| Commit message (Collapse) | Author | Age | Files | Lines |
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[ci skip]
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We added a comparison to "id", and call to `self.class.primary_key` a
*lot*. We also have performance hits from `&block` all over the place.
We skip the check in a new method, in order to avoid breaking the
behavior of `read_attribute`
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This patch uniformizes warning messages. I used the most common style
already present in the code base:
* Capitalize the first word.
* End the message with a full stop.
* "Rails 5" instead of "Rails 5.0".
* Backticks for method names and inline code.
Also, converted a few long strings into the new heredoc convention.
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let warn with heredocs
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The current style for warning messages without newlines uses
concatenation of string literals with manual trailing spaces
where needed.
Heredocs have better readability, and with `squish` we can still
produce a single line.
This is a similar use case to the one that motivated defining
`strip_heredoc`, heredocs are super clean.
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that the conflict could be because of a conflicting attribute.
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Closes #16684.
This is achieved by always generating `GeneratedAssociationMethods` when
`ActiveRecord::Base` is subclassed. When some of the included modules
of `ActiveRecord::Base` were reordered this behavior was broken as
`Core#initialize_generated_modules` was no longer called. Meaning that
the module was generated on first access.
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Added a few more methods on Module/Class to the dangerous class methods
blacklist. (Technically, allocate and new are already protected currently because
we happen to redefine them in the current implantation.)
Closes #16792
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Using heredoc would enforce line wrapping to whatever column width we decided to
use in the code, making it difficult for the users to read on some consoles.
This does make the source code read slightly worse and a bit more error-prone,
but this seems like a fair price to pay since the primary purpose for these
messages are for the users to read and the code will not stick around for too
long.
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Fixed issue w/custom accessors + reserved name + inheritance
Conflicts:
activerecord/CHANGELOG.md
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Fixed an issue where custom accessor methods (such as those generated by
`enum`) with the same name as a global method are incorrectly overridden
when subclassing.
This was partially fixed in 4155431 then broken again by e5f15a8.
Fixes #16288.
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AttributeSet#include? -> AttributeSet#key?
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https://github.com/rails/rails/pull/15868/files#r14135210
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We already had one in the public API that people can use more easily for
the transition
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As discussed in https://github.com/plataformatec/simple_form/pull/1094,
we should not encourage usage of `columns_hash`, and instead provide an
alternate method to determine whether or not an attribute exists.
The language `attribute` was chosen over `column` since these are in the
`AttributeMethods` module.
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This is public API, and `simple_form` depends on the `nil` return value.
We need to go through a deprecation cycle to return a null object. If
people want hash access, they can access the hash.
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Mostly delegation to start, but we can start moving a lot of behavior in
bulk to this object.
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We always define attribute methods in the constructor or in `init_with`.
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There's a lot more that can be moved to these, but this felt like a good
place to introduce the object. Plans are:
- Remove all knowledge of type casting from the columns, beyond a
reference to the cast_type
- Move type_cast_for_database to these objects
- Potentially make them mutable, introduce a state machine, and have
dirty checking handled here as well
- Move `attribute`, `decorate_attribute`, and anything else that
modifies types to mess with this object, not the columns hash
- Introduce a collection object to manage these, reduce allocations, and
not require serializing the types
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Follow up to #15438 and #15502.
/cc @sgrif
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Nearly completely implemented in terms of custom properties.
`_before_type_cast` now stores the raw serialized string consistently,
which removes the need to keep track of "state". The following is now
consistently true:
- `model.serialized == model.reload.serialized`
- A model can be dumped and loaded infinitely without changing
- A model can be saved and reloaded infinitely without changing
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During `init_with`, the attributes given to the coder will be placed
into `@raw_attributes`. As such, we should read from `@raw_attributes`
when encoding, rather than `@attributes`, which has been type cast.
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`@attributes` was actually used for `_before_type_cast` and friends,
while `@attributes_cache` is the type cast version (and caching is the
wrong word there, but I'm working on removing the conditionals around
that). I opted for `@raw_attributes`, because `_before_type_cast` is
also semantically misleading. The values in said hash are in the state
given by the form builder or database, so raw seemed to be a good word.
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Bring the missing parameters back.
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Remove `Column#primary`
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It appears to have been used at some point in the past, but is no longer
used in any meaningful way. Whether a column is considered primary is
a property of the model, not the schema/column. This also removes the
need for yet another layer of caching of the model's schema, and we can
leave that to the schema cache.
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2d73f5a forces AR to enter the `define_attribute_methods` method whenever it
instantiate a record from the `init_with` entry point. This is a potential
performance hotspot, because `init_with` is called from all `find*` family
methods, and `define_attribute_methods` is slow because it tries to acquire
a lock on the mutex everytime it is entered.
By using [DCL](http://en.wikipedia.org/wiki/Double-checked_locking), we can
avoid grabbing the lock most of the time when the attribute methods are already
defined (the common case). This is made possible by the fact that reading an
instance variable is an atomic operation in Ruby.
Credit goes to Aaron Patterson for pointing me to DCL and filling me in on the
atomicity guarantees in Ruby.
[*Godfrey Chan*, *Aaron Patterson*]
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Improve documentation
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Add tests to make sure scopes cannot be create with names such as:
private, protected, public.
Make sure enum values don't collide with those methods too.
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PR #14052 Added a regression where it was only looking for methods in one
level up, So when the method was defined in a 2+ levels up the
inheritance chain, the method was not found as defined.
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conflicting private method defined on its ancestors.
The problem is that `method_defined_within?(name, klass, superklass)`
only works correclty when `klass` and `superklass` are both `Class`es.
If both `klass` and `superklass` are both `Class`es, they share the
same inheritance chain, so if a method is defined on `klass` but not
`superklass`, this method must be introduced at some point between
`klass` and `superklass`.
This does not work when `superklass` is a `Module`. A `Module`'s
inheritance chain contains just itself. So if a method is defined on
`klass` but not on `superklass`, the method could still be defined
somewhere upstream, e.g. in `Object`.
This fix works by avoiding calling `method_defined_within?` with a
module while still fufilling the requirement (checking that the
method is defined withing `superclass` but not is not a generated
attribute method).
4d8ee288 is likely an attempted partial fix for this problem. This
unrolls that fix and properly check the `superclass` as intended.
Fixes #11569.
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after loading it from YAML - fixes #13861
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Similar to dangerous attribute methods, a scope name conflict is
dangerous if it conflicts with an existing class method defined within
`ActiveRecord::Base` but not its ancestors.
See also #13389.
*Godfrey Chan*, *Philippe Creux*
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Fix AR#method_missing re-dispatching into overwritten attribute methods
Conflicts:
activerecord/lib/active_record/attribute_methods.rb
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This was happening when a `super` call in an overwritten attribute method
was triggering a method_missing fallback, because attribute methods
haven't been generated yet.
class Topic < ActiveRecord::Base
def title
# `super` would re-invoke this method if define_attribute_methods
# hasn't been called yet resulting in double '!' appending
super + '!'
end
end
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TS::Cache#compute_if_absent guarantees that only a single thread will get to execute the provided block for a given key.
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