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path: root/activerecord/test/cases/calculations_test.rb
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* Fix AC::Parameters not being sanitized for query methods.Guo Xiang Tan2015-10-021-0/+32
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* Use `Enumerable#sum` on `ActiveRecord::Relation` when a block is givenSean Griffin2015-06-191-0/+10
| | | | | | | | This matches our behavior in other cases where useful enumerable methods might have a different definition in `Relation`. Wanting to actually enumerate over the records in this case is completely reasonable, and wanting `.sum` is reasonable for the same reason it is on `Enumerable` in the first place.
* Fix postgresql DISTINCT requirement in pluck testKevin Deisz2015-06-021-2/+2
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* Allow Enumerable#pluck to take a splat.Kevin Deisz2015-05-291-0/+21
| | | | | | This allows easier integration with ActiveRecord, such that AR#pluck will now use Enumerable#pluck if the relation is loaded, without needing to hit the database.
* deprecate `Relation#uniq` use `Relation#distinct` instead.Yves Senn2015-05-261-3/+6
| | | | | | | | | See #9683 for the reasons we switched to `distinct`. Here is the discussion that triggered the actual deprecation #20198. `uniq`, `uniq!` and `uniq_value` are still around. They will be removed in the next minor release after Rails 5.
* Fix referencing wrong aliases while joining tables of has many throughpinglamb2015-03-221-0/+11
| | | | | | | | | | | association While joining table of has_many :through association, ActiveRecord will use the actual table name instead of through-join alias. It results with a wrong SQL and exception is raised. This only happens when calculation methods like #count is called. This issue is affecting Rails 4.1.x and 4.2.x as well.
* Allow a symbol to be passed to `attribute`, in place of a type objectSean Griffin2015-02-061-3/+3
| | | | | | | | | | | | | | | | | | The same is not true of `define_attribute`, which is meant to be the low level no-magic API that sits underneath. The differences between the two APIs are: - `attribute` - Lazy (the attribute will be defined after the schema has loaded) - Allows either a type object or a symbol - `define_attribute` - Runs immediately (might get trampled by schema loading) - Requires a type object This was the last blocker in terms of public interface requirements originally discussed for this feature back in May. All the implementation blockers have been cleared, so this feature is probably ready for release (pending one more look-over by me).
* Don't error when grouped calculations return 0 recordsSean Griffin2015-01-281-0/+5
| | | | Fixes #18717
* Add test case for joined pluckSean Griffin2014-12-111-0/+7
| | | | https://github.com/rails/rails/commit/39542fba54328ca048fb75a5d5b37f8e1d4c1f37#commitcomment-8938379
* Improve the test case introduced by bd0d47eSean Griffin2014-12-111-19/+10
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* Fix ProtocolViolation/bind message supplies for polymorphic + pluck or groupMiklos Fazkeas2014-12-111-0/+24
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* Don't require calculations to be aliased to a columnSean Griffin2014-10-311-1/+0
| | | | | | | Arel has changed so that `.sum` no longer aliases `SUM(the_column)` to `sum_id`. This means the type returned by the adapter will be at the key `"SUM(the_column)"`. Longer term, we should eventually be able to retain type information from the AR::Base subclasses used in joined queries
* Move association definition to the model fileAkira Matsuda2014-08-281-2/+0
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* Be sure that test fixtures satisfy referential integrity before calculatingAkira Matsuda2014-08-281-1/+1
| | | | | | | There exists some other test files that load :minivans fixtures but don't load :speedometers. Loading :speedometers here prevents the following error when this test was run after such test: CalculationsTest#test_should_group_by_association_with_non_numeric_foreign_key: ActiveRecord::RecordNotFound: Couldn't find all Speedometers with 'speedometer_id': (ABC, s1) (found 1 results, but was looking for 2)
* Don't use `Column` for type casting in Relation calculationsSean Griffin2014-06-181-5/+0
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* Pluck should work with columns of the same name from different tablesSean Griffin2014-06-111-0/+7
| | | | | | | | The column name given by the adapter doesn't include the table namespace, so going through the hashed version of the result set causes overridden keys. Fixes #15649
* Rename `property` to `attribute`Sean Griffin2014-06-071-3/+3
| | | | For consistency with https://github.com/rails/rails/pull/15557
* Deprecate decimal columns being automatically treated as integersSean Griffin2014-05-271-0/+4
| | | | | | With ActiveRecord::Properties, we now have a reasonable path for users to continue to keep this behavior if they want it. This is an edge case that has added a lot of complexity to the code base.
* Ignore order when doing count.Lauro Caetano2014-04-071-0/+14
| | | | | | | This is necessary because Postgresql doesn't play nice with ORDER BY and no GROUP BY. Fixes #14621.
* Ensure AR #second, #third, etc. finders work through associationsJason Meller2014-01-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit fixes two regressions introduced in cafe31a078 where newly created finder methods #second, #third, #forth, and #fifth caused a NoMethodError error on reload associations and where we were pulling the wrong element out of cached associations. Examples: some_book.authors.reload.second # Before # => NoMethodError: undefined method 'first' for nil:NilClass # After # => #<Author id: 2, name: "Sally Second", ...> some_book.first.authors.first some_book.first.authors.second # Before # => #<Author id: 1, name: "Freddy First", ...> # => #<Author id: 1, name: "Freddy First", ...> # After # => #<Author id: 1, name: "Freddy First", ...> # => #<Author id: 2, name: "Sally Second", ...> Fixes #13783.
* Ensure #second acts like #first AR finderJason Meller2014-01-201-8/+10
| | | | | | | | | | | | This commit bring the famous ordinal Array instance methods defined in ActiveSupport into ActiveRecord as fully-fledged finders. These finders ensure a default ascending order of the table's primary key, and utilize the OFFSET SQL verb to locate the user's desired record. If an offset is defined in the query, calling #second adds to the offset to get the actual desired record. Fixes #13743.
* Fix type cast on group sum with custom expressionPaul Nikitochkin2013-12-101-0/+4
| | | | | | | | For PG adapters with custom expression and grouped result of aggregate functions have not found correct column type for it. Extract column type from query result. Closes: #13230
* Change test_registering_new_handlers and test_count_on_invalid_columns_raisesYasuo Honda2013-08-021-1/+1
| | | | | tesetcases assertion to case insensitive because Oracle database adapter handles table name in uppercase.
* Remove deprecated `:distinct` option from `Relation#count`.Yves Senn2013-07-011-10/+0
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* Remove fall back and column restrictions for `count`.Yves Senn2013-06-091-0/+9
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* Merge pull request #10561 from Empact/nix-throwresultJon Leighton2013-06-071-0/+11
|\ | | | | Rather than raising ThrowResult when construct_limited_ids_conditions comes up empty, set the relation to NullRelation and rely on its results.
| * Add coverage for the fact that pluck without an argument returns all the ↵Ben Woosley2013-05-101-0/+5
| | | | | | | | table's columns.
| * Fix that #pluck wasn't rescuing ThrowResult, meaning it would blow up when ↵Ben Woosley2013-05-101-0/+6
| | | | | | | | failing to construct_limited_ids_condition.
* | Remove #sum with a block was deprecated.kennyj2013-06-011-6/+0
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* Handle aliased attributes in ActiveRecord::Relation.Godfrey Chan2013-05-011-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | When using symbol keys, ActiveRecord will now translate aliased attribute names to the actual column name used in the database: With the model class Topic alias_attribute :heading, :title end The call Topic.where(heading: 'The First Topic') should yield the same result as Topic.where(title: 'The First Topic') This also applies to ActiveRecord::Relation::Calculations calls such as `Model.sum(:aliased)` and `Model.pluck(:aliased)`. This will not work with SQL fragment strings like `Model.sum('DISTINCT aliased')`. Github #7839 *Godfrey Chan*
* replace #merge with relation API calls in calculations_test.Yves Senn2013-04-021-17/+13
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* Deprecate the `:distinct` option for `Relation#count`.Yves Senn2013-03-151-4/+14
| | | | | | | We moved more and more away from passing options to finder / calculation methods. The `:distinct` option in `#count` was one of the remaining places. Since we can now combine `Relation#distinct` with `Relation#count` the option is no longer necessary and can be deprecated.
* rename `Relation#uniq` to `Relation#distinct`. `#uniq` still works.Yves Senn2013-03-151-1/+2
| | | | | | | | The similarity of `Relation#uniq` to `Array#uniq` is confusing. Since our Relation API is close to SQL terms I renamed `#uniq` to `#distinct`. There is no deprecation. `#uniq` and `#uniq!` are aliases and will continue to work. I also updated the documentation to promote the use of `#distinct`.
* `#count` in conjunction with `#uniq` performs distinct count.Yves Senn2013-01-261-0/+4
| | | | closes #6865
* fix PG typecasting errorsAaron Patterson2012-12-281-20/+7
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* Deprecate Relation#sum with a block.Carlos Antonio da Silva2012-11-211-2/+4
| | | | | | | To perform a sum calculation over the array of elements, use to_a.sum(&block). Please check the discussion in f9cb645dfcb5cc89f59d2f8b58a019486c828c73 for more context.
* Revert "Yield only one argument instead of splatting."Carlos Antonio da Silva2012-11-211-16/+0
| | | | | | | | | | | | | | This reverts commit f9cb645dfcb5cc89f59d2f8b58a019486c828c73. Conflicts: activerecord/CHANGELOG.md Revert "Allow blocks for count with ActiveRecord::Relation. Document and test that sum allows blocks" This reverts commit 9cc2bf69ce296b7351dc612a8366193390a305f3. Conflicts: activerecord/lib/active_record/relation/calculations.rb
* `#pluck` can be used on a relation with `select` clause.Yves Senn2012-11-121-0/+6
| | | | Closes #7551
* remove unused variables. Oops!Aaron Patterson2012-10-171-2/+2
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* use columns hash to look up the column for the count fieldAaron Patterson2012-10-171-13/+6
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* ActiveRecord: sum expression returns string '0' for no records, fixedTim Macfarlane2012-10-151-0/+4
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* Fix pluck when columns/tables are reserved words.Ian Lesperance2012-09-051-2/+9
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* Remove ActiveRecord::Base.to_aJon Leighton2012-08-031-1/+1
| | | | | On reflection, it seems like a bit of a weird method to have on ActiveRecord::Base, and it shouldn't be needed most of the time anyway.
* Deprecate ActiveRecord::Base.scoped.Jon Leighton2012-07-271-13/+13
| | | | | | | It doesn't serve much purpose now that ActiveRecord::Base.all returns a Relation. The code is moved to active_record_deprecated_finders.
* ActiveRecord::Base.all returns a Relation.Jon Leighton2012-07-271-1/+1
| | | | | | | | | | | Previously it returned an Array. If you want an array, call e.g. `Post.to_a` rather than `Post.all`. This is more explicit. In most cases this should not break existing code, since Relations use method_missing to delegate unknown methods to #to_a anyway.
* Deprecate update_column in favor of update_columns.Rafael Mendonça França2012-07-241-2/+2
| | | | Closes #1190
* teaching the mysql adapter how to typecast strings returned from the databaseAaron Patterson2012-07-131-2/+2
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* Ensure Arel columns are typecasted properly when grouping with calculationCarlos Antonio da Silva2012-06-251-3/+7
| | | | Fix build issue with postgresql.
* Stop assuming strings for grouped calculationsErnie Miller2012-06-241-0/+5
| | | | | | | | | | | | | | | 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.
* Refactor pluck with multiple columnsCarlos Antonio da Silva2012-06-221-10/+16
| | | | | | | | | | | | 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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