| Commit message (Collapse) | Author | Age | Files | Lines |
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When a record does not have a table name, as in the case for a record
with `self.abstract_class = true` and no `self.table_name` set the error
message raises a cryptic:
"ActiveRecord::StatementInvalid: Could not find table ''" this patch now
raises a new `TableNotSpecified Error`
Fixes: #36274
Co-Authored-By: Eugene Kenny <elkenny@gmail.com>
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GROUP BY with virtual count attribute is invalid for almost all
databases, but it is valid for PostgreSQL, and it had worked until Rails
5.2.2, so it is a regression for Rails 5.2.3 (caused by 311f001).
I can't find perfectly solution for fixing this for now, but I would not
like to break existing apps, so I decided to allow referencing virtual
count attribute in ORDER BY clause when GROUP BY aggrigation (it partly
revert the effect of 311f001) to fix the regression #36022.
Fixes #36022.
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* Make ActiveRecord `ConnectionPool.connections` thread-safe.
ConnectionPool documentation is clear on the need to synchronize
access to @connections but also states that public methods do not
require synchronization. Existing code exposed @connections
directly via attr_reader. The fix uses synchronize() to lock
@connections then returns a copy to the caller using Array.dup().
Includes comments on the connections method that thread-safe access
to the connections array does not imply thread-safety of accessing
methods on the actual connections.
Adds a test-case that modifies the pool using a supported method
in one thread while a second thread accesses pool.connections.
The test fails without this patch.
Fixes #36465.
* Update activerecord/test/cases/connection_pool_test.rb
[jeffdoering + Rafael Mendonça França]
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Especially, somehow `CHANGELOG.md` in actiontext and activestorage in
master branch had used 3 spaces indentation.
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If an sqlite3 table contains a decimal column behind columns with a collation
definition, then parsing the collation of all preceeding columns will fail --
the collation will be missed without notice.
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Before this fix it would either generate an invalid schema, passing `comment` option twice to `create_table`, or it move the comment from primary key column to the table if table had no comment when the dump was generated.
The situation now is that a comment on primary key will be ignored (not present on schema).
Fixes #29966
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Closes #28707.
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Fixes GH#28706. Now rails g migration create_users and rails g model User have the same behavior for timestamps since they implement the same migration template. The expected behavior is that this create table migration will create the table with timestamps unless you pass --no-timestamps or --skip-timestamps to the generator. The expected migration should match what you get when you use the model generator. Using the migration generator, which doesn't have a class_option for timestamps would cause them to not be added to the migration file. Now the migration behavior of the migration generator, create_table only, is aligned with the migration behavior of the model generator. Also modified relevant example of ActiveRecord Migrations Guide.
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`where.not` with polymorphic association is partly fixed incidentally at
213796f (refer #33493, #26207, #17010, #16983, #14161), and I've added
test case e9ba12f to avoid lose that fix accidentally in the future.
In Rails 5.2, `where.not(polymorphic: object)` works as expected as
NAND, but `where.not(polymorphic_type: object.class.polymorphic_name,
polymorphic_id: object.id)` still unexpectedly works as NOR.
To will make `where.not` working desiredly as NAND in Rails 6.1, this
deprecates `where.not` working as NOR. If people want to continue NOR
conditions, we'd encourage to them to `where.not` each conditions
manually.
```ruby
all = [treasures(:diamond), treasures(:sapphire), cars(:honda), treasures(:sapphire)]
assert_equal all, PriceEstimate.all.map(&:estimate_of)
```
In Rails 6.0:
```ruby
sapphire = treasures(:sapphire)
nor = all.reject { |e|
e.estimate_of_type == sapphire.class.polymorphic_name
}.reject { |e|
e.estimate_of_id == sapphire.id
}
assert_equal [cars(:honda)], nor
without_sapphire = PriceEstimate.where.not(
estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id
)
assert_equal nor, without_sapphire.map(&:estimate_of)
```
In Rails 6.1:
```ruby
sapphire = treasures(:sapphire)
nand = all - [sapphire]
assert_equal [treasures(:diamond), cars(:honda)], nand
without_sapphire = PriceEstimate.where.not(
estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id
)
assert_equal nand, without_sapphire.map(&:estimate_of)
```
Resolves #31209.
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Fix dirty tracking after rollback.
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Currently the rollback only restores primary key value, `new_record?`,
`destroyed?`, and `frozen?`. Since the `save` clears current dirty
attribute states, retrying save after rollback will causes no change
saved if partial writes is enabled (by default).
This makes `remember_transaction_record_state` remembers original values
then restores dirty attribute states after rollback.
Fixes #15018.
Fixes #30167.
Fixes #33868.
Fixes #33443.
Closes #33444.
Closes #34504.
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Cache versioning enables the same cache key to be reused when the object
being cached changes by moving the volatile part of the cache key out of
the cache key and into a version that is embedded in the cache entry.
This is already occurring when the object being cached is an
`ActiveRecord::Base`, but when caching an `ActiveRecord::Relation`
we are currently still putting the volatile information (max updated at
and count) as part of the cache key.
This PR moves the volatile part of the relations `cache_key` into the
`cache_version` to support recycling cache keys for
`ActiveRecord::Relation`s.
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[ci skip]
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We can revert migrations using `change_column_comment` or
`change_table_comment` at current master.
However, results are not what we expect: comments are remained in new
status.
This change tells previous comment to these methods in a way like
`change_column_default`.
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Regardless of a record isn't saved (e.g. validation is failed),
`after_commit` / `after_rollback` callbacks are invoked for now.
To fix the issue, this adds a record to the current transaction only
when a record is actually saved.
Fixes #29747.
Closes #29833.
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Fix "autosave: true" on belongs_to of join model causes invalid records to be saved
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Use a variable local to the `save_collection_association` method in
`activerecord/lib/active_record/autosave_association.rb`, instead of an
instance variable.
Prior to this PR, when there was a circular series of `autosave: true`
associations, the callback for a `has_many` association was run while
another instance of the same callback on the same association hadn't
finished running. When control returned to the first instance of the
callback, the instance variable had changed, and subsequent associated
records weren't saved correctly. Specifically, the ID field for the
`belongs_to` corresponding to the `has_many` was `nil`.
Remove unnecessary test and comments.
Fixes #28080.
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options
When I've added new `:size` option in #35071, I've found that invalid
`:limit` and `:precision` raises `ActiveRecordError` unlike other
invalid options.
I think that is hard to distinguish argument errors and statement
invalid errors since the `StatementInvalid` is a subclass of the
`ActiveRecordError`.
https://github.com/rails/rails/blob/c9e4c848eeeb8999b778fa1ae52185ca5537fffe/activerecord/lib/active_record/errors.rb#L103
```ruby
begin
# execute any migration
rescue ActiveRecord::StatementInvalid
# statement invalid
rescue ActiveRecord::ActiveRecordError, ArgumentError
# `ActiveRecordError` except `StatementInvalid` is maybe an argument error
end
```
I'd say this is the inconsistency worth fixing.
Before:
```ruby
add_column :items, :attr1, :binary, size: 10 # => ArgumentError
add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError
add_column :items, :attr3, :integer, limit: 10 # => ActiveRecordError
add_column :items, :attr4, :datetime, precision: 10 # => ActiveRecordError
```
After:
```ruby
add_column :items, :attr1, :binary, size: 10 # => ArgumentError
add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError
add_column :items, :attr3, :integer, limit: 10 # => ArgumentError
add_column :items, :attr4, :datetime, precision: 10 # => ArgumentError
```
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Follow-up of 5c71000, #29834, and #30271.
Currently, preloading and eager loading are not to be affected by
scoping, with the exception of `unscoped`.
But non eager loaded association access is still affected by scoping.
Although this is a breaking change, the association loading will work
consistently whether preloaded / eager loaded or not.
Before:
```ruby
Post.where("1=0").scoping do
Comment.find(1).post # => nil
Comment.preload(:post).find(1).post # => #<Post id: 1, ...>
Comment.eager_load(:post).find(1).post # => #<Post id: 1, ...>
end
```
After:
```ruby
Post.where("1=0").scoping do
Comment.find(1).post # => #<Post id: 1, ...>
Comment.preload(:post).find(1).post # => #<Post id: 1, ...>
Comment.eager_load(:post).find(1).post # => #<Post id: 1, ...>
end
```
Fixes #34638.
Fixes #35398.
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* s/Postgres/PostgreSQL/
* s/MYSQL/MySQL/, s/Mysql/MySQL/
* s/Sqlite/SQLite/
Replaced all newly added them after 6089b31.
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:create, :update ]`. (#35804)
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* use backticks instead of `+`
* and more (e.g. missed replacing `Array#excluding` and
`Enumerable#excluding` in b89a3e7e638a50c648a17d09c48b49b707e1d90d)
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Fix callbacks on has_many :through associations
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When adding a child record via a has_many :through association,
build_through_record would previously build the join record, and then
assign the child record and source_type option to it. Because the
before_add and after_add callbacks are called as part of build, however,
this caused the callbacks to receive incomplete records, specifically
without the other end of the has_many :through association. Collecting
all attributes before building the join record ensures the callbacks
receive the fully constructed record.
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record (#35784)
* Add `ActiveRecord::Relation#extract_associated` for extracting associated records from a relation
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This patch has two main portions:
1. Add SQL comment support to Arel via Arel::Nodes::Comment.
2. Implement a Relation#annotate method on top of that.
== Adding SQL comment support
Adds a new Arel::Nodes::Comment node that represents an optional SQL
comment and teachers the relevant visitors how to handle it.
Comment nodes may be added to the basic CRUD statement nodes and set
through any of the four (Select|Insert|Update|Delete)Manager objects.
For example:
manager = Arel::UpdateManager.new
manager.table table
manager.comment("annotation")
manager.to_sql # UPDATE "users" /* annotation */
This new node type will be used by ActiveRecord::Relation to enable
query annotation via SQL comments.
== Implementing the Relation#annotate method
Implements `ActiveRecord::Relation#annotate`, which accepts a comment
string that will be appeneded to any queries generated by the relation.
Some examples:
relation = Post.where(id: 123).annotate("metadata string")
relation.first
# SELECT "posts".* FROM "posts" WHERE "posts"."id" = 123
# LIMIT 1 /* metadata string */
class Tag < ActiveRecord::Base
scope :foo_annotated, -> { annotate("foo") }
end
Tag.foo_annotated.annotate("bar").first
# SELECT "tags".* FROM "tags" LIMIT 1 /* foo */ /* bar */
Also wires up the plumbing so this works with `#update_all` and
`#delete_all` as well.
This feature is useful for instrumentation and general analysis of
queries generated at runtime.
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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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v6.0.0.beta3 release
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* Update RAILS_VERSION
* Bundle
* rake update_versions
* rake changelog:header
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kamille-gz/fix_query_method_when_given_Date_data_type
Fix ActiveRecord query attribute method when given value does't respond to to_i method
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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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Adds a method to ActiveRecord allowing records to be inserted in bulk without instantiating ActiveRecord models. This method supports options for handling uniqueness violations by skipping duplicate records or overwriting them in an UPSERT operation.
ActiveRecord already supports bulk-update and bulk-destroy actions that execute SQL UPDATE and DELETE commands directly. It also supports bulk-read actions through `pluck`. It makes sense for it also to support bulk-creation.
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* Add `ActiveRecord::Base.connection.truncate` for SQLite3 adapter.
SQLite doesn't support `TRUNCATE TABLE`, but SQLite3 adapter can support
`ActiveRecord::Base.connection.truncate` by using `DELETE FROM`.
`DELETE` without `WHERE` uses "The Truncate Optimization",
see https://www.sqlite.org/lang_delete.html.
* Add `rails db:seed:replant` that truncates database tables and loads the seeds
Closes #34765
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In MySQL, the default collation is case insensitive. Since the
uniqueness validator enforces case sensitive comparison by default, it
frequently causes mismatched collation issues (performance, weird
behavior, etc) to MySQL users.
https://grosser.it/2009/12/11/validates_uniqness_of-mysql-slow/
https://github.com/rails/rails/issues/1399
https://github.com/rails/rails/pull/13465
https://github.com/gitlabhq/gitlabhq/commit/c1dddf8c7d947691729f6d64a8ea768b5c915855
https://github.com/huginn/huginn/pull/1330#discussion_r55152573
I'd like to deprecate the implicit default enforcing since I frequently
experienced the problems in code reviews.
Note that this change has no effect to sqlite3, postgresql, and
oracle-enhanced adapters which are implemented as case sensitive by
default, only affect to mysql2 adapter (I can take a work if sqlserver
adapter will support Rails 6.0).
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Fixes https://github.com/rails/rails/pull/33611#discussion_r261549790
Related to https://3.basecamp.com/3076981/buckets/24956/chats/12416418@1631552581
[ci skip]
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Add reselect method
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