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Require explicit counter_cache option for has_many
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Assert that counter_cache behaviour is not used on belongs_to or
has_many associations if the option is not given explicitly.
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Previously has_many associations assumed a counter_cache was to be used
based on the presence of an appropriately named column. This is
inconsistent, since the inverse belongs_to association will not make
this assumption. See issues #19042 #8446.
This commit checks for the presence of the counter_cache key in the
options of either the has_many or belongs_to association as well as
ensuring that the *_count column is present.
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Prevent duplicating `where` clauses
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class
Fixes #19528
fix for mysql2 test
better test
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Closes #21201.
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As described in the "Follow Coding Conventions" section in our
contribution guide (http://edgeguides.rubyonrails.org/contributing_to_ruby_on_rails.html#follow-the-coding-conventions)
we favor `assert_not` over `refute`.
While we don't usually make stylistic changes on it's own I opted to do
it in this case. The reason being that test cases are usually copied as
a starting point for new tests. This results in a spread of `refute` in
files that have been using it already.
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If the through class has default scopes we should skip the statement
cache.
Closes #20745.
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[ci skip] Fix rdoc markup
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`+` doesn't work around content with spaces fallback `<tt>`.
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[ci skip] Fix the indentation
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Add method to run command-line db apps
Conflicts:
activerecord/CHANGELOG.md
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- Added run_cmd() class method to dry up Kernel.system() messages within
this namespace and avoid shell expansion by passing a list of
arguments instead of a string
- Update structure_dump, structure_load, and related tests units to
pass a list of params instead of using a string to
avoid shell expansion
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use correct DB connection for generated HABTM table
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This includes the following classes:
- ActiveModel::Serializers::Xml
- ActiveRecord::Serialization::XmlSerializer
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`in_batches` yields Relation objects if a block is given, otherwise it
returns an instance of `BatchEnumerator`. The existing `find_each` and
`find_in_batches` methods work with batches of records. The new API
allows working with relation batches as well.
Examples:
Person.in_batches.each_record(&:party_all_night!)
Person.in_batches.update_all(awesome: true)
Person.in_batches.delete_all
Person.in_batches.map do |relation|
relation.delete_all
sleep 10 # Throttles the delete queries
end
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Use memoization for collection associations ids reader
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Fixes #21082
remove extra space
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Because `info[:version]` is a client version, the server version is
`server_info[:version]`.
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encapsulate all arguments
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PostgreSQL is strict about the usage of `DISTINCT` and `ORDER BY`, which
one of the tests demonstrated. The order clause is never going to be
relevant in the query we're performing, so let's just remove it
entirely.
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Add #cache_key to ActiveRecord::Relation.
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When a symbol is passed in, we call `to_s` on it which allocates a string. The two hardcoded symbols that are used internally are `:to_partial_path` and `:to_model`.
This change buys us 71,136 bytes of memory and 1,777 fewer objects per request.
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Fix misleading errors for has_one through relations
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This is an alternate implementation of #20966.
[Sean Griffin & presskey]
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Deep down in the association internals, we're calling `destroy!` rather
than `destroy` when handling things like `dependent` or autosave
association callbacks. Unfortunately, due to the structure of the code
(e.g. it uses callbacks for everything), it's nearly impossible to pass
whether to call `destroy` or `destroy!` down to where we actually need
it.
As such, we have to do some legwork to handle this. Since the callbacks
are what actually raise the exception, we need to rescue it in
`ActiveRecord::Callbacks`, rather than `ActiveRecord::Persistence` where
it matters. (As an aside, if this code wasn't so callback heavy, it
would handling this would likely be as simple as changing `destroy` to
call `destroy!` instead of the other way around).
Since we don't want to lose the exception when `destroy!` is called (in
particular, we don't want the value of the `record` field to change to
the parent class), we have to do some additional legwork to hold onto it
where we can use it.
Again, all of this is ugly and there is definitely a better way to do
this. However, barring a much more significant re-architecting for what
I consider to be a reletively minor improvement, I'm willing to take
this small hit to the flow of this code (begrudgingly).
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arunagw/aa-remove-unused-rule-and-task-activerecord
Remove unused rule and task from activerecord
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this fixes a failing test case
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The note regarding the `_prefix` and `_suffix` options is no longer
useful since they were renamed specifically for this purpose.
Also the given example doesn't show what these options enable and in
which case they are really useful (when there are conflicting values
for instance).
Refs #20999.
[Godfrey Chan & Robin Dupret]
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This makes it more clear that they are reserved keywords and also it
seems less redundant as the line already starts with the call to the
`enum` method.
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Documentation had extra colon after keyword.
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ActiveRecord::RecordNotFound modified to store model name, primary_key
and id of the caller model. It allows the catcher of this exception to make
a better decision to what to do with it. For example consider this simple
example:
class SomeAbstractController < ActionController::Base
rescue_from ActiveRecord::RecordNotFound, with: :redirect_to_404
private def redirect_to_404(e)
return redirect_to(posts_url) if e.model == 'Post'
raise
end
end
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Previously `has_one` and `has_many` associations were using the
`one` and `many` keys respectively. Both of these keys have special
meaning in I18n (they are considered to be pluralizations) so by
renaming them to `has_one` and `has_many` we make the messages more
explicit and most importantly they don't clash with linguistical
systems that need to validate translation keys (and their
pluralizations).
The `:'restrict_dependent_destroy.one'` key should be replaced with
`:'restrict_dependent_destroy.has_one'`, and
`:'restrict_dependent_destroy.many'` with
`:'restrict_dependent_destroy.has_many'`.
[Roque Pinel & Christopher Dell]
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support it. Fixes #19711
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This clears the transaction record state when the transaction finishes
with a `:committed` status.
Considering the following example where `name` is a required attribute.
Before we had `new_record?` returning `true` for a persisted record:
```ruby
author = Author.create! name: 'foo'
author.name = nil
author.save # => false
author.new_record? # => true
```
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