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sergey-alekseev/uniqueness-validation-scope-with-polymorphic-association
fix the uniqueness validation scope with a polymorphic association
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https://gist.github.com/sergey-alekseev/946657ebdb5e58d1bee115714056ec96
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If it's enabled globally, it's on regardless of how individual threads
are set.
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I assume it's upset because of the change in d314646c965b045724e6bdb9d61dcecfabc0ba8f,
but I don't yet understand why.
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Follow up to #25395.
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Suppress migration message in the test
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Distribute connections to previously blocked threads when we're done
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Two methods block new connections; we were already doing the right thing
for clear_reloadable_connections, but it's better placed in
with_new_connections_blocked, where it can work for disconnect too.
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Fixes casting of IDs to the data type of the association primary key,
rather than then the data type of the model's primary key. (Tests use a
string primary key on the association, rather than an int.)
Tests issue #20995
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9c9fb19 changed the behaviour of the _ids= setters for associations to
raise an AssociationTypeMismatch when unknown IDs are given:
Class: <ActiveRecord::AssociationTypeMismatch>
Message: <"Developer(#43811860) expected, got NilClass(#16732720)">
This restores the original ActiveRecord::RecordNotFound exception with a
much clearer error message:
Class: <ActiveRecord::RecordNotFound>
Message: <"Couldn't find all Developers with 'id': (1, -9999) [WHERE \"contracts\".\"company_id\" = ?] (found 1 results, but was looking for 2)">
Fixes #25719
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Since 9.4, PostgreSQL recommends using `pgcrypto`'s `gen_random_uuid()`
to generate version 4 UUIDs instead of the functions in the `uuid-ossp`
extension.
These changes uses the appropriate UUID function depending on the
underlying PostgreSQL server's version, while maintaining
`uuid_generate_v4()` in older migrations.
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This patch brings back the functionality of passing true to the
association proxy. The behavior was deprecated with #20888 and scheduled
for removal in Rails 5.1.
The deprecation mentioned that instead of `Article.category(true)` one
should use `article#reload.category`. Unfortunately the alternative does
not expose the same behavior as passing true to the reader
did. Specifically reloading the parent record throws unsaved changes and
other caches away. Passing true only affected the association.
This is problematic and there is no easy workaround. I propose to bring
back the old functionality by introducing this new reader method for
singular associations.
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- Due to `assert_nothing_raised` this test was not really testing
anything.
- So updated it to assert that the query gives expected result.
- Also in general we can use `connection.unprepared_statement` for
testing queries w/o prepared statements but it can't be used in this
case. This test cases was added because when prepared_statements
config is set to false, then DetermineIfPreparableVisitor module
does not extended by Arel visitor resulting into an error. Ref: https://github.com/rails/rails/pull/22748.
- Because DetermineIfPreparableVisitor module does not get added to the
visitor chain only if prepared_statements is false while **setting up
connection**, not when `unprepared_statement` is used.
- I have also added an assertion for making sure that prepared_config
is set to false from the start, so that nobody accidentally removes
the connection setup using `arunit_without_prepared_statements` and
replaces it with stubs or unprepared_statement.
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Follow up to #27109.
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- The query needs to be executed for hitting `select_all` so made sure
that query gets executed.
- Also instead of changing instance variable, just add new
configuration for prepared_statements: false and use it for this
test.
- This way we don't have to touch the internals of AR code and still
disable prepared statements config for this test.
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use `force_encoding` instread of `encode!` to avoid `UndefinedConversionError`
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`PG::TextEncoder::Array#encode` returns the encoded value with `ASCII-8BIT`.
But in some cases, trying to convert `ASCII-8BIT` to `UTF-8` cause an error.
```ruby
"{\xE3\x83\x95\xE3\x82\xA1\xE3\x82\xA4\xE3\x83\xAB}".encode!(Encoding::UTF_8)
# => Encoding::UndefinedConversionError: "\xE3" from ASCII-8BIT to UTF-8
```
Should use `force_encoding` to avoid this error.
Follow up to 7ba3a48df5bfdc5e98506bb829f937e03b55a5b3
Ref: https://github.com/rails/rails/pull/23619#issuecomment-189924036
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kamipo/respect_new_records_for_collection_proxy_distinct
Respect new records for `CollectionProxy#uniq`
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Currently if `CollectionProxy` has more than one new record,
`CollectionProxy#uniq` result is incorrect.
And `CollectionProxy#uniq` was aliased to `distinct` in a1bb6c8b06db.
But the `uniq` method and the `SELECT DISTINCT` method are different
methods. The doc in `CollectionProxy` is for the `SELECT DISTINCT`
method, not for the `uniq` method.
Therefore, reverting the alias in `CollectionProxy` to fix the
inconsistency and to have the both methods.
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As reported via #26904, there is a regression in how values for
Postgres' HStore column type are being processed, beginning in Rails 5.
Currently, the way that Active Record checks whether or not values need
to be serialized and put into the correct storage format is whether or
not it is a `Hash` object. Since `ActionController::Parameters` no
longer inherits from `Hash` in Rails 5, this conditional now returns
false. To remedy this, we are now checking to see whether the `value`
parameters being passed in responds to a certain method, and then
calling the `serialize` method, except this time with a real Hash
object. Keeping things DRY!
Fixes #26904.
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Configure query caching (per thread) on the connection pool
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Clear query cache during checkin, instead of an execution callback
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It doesn't make sense for the query cache to persist while a connection
moves through the pool and is assigned to a new thread.
[Samuel Cochran & Matthew Draper]
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Under JRuby, the updates of the one shared variable interleaved,
causing threads to pick up each others' connections. I'm amazed
this worked on MRI.
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Move `test_quoting_classes` into `test/cases/quoting_test.rb`
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fix datatime error
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* Fixes TypeError when cache counter value equals nil
* Test case for counter cache on unloaded has_many association
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With the changes in #25337, double save bugs are pretty much impossible,
so we can just lift this restriction with pretty much no change. There
were a handful of cases where we were relying on specific quirks in
tests that had to be updated. The change to has_one associations was due
to a particularly interesting test where an autosaved has_one
association was replaced with a new child, where the child failed to
save but the test wanted to check that the parent id persisted to `nil`.
I think this is almost certainly the wrong behavior, and I may change
that behavior later. But ultimately the root cause was because we never
remove the parent in memory when nullifying the child. This makes #23197
no longer needed, but it is what we'll do to fix some issues on 5.0
Close #23197
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callbacks
We pretty frequently get bug reports that "dirty is broken inside of
after callbacks". Intuitively they are correct. You'd expect
`Model.after_save { puts changed? }; model.save` to do the same thing as
`model.save; puts model.changed?`, but it does not.
However, changing this goes much farther than just making the behavior
more intuitive. There are a _ton_ of places inside of AR that can be
drastically simplified with this change. Specifically, autosave
associations, timestamps, touch, counter cache, and just about anything
else in AR that works with callbacks have code to try to avoid "double
save" bugs which we will be able to flat out remove with this change.
We introduce two new sets of methods, both with names that are meant to
be more explicit than dirty. The first set maintains the old behavior,
and their names are meant to center that they are about changes that
occurred during the save that just happened. They are equivalent to
`previous_changes` when called outside of after callbacks, or once the
deprecation cycle moves.
The second set is the new behavior. Their names imply that they are
talking about changes from the database representation. The fact that
this is what we really care about became clear when looking at
`BelongsTo.touch_record` when tests were failing. I'm unsure that this
set of methods should be in the public API. Outside of after callbacks,
they are equivalent to the existing methods on dirty.
Dirty itself is not deprecated, nor are the methods inside of it. They
will only emit the warning when called inside of after callbacks. The
scope of this breakage is pretty large, but the migration path is
simple. Given how much this can improve our codebase, and considering
that it makes our API more intuitive, I think it's worth doing.
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These comment sometimes explain a face which does not match
the face.
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In ActiveRecord test :men, :faces, :interests and :zines tables are
used for `:inverse_of` test cases, not `:wheels`.
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Fix for has_and_belongs_to_many & has_many_through associations
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partial_writes is false
This will fix #19663
Also with this fix, active record does not fire unnecassary update queries while partial_writes is true
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Remove unnecessary `respond_to?(:indexes)` checking
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Currently all adapters (postgresql, mysql2, sqlite3, oracle-enhanced,
and sqlserver) implemented `indexes` and schema dumper expects
implemented `indexes`.
https://github.com/rails/rails/blob/v5.0.0/activerecord/lib/active_record/schema_dumper.rb#L208
Therefore `respond_to?(:indexes)` checking is unnecessary.
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Using Constant and symbol class_name option for associations are valid but raises exception on HABTM associations.
There was a test case which tries to cover symbol class_name usage but doesn't cover correctly. Fixed both symbol usage and constant usage as well.
These are all working as expected now;
```
has_and_belongs_to_many :foos, class_name: 'Foo'
has_and_belongs_to_many :foos, class_name: :Foo
has_and_belongs_to_many :foos, class_name: Foo
```
Closes #23767
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Use Regexp#match? rather than Regexp#===
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Follow up to 99cf7558000090668b137085bfe6bcc06c4571dc.
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