| Commit message (Collapse) | Author | Age | Files | Lines |
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The `find_each`, `find_in_batches` and `in_batches` APIs usually operate
on large numbers of records, where it's preferable not to load them all
into memory at once.
If the query cache is enabled, it will hold onto the query results until
the end of the execution context (request/job), which means the memory
used is still proportional to the total number of records. These queries
are typically not repeated, so the query cache isn't desirable here.
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This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing
changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
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Active Record doesn't rely delegating to `arel` in the internal since
425f2ca. The delegation is a lower priority than delegating to `klass`,
so it is pretty unclear which method is delegated to `arel`.
For example, `bind_values` method was removed at b06f64c (a series of
changes https://github.com/rails/rails/compare/79f71d3...b06f64c). But a
relation still could respond to the method because `arel` also have the
same named method (#28976).
Removing the delegation will achieve predictable behavior.
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Remove unused defined association
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`belongs_to :developer` on `Comment` model was added in 431f8e0 but it
is unused.
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If casted value is nil, generated SQL should be `IS NULL`. But currently
it is generated as `= NULL`. To prevent this behavior, avoid making bind
param if casted value is nil.
Fixes #28945.
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Delegate `ast` and `locked` to `arel` explicitly
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Currently `ast` and `locked` are used in the internal but delegating to
`arel` is depend on `method_missing`. If a model class is defined these
methods, `select_all` will be broken.
It should be delegated to `arel` explicitly.
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This was added at #22125 but `left_joins_values` is never used.
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`DelegationTest#call_method` is no longer used since 9d79334a.
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These are used in tests from anywhere.
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This change reverted in eac6f369 but it is needed for data integrity.
See #25328.
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mtsmfm/disable-referential-integrity-without-superuser-privilege-take-2"
This reverts commit c1faca6333abe4b938b98fedc8d1f47b88209ecf, reversing
changes made to 8c658a0ecc7f2b5fc015d424baf9edf6f3eb2b0b.
See https://github.com/rails/rails/pull/27636#issuecomment-297534129
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\Z was a mistake of \z. Replace \Z to \z to prevent newly \Z added.
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The issue #20802 has been fixed in cc0b566.
Closes #20802.
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privileges (take 2)
Re-create https://github.com/rails/rails/pull/21233
eeac6151a5 was reverted (127509c071b4) because it breaks tests.
----------------
ref: 72c1557254
- We must use `authors` fixture with `author_addresses` because of its foreign key constraint.
- Tests require PostgreSQL >= 9.4.2 because it had a bug about `ALTER CONSTRAINTS` and fixed in 9.4.2.
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because Struct.new returns a Class, we just can give it a name and use it directly without inheriting from it
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Actually, private methods cannot be called with `self.`, so it's not just redundant, it's a bad habit in Ruby
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mtsmfm/disable-referential-integrity-without-superuser-privileges"
This reverts commit eeac6151a55cb7d5f799e1ae33aa64a839cbc3aa, reversing
changes made to 5c40239d3104543e70508360d27584a3e4dc5baf.
Reason: Broke the isolated tests.
https://travis-ci.org/rails/rails/builds/188721346
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mtsmfm/disable-referential-integrity-without-superuser-privileges
Use `SET CONSTRAINTS` for `disable_referential_integrity` without superuser privileges
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privileges
ref: 72c1557254
- We must use `authors` fixture with `author_addresses` because of its foreign key constraint.
- Tests require PostgreSQL >= 9.4.2 because it had a bug about `ALTER CONSTRAINTS` and fixed in 9.4.2.
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assert [1, 3].includes?(2) fails with unhelpful "Asserting failed" message
assert_includes [1, 3], 2 fails with "Expected [1, 3] to include 2" which makes it easier to debug and more obvious what went wrong
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"models/comment"`
to address BasicsTest#test_readonly_attributes failure #26368
It reproduces only when both of these conditions are satisfied:
- Other test files `autosave_association_test.rb` or `where_test.rb`
which executes `require "models/comment"` then `require "models/post"`
- When `autosave_association_test.rb` or `where_test.rb` executed before `base_test.rb`
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If handled as an associated predicate even though a table has the
column, will generate invalid SQL by valid column name treated as a
table name.
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Style/SpaceBeforeBlockBraces
Style/SpaceInsideBlockBraces
Style/SpaceInsideHashLiteralBraces
Fix all violations in the repository.
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test cases
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The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.
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- The negative scenario test case was missing earlier.
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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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AR::Relation#or
- Previously it used to show error message
<"undefined method `limit_value' for {:title=>\"Rails\"}:Hash">
- Now it shows following error message.
>> Post.where.not(name: 'DHH').or(name: 'Tenderlove')
ArgumentError: You have passed Hash object to #or. Pass an ActiveRecord::Relation object instead.
- Fixes #23714.
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This still isn't as separated as I'd like, but it at least moves most of
the burden of alias mapping in one place.
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The code that set the from clause was removed in
bdc5141652770fd227455681cde1f9899f55b0b9. I did not give any reason for
doing so. My assumption was that I intended to change it to use the
clause objects, but forgot. We appeared to not have test coverage for
this case.
Fixes #22996
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When you are using scopes and you chaining these scopes it is hard to
know which are the values that are incompatible. This way you can read
the message and know for which values you need to look for.
[Herminio Torres]
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This reverts commit 5d41cb3bfd6b19833261622ce5d339b1e580bd8b.
This implementation does not properly handle cases involving predicates
which are not associated with a bind param. I have the fix in mind, but
don't have time to implement just yet. It will be more similar to #22823
than not.
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While the predicates are an arel equality node where the left side is a
full arel attribute, the binds just have the name of the column and
nothing else. This means that while splitting the predicates can include
the table as a factor, the binds cannot. It's entirely possible that we
might be able to have the bind params carry a bit more information (I
don't believe the name is used for anything but logging), and that is
probably a worthwhile change to make in the future.
However the simplest (and likely slightly faster) solution is to simply
use the indices of the conflicts in both cases. This means that we only
have to compute the collision space once, instead of twice even though
we're doing an additional array iteration. Regardless, this method isn't
a performance hotspot.
Close #22823.
[Ben Woosley & Sean Griffin]
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It appears that I missed this one when I delegated all the non-mutation
array methods that were not on Enumerable
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