| Commit message (Collapse) | Author | Age | Files | Lines |
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* The database version will get cached in the schema cache file during the
schema cache dump. When the database version check happens, the version will
be pulled from the schema cache and thus avoid querying the database for
the version.
* If the schema cache file doesn't exist, we'll query the database for the
version and cache it on the schema cache object.
* To facilitate this change, all connection adapters now implement
#get_database_version and #database_version. #database_version returns the
value from the schema cache.
* To take advantage of the cached database version, the database version check
will now happen after the schema cache is set on the connection in the
connection pool.
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`@changed_attributes` is no longer used since #30985.
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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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Add attachment and attachments field generators
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Add db:prepare rake task.
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It Creates the database, loads the schema, run the migrations and initializes with the seed data
(use db:reset to also drop the database first). This rake task runs in an idempotent way
ref https://github.com/rails/rails/pull/33139#discussion_r195930751
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`delete_all`
This partly reverts #35617.
#35617 includes unused code (for `InsertStatement`) and re-using query
annotation for `update_all` and `delete_all`, which has not been
discussed yet.
If a relation has any annotation, I think it is mostly for SELECT query,
so re-using annotation by default is not always desired behavior for me.
We should discuss about desired behavior before publishing the
implementation.
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Update API doc for #includes on unnecessary #references
[ci skip]
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Update doc for #includes to clarify that #references is unnecessary when conditions are passed into #includes as a hash.
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Add dirty methods for store accessors
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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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Add rich_text field to model generators
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Fix preloader to never reset associations in case they are already loaded
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This patch fixes the issue when association is preloaded with a custom
preload scope which disposes the already preloaded target of the
association by reseting it.
When custom preload scope is used, the preloading is now performed into
a separated Hash - #records_by_owner instead of the association.
It removes the necessaty the reset the association after the preloading
is complete so that reset of the preloaded association never happens.
Preloading is still happening to the association when the preload scope
is empty.
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Bugfix: Fix false autosave for has_one :through association
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Fixes #35680
The problem occurred, when a `has one through` association contains
a foreign key (it belongs to the intermediate association).
For example, Comment belongs to Post, Post belongs to Author, and Author
`has_one :first_comment, through: :first_post`.
In this case, the value of the foreign key is comparing with the original
record, and since they are likely different, the association is marked
as changed. So it updates every time when the origin record updates.
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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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* Show options as list.
* Fix incorrect quoting.
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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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Thor automatically adds `-` if aliases do not start with `-`.
https://github.com/erikhuda/thor/blob/0879c1773d188902d54f95174f33961ac33111f8/lib/thor/parser/options.rb#L53
But Thor follows a convention of one-dash-one-letter options.
So, even if `-` is added to `db`, it does not work.
https://github.com/erikhuda/thor/blob/0879c1773d188902d54f95174f33961ac33111f8/lib/thor/parser/options.rb#L4
Follow up #34021.
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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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Remove roflscaling
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roflscaling (using frozen string constants instead of literal
strings) was added in 2012, before frozen string literals were
added in Ruby 2.3. Now that Rails no longer supports Ruby <2.3,
and all of these files use frozen string literals, there is
no reason to keep the roflscaling.
This does not delete or deprecate the related constants. Such
a change can be made in a later commit.
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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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