wait for the lock
when necessary.
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.git added to https repo urls
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Add documentation for #17573
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Fixes some parts of #23148.
[ci skip]
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git protocol replaced with https
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yahonda/shorten_internal_metadata_table_name_less_than_30_byte
Shorten ActiveRecord::InternalMetadata.table_name to ar_internal_metadata
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for those who already migrated to Rails 5.0.0 beta
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to support Oracle database which only supports 30 byte identifier length
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[ci skip] Properly indent code in markdown
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[ci skip]
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Add Default Puma Config
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When the `puma` command is run without any configuration options it will detect presence of a `config/puma.rb` file and use that. Currently there is discrepancy between `puma` command and `rails server` but Evan said it would be reasonable to add in reading in config from the default location. I am working on that right now as a feature in puma/puma.
Why do we need this? By default Puma uses 16 threads, and by default ActiveRecord only has 5 threads. Due to the architecture of AR it is guaranteed that if you're running with fewer DB connections than your server has threads you will hit `ActiveRecord::ConnectionTimeoutError ` eventually if your app gets modest amounts of traffic. Since we are providing a default webserver, we should provide reasonable configuration for that webserver.
This PR does a few things, first it sets the default Puma thread count to 5 to mach ActiveRecord's default. It sets the default environment to `"development"` and the default port to 300 so that booting the server with `$ puma` will give you the same default port as `rails server`. It is worth mentioning that by reading in from `PORT` environment variable this config can work with containerized deployments, such as on Heroku.
We are not using worker processes by default, that way JRuby and windows devs can use this configuration without modification. I went ahead and included a default `on_worker_boot`. It won't be used unless a worker count is specified, that means this config will not use it. Even though it's not being used now It will make someone who wants to try modifying their config to run extra workers easier.
cc/ @pixeltrix
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Change default ACa adapter for development & test
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Redis sans EventMachine
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This new adapter does get a little more intimate with the redis-rb gem's
implementation than I would like, but it's the least bad of the
approaches I've come up with.
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Fix documentation related to `config.assets.cache_store` [ci skip]
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- sprockets-rails no longer supports customizing cache store after
rails/sprockets-rails@ecaeb27 using `config.assets.cache_store`.
- Instead we need to configure it using block syntax.
- Fixes #19835.
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Added references option to join tables
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Fixes issue #22960
When creating join tables with the command
rails g migration CreateJoinTableShowroomUser showroom:references user:references
The migration will use references to create the joins and output:
class CreateJoinTableShowroomUser < ActiveRecord::Migration
def change
create_join_table :showrooms, :users do |t|
t.references :showroom, index: true, foreign_key: true
t.references :user, index: true, foreign_key: true
end
end
end
This allows for proper refrences with indexes and foreign keys to be easily used when
adding join tables. Without `:refrences` the normal output is generated:
class CreateJoinTableShowroomUser < ActiveRecord::Migration[5.0]
def change
create_join_table :showrooms, :users do |t|
# t.index [:showroom_id, :user_id]
# t.index [:user_id, :showroom_id]
end
end
end
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Avoid extra `show variables` in migration
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`initialize_schema_migrations_table` is called in every migrations.
https://github.com/rails/rails/blob/v5.0.0.beta1/activerecord/lib/active_record/migration.rb#L1080
https://github.com/rails/rails/blob/v5.0.0.beta1/activerecord/lib/active_record/schema.rb#L51
This means that extra `show variables` is called regardless of the
existence of `schema_migrations` table.
This change is to avoid extra `show variables` if `schema_migrations`
table exists.
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Make to primary key instead of an unique index for internal tables
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None of the other components use them, so we should be consistent.
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kamipo/remove_duplicated_composite_primary_key_tests
Remove duplicated composite primary key tests
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Extract `ExplainPrettyPrinter` to appropriate files
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This reverts commit 96355e87cba247246234386b0af9273cc5d59db9, reversing
changes made to a00c36feea6c0271b5ad48a949ef294514fdef52.
See https://github.com/rails/rails/pull/23366#issuecomment-177714429
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Use `t.index` in `create_table` instead of `add_index` in test schema
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For reduce bootstrap queries in tests.
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Added test for backward compatibility of null constraints on timestamp columns
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