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Fix grammar in Caching with Rails docs
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Fix bug in ActionMailer guide.
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When setting a mailer's default from address, you have to pass a hash
with a `:from` key; you can't pass just an email address.
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Add support for Reply-To field in mail_to helper
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Removed unused parameter to cookie serialize method
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same elsewhere
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M7/docs-active_record-update_query_method_docs_with_full_description
Describe full behaviour of Active Record's attribute query methods
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value is present. [ci skip]
The way Active Record query methods handle numeric values is a special case, and is not part of Rails's standard definition of present. This update attempts to make this more clear in the docs, so that people don't expect Object#present? to return false if used on a number that is zero.
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Update Active Record's attribute query methods documentation to clarify that whether an attribute is present is based on Object#present?. This gives people a place to go see what the exact definition of presence is. [ci skip]
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full behaviour. [ci skip]
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References #18148.
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Remove unneeded special case to calculate size for has_many :through
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All cases are properly handled in CollectionAssociation
for all subclasses of this association
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[ci skip]
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We were ignoring the `default_value?` escape clause in the serialized
type, which caused the default value to always be treated as changed.
Fixes #18169
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The code for `TableDefinition#references` and
`SchemaStatements#add_reference` were almost identical both
structurally, and in terms of domain knowledge. This removes that
duplication into a common class, using the `Table` API as the expected
interface of its collaborator.
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This isn't Seattle.rb, @senny. ;)
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Fix connection leak when a thread checks in additional connections.
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The code in `ConnectionPool#release` assumed that a single thread only
ever holds a single connection, and thus that releasing a connection
only requires the owning thread_id.
There is a trivial counterexample to this assumption: code that checks
out additional connections from the pool in the same thread. For
instance:
connection_1 = ActiveRecord::Base.connection
connection_2 = ActiveRecord::Base.connection_pool.checkout
ActiveRecord::Base.connection_pool.checkin(connection_2)
connection_3 = ActiveRecord::Base.connection
At this point, connection_1 has been removed from the
`@reserved_connections` hash, causing a NEW connection to be returned as
connection_3 and the loss of any tracking info on connection_1. As long
as the thread in this example lives, connection_1 will be inaccessible
and un-reapable. If this block of code runs more times than the size of
the connection pool in a single thread, every subsequent connection
attempt will timeout, as all of the available connections have been
leaked.
Reverts parts of 9e457a8654fa89fe329719f88ae3679aefb21e56 and
essentially all of 4367d2f05cbeda855820e25a08353d4b7b3457ac
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Remove block from super
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Here you go, @senny. :grin:
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Add information about "allow_destroy" requiring an ID. [ci skip]
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I just wasted an absurd amount of time trying to figure out why my model
wasn't being deleted even though I was setting `_destroy` to true like
the instructions said. Making the documentation a little bit clear so
that someone like me doesn't waste their time in future.
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Conflicts:
activerecord/CHANGELOG.md
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Fixing numeric attrs when set to same negative value
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This bug occurs when an attribute of an ActiveRecord model is an
ActiveRecord::Type::Integer type or a ActiveRecord::Type::Decimal type (or any
other type that includes the ActiveRecord::Type::Numeric module. When the value
of the attribute is negative and is set to the same negative value, it is marked
as changed.
Take the following example of a Person model with the integer attribute age:
class Person < ActiveRecord::Base
# age :integer(4)
end
The following will produce the error:
person = Person.new(age: -1)
person.age = -1
person.changes
=> { "age" => [-1, -1] }
person.age_changed?
=> true
The problematic line is here:
module ActiveRecord
module Type
module Numeric
...
def non_numeric_string?(value)
# 'wibble'.to_i will give zero, we want to make sure
# that we aren't marking int zero to string zero as
# changed.
value.to_s !~ /\A\d+\.?\d*\z/
end
end
end
end
The regex match doesn't accept numbers with a leading '-'.
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fix typo in nodoc [ci skip]
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Describe gotcha for 'status' option [ci skip]
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Better tests for AV::RecordIdentifier
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This commit intends to clarify the scope of ActionView::RecordIdentifier
methods `dom_id` and `dom_class`.
Most of the current documentation comes from da257eb8 (7 years ago) when
the decoupling of ActionView, ActiveRecord and ActiveModel was not a concern.
Since then, steps have been taken to reach such decoupling.
Therefore I think it's important to show that ActionView::RecordIdentifier
**does not strictly depend on the ActiveRecord API**:
any class `Post` implementing `post.to_key` and `post.model_name.param_key`
will work.
This commit adds a test to prove that ActionView::RecordIdentifier methods
can also be used on objects that do not subclass ActiveRecord::Base.
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Do not use line breaks on notes [ci skip]
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References #18138
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`ActiveRecord::Base#[]` has overhead that was introduced in 4.2. The
`foo["id"]` working with PKs other than ID isn't really a case that we
want to support publicly, but deprecating was painful enough that we
avoid it. `_read_attribute` was introduced as the faster alternative for
use internally. By using that, we can save a lot of overhead. We also
save some overhead by reading the attribute one fewer times in
`stale_state`.
Fixes #18151
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If there is a method defined such as `find_and_do_stuff(id)`, which then
gets called on an association, we will perform statement caching and the
parent ID will not change on subsequent calls.
Fixes #18117
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Calling `changed_attributes` will ultimately check if every mutable
attribute has changed in place. Since this gets called whenever an
attribute is assigned, it's extremely slow. Instead, we can avoid this
calculation until we actually need it.
Fixes #18029
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