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consistency.
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consistency.
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This commit needs to be reverted because it introduces difficulties when
using sqlite3 in development and other databases in production. This
happens because when you create time column in sqlite3, it's dumped as
datetime in schema.rb file.
This reverts commit 57d534ee9e441d078fcc161c0c78ebaa5aacd736, reversing
changes made to 20f049fb50daee0c5e5a69b55b529af5737e8e3f.
Conflicts:
activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
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Execute_grouped_calculation is one of those places where
ActiveRecord forgets that it has ARel underpinnings, and
assumes that the values provided to group_values are
strings. This artificially hobbles otherwise functional
code. This patch stops assuming that incoming values
respond to to_sym, stops using string interpolation for
table aliases on objects that support aliasing, and stops
unnecessarily joining group_values on the relation.
Additionally, it calls to_sql, if available, on objects
sent to column_alias_for, in order to get a more reasonable
alias string than a non-string's default to_str method.
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This patch addresses the difficulty of retrieving datetime fields. By default, the database holds a higher precision than the time as a String.
This issue is discussed at length at the following links:
- [#3519](https://github.com/rails/rails/issues/3519)
- [#3520](https://github.com/rails/rails/issues/3520)
Also, kudos to @mattscilipoti
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Dynamic finders for aliased attributes
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previously dynamic finders only worked in combination with the actual
column name and not its alias defined with #alias_attribute
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Ensure it works with mix of symbols and strings, and with a select
clause possibly containing more than one column.
Also remove support for pluck with an array of columns, in favor of
passing the list of attributes:
Model.pluck(:a, :b)
See comments: https://github.com/rails/rails/pull/6500#issuecomment-6030292
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When generating xml with a custom implementation of serializable_hash,
if using the :except option, it was being overriden by the default AR
implementation that attempts to ignore the inheritance column from STI
automatically. So, if you have an implementation like this:
def serializable_hash(options={})
super({ except: %w(some_attr) }.merge!(options))
end
The :except option was correctly being used for :json generation, but
not for :xml, because the options hash already contained the :except
key with the inheritance column, thus overriding the customization.
This commit fixes this problem by removing the :except logic from the
xml serializer, that happened before calling serializable_hash. Since
serializable_hash also does the same check for inheritance column, this
logic was duplicated in both places, thus it's safe to remove it from
xml serializer (see ActiveRecord::Serialization#serializable_hash).
This is an attempt to solve issue #2498, that claims for a
"Single transformation API for both xml and json representations".
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Improve the derivation of HABTM join table name to take account of nesting.
It now takes the table names of the two models, sorts them lexically and
then joins them, stripping any common prefix from the second table name.
Some examples:
Top level models
(Category <=> Product)
Old: categories_products
New: categories_products
Top level models with a global table_name_prefix
(Category <=> Product)
Old: site_categories_products
New: site_categories_products
Nested models in a module without a table_name_prefix method
(Admin::Category <=> Admin::Product)
Old: categories_products
New: categories_products
Nested models in a module with a table_name_prefix method
(Admin::Category <=> Admin::Product)
Old: categories_products
New: admin_categories_products
Nested models in a parent model
(Catalog::Category <=> Catalog::Product)
Old: categories_products
New: catalog_categories_products
Nested models in different parent models
(Catalog::Category <=> Content::Page)
Old: categories_pages
New: catalog_categories_content_pages
Also as part of this commit the validity checks for HABTM assocations have
been moved to ActiveRecord::Reflection One side effect of this is to move when
the exceptions are raised from the point of declaration to when the association
is built. This is consistant with other association validity checks.
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delete *column* because is unused by the method.
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Refactor db:structure:load task.
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Fix GH #4259. When we execute schema dumper, we must remove table_name_prefix and table_name_suffix.
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we execute schema dumper.
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Also use if/else block to not use short circuit return
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Fix #5990
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In a similar vein to Pat's work on create, drop etc, the db:charset
task is now a one liner in databases.rake
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This happens when A has_many many B and A accepts_nested_attributes B that has a numeric colum
with initial 0 value. So a.update_attributes({:b_attributes => { :id => b.id, :numeric => 'foo' }})
passes the validation test but, the value of :numeric doesn't change.
his commit forces that the update fails with the above conditions.
Fixes #6393
Fixes #2331
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This allows you to retrieve the list of attributes you've defined.
Usable for e.g. selects in the view, or interators based on the
attributes you wish to store in the serialized column.
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This feature adds a lot of complication to ActiveRecord for dubious
value. Let's talk about what it does currently:
class Customer < ActiveRecord::Base
composed_of :balance, :class_name => "Money", :mapping => %w(balance amount)
end
Instead, you can do something like this:
def balance
@balance ||= Money.new(value, currency)
end
def balance=(balance)
self[:value] = balance.value
self[:currency] = balance.currency
@balance = balance
end
Since that's fairly easy code to write, and doesn't need anything
extra from the framework, if you use composed_of today, you'll
have to add accessors/mutators like that.
Closes #1436
Closes #2084
Closes #3807
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Closes #6697
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Based on examples seen in the Rails test suite. [ci skip]
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Get logic out of db rake tasks, and into classes and objects
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