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kamipo/fix_tests_failure_with_prepared_statements_false
Fix tests failure with `prepared_statements: false`
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Some tests does not work for unprepared statements.
Add `if ActiveRecord::Base.connection.prepared_statements` and fix a
regex for fix tests failure with `prepared_statements: false`.
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Fix `NoMethodError: undefined method `fields' for nil:NilClass`
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Currently `exec_query` raises `NoMethodError` when executing no result
queries (`INSERT`, `UPDATE`, `DELETE`, and all DDL) in mysql2 adapter.
```
irb(main):002:0> conn.execute("create table t(a int)")
(43.3ms) create table t(a int)
=> nil
irb(main):003:0> conn.execute("insert into t values (1)")
(19.3ms) insert into t values (1)
=> nil
irb(main):004:0> conn.exec_query("insert into t values (1)")
SQL (28.6ms) insert into t values (1)
NoMethodError: undefined method `fields' for nil:NilClass
```
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Add option to error on ignored order or limit
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ignored in batches
add some documentation and add 4 tests regarding error vs. warning behavior
fix a typo when referring to the message
go back to default in tests so that ordering is not important. use a constant instead of method. fix assert_nothing_raised call. use self.klass to allow per class configuration
remove logger warn assets as that is tested elsewhere. pass error_on_ignore through find_each and find_in_batches also.
add blocks to the finds so that the code is actually executed
put the setting back to default in an ensure
Add a changelog entry
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Publish AS::Executor and AS::Reloader APIs
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These should allow external code to run blocks of user code to do
"work", at a similar unit size to a web request, without needing to get
intimate with ActionDipatch.
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ActiveRecord #second_to_last tests and finder methods
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samphilipd/sam/properly_deallocate_prepared_statements_outside_of_transaction
Correctly deallocate prepared statements if we fail inside a transaction
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- Addresses issue #12330
Overview
========
Cached postgres prepared statements become invalidated if the schema
changes in a way that it affects the returned result.
Examples:
- adding or removing a column then doing a 'SELECT *'
- removing the foo column then doing a 'SELECT bar.foo'
In normal operation this isn't a problem, we can rescue the error,
deallocate the prepared statement and re-issue the command.
However in PostgreSQL transactions, once any command fails, the
transaction becomes 'poisoned' and any subsequent commands will raise
InFailedSQLTransaction.
This includes DEALLOCATE statements, so the default deallocation
strategy instead of removing the cached prepared statement instead
raises InFailedSQLTransaction.
Why this is bad
===============
1. InFailedSQLTransaction is a fairly cryptic error and doesn't
communicate any useful information about what has actually gone wrong.
2. In the naive implementation the prepared statement never gets
deallocated - it stays alive for the length of the session taking up
memory on the postgres server.
3. It is unsafe to retry the transaction because the bad prepared
statement is still in the cache and we would see the exact same failure
repeated.
Solution
========
If we are outside a transaction we can continue to handle these failures
gracefully in the usual way.
Inside a transaction instead of issuing a DEALLOCATE command that will
certainly fail, we now raise
ActiveRecord::PreparedStatementCacheExpired.
This can be handled further up the stack, notably inside
TransactionManager#within_new_transaction. Here we can make sure to
first rollback the transaction, then safely issue DEALLOCATE statements
to invalidate the rest of the cached prepared statements.
This also allows the user (or some gem) the opportunity to catch this error and
voluntarily retry the transaction if a schema change causes the prepared
statement cache to become invalidated.
Because the outdated statement has been deallocated, we can expect the
transaction to succeed on the second try.
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When the `source_type` option is passed to a has_many through, the
resulting `Reflection` will be an instance of `PolymorphicReflection`
and not `ThroughReflection`, meaning that it will ignore the scopes that
it needs to apply from the through reflections. This adds an additional
delegation call to remedy this. I've been finding the reflection code
completely impenetrable lately, it could use some major love.
Fixes #22726
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Honour joining model order in `has_many :through` associations when
eager loading
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association when eager loading.
Previously, eager loading a `has_many :through` association with no
defined order would return the records in the natural order of the
database. Now, these records will be returned in the order that the
joining record is returned, in case there is a defined order there.
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record.id_was is nil in after_create/after_save, so we should use
id in these cases.
While this logic feels incomplete, the existing update_record uses the same
logic:
https://github.com/rails/rails/blob/2fda4e0874a97a76107ab9e88305169f2c625933/activerecord/lib/active_record/relation.rb#L83
This logic was originally added for a similar problem:
updates not working with after_create hook.
See: 482f8c15b1d699c95bfbc3d836f674a09c0d9031
Followup to #23581
Fixes #23844
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I ran into an issue where validations on a suppressed record were
causing validation errors to be thrown on a record that was never going
to be saved.
There isn't a reason to run the validations on a record that doesn't
matter.
This change moves the suppressor up the chain to be run on the `save` or
`save!` in the validations rather than in persistence. The issue with
running it when we hit persistence is that the validations are run
first, then we hit persistance, and then we hit the suppressor. The
suppressor comes first.
The change to the test was required since I added the
`validates_presence_of` validations. Adding this alone was enough to
demonstrate the issue. I added a new test to demonstrate the new
behavior is explict.
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I was encountered remaining `:binary_testings` table by tests failure.
When remaining `:binary_testings` table, never reach `drop_table` due to
`create_table` in the test always fails.
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Follow up to 3b01785.
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In order to fix issue #17621 we added a check to validations that
determined if a record should be validated. Based on the existing tests
and behavior we wanted we determined the best way to do that was by
checking if `!record.peristed? || record.changed? || record.marked_for_destruction?`
This change didn't make it into a release until now. When #23790 was
opened we realized that `valid?` and `invalid?` were broken and did not
work on persisted records because of the `!record.persisted?`.
While there is still a bug that #17621 brought up, this change was too
drastic and should not be a RC blocker. I will work on fixing this so
that we don't break `valid?` but also aren't validating parent records
through child records if that parent record is validate false. This
change removes the code changes to validate and the corresponding tests.
It adds tests for two of the bugs found since Rails 5 beta2 release.
Fixes #17621
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Fix issue #23625
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This resolves a bug where if the primary key used is not `id` (ex:
`uuid`), and has a `validates_uniqueness_of` in the model, a uniqueness error
would be raised. This is a partial revert of commit `119b9181ece399c67213543fb5227b82688b536f`, which introduced this behavior.
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wisetara/wisetara/deprecate-args-ActiveSupport__TestCase#assert_nothing_raised-for-pr
Wisetara/deprecate args active support test case#assert nothing raised for pr
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We are creating the table but not deleting after the test.
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A `:test_limits` table has not been created.
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prathamesh-sonpatki/fix-showing-of-deprecation-warning-for-legacy-migrations
Correctly show deprecation warning for incompatible migrations
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- Tests on Travis are randomly failing because schema_migrations table
does not exist in teardown block.
- Also checked that all other places where we have used
`ActiveRecord::SchemaMigration.delete_all` we have rescued it, so used
it here also. This failure was not specifically related to the test
added in this PR but to overall compatibility migration tests, so
adding as separate commit.
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Fix `assert_in_delta` test failure
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`assert_in_delta` in `timestamp_test.rb` causes an intermittent test
failure. It looks like that caused by subseconds truncation in MySQL 5.5.
Example:
```
1) Failure:
TimestampTest#test_touching_many_attributes_updates_them [/home/travis/build/rails/rails/activerecord/test/cases/timestamp_test.rb:125]:
Expected |2016-02-06 09:22:10 +0000 - 2016-02-06 09:22:09 UTC| (1.000837185) to be <= 1.
```
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Fix NoMethodError preparable for Arel::Visitors::PostgreSQL
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is falsy
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Add test cases about MySQL ORDER BY FIELD()
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Add assertions to MySQL `ORDER BY FIELD()` with empty data.
These tests examine to sanitize `ORDER BY FIELD()` with empty data
appropriately.
```ruby
Tag.order(['field(id, ?)', []]).to_sql
# => SELECT "tags".* FROM "tags" ORDER BY field(id, NULL)
Tag.order(['field(id, ?)', nil]).to_sql
# => SELECT "tags".* FROM "tags" ORDER BY field(id, NULL)
```
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Mutating the result of Relation#to_a should not affect the relation
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Clarifying this separation and enforcing relation immutability is the
culmination of the previous efforts to remove the mutator method
delegations.
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fix typo
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Fixes #23645
When you're using an `attr_accessor` for a record instead of an
attribute in the database there's no way for the record to know if it
has `changed?` unless you tell it `attribute_will_change!("attribute")`.
The change made in 27aa4dd updated validations to check if a record was
`changed?` or `marked_for_destruction?` or not `persisted?`. It did not
take into account virtual attributes that do not affect the model's
dirty status.
The only way to fix this is to always validate the record if the
attribute does not belong to the set of attributes the record expects
(in `record.attributes`) because virtual attributes will not be in that
hash.
I think we should consider deprecating this particular behavior in the
future and requiring that the user mark the record dirty by noting that
the virtual attribute will change. Unfortunately this isn't easy because
we have no way of knowing that you did the "right thing" in your
application by marking it dirty and will get the deprecation warning
even if you are doing the correct thing.
For now this restores expected behavior when using a virtual attribute
by always validating the record, as well as adds tests for this case.
I was going to add the `!record.attributes.include?(attribute)` to the
`should_validate?` method but `uniqueness` cannot validate a virtual
attribute with nothing to hold on to the attribute. Because of this
`should_validate?` was about to become a very messy method so I decided
to split them up so we can handle it specifically for each case.
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habtm join tables commonly have two id columns and it's OK to make those
two id columns a primary key. This commit eliminates the warnings for
join tables that have this setup.
ManageIQ/manageiq#6713
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phuibonhoa/phuibonhoa/polymorphic_where_multiple_types
Fixed `where` for polymorphic associations when passed an array containing different types.
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different types.
When passing in an array of different types of objects to `where`, it would only take into account the class of the first object in the array.
PriceEstimate.where(estimate_of: [Treasure.find(1), Car.find(2)])
# => SELECT "price_estimates".* FROM "price_estimates"
WHERE ("price_estimates"."estimate_of_type" = 'Treasure' AND "price_estimates"."estimate_of_id" IN (1, 2))
This is fixed to properly look for any records matching both type and id:
PriceEstimate.where(estimate_of: [Treasure.find(1), Car.find(2)])
# => SELECT "price_estimates".* FROM "price_estimates"
WHERE (("price_estimates"."estimate_of_type" = 'Treasure' AND "price_estimates"."estimate_of_id" = 1)
OR ("price_estimates"."estimate_of_type" = 'Car' AND "price_estimates"."estimate_of_id" = 2))
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