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path: root/activerecord/lib/active_record/relation/calculations.rb
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* Deprecate the `:distinct` option for `Relation#count`.Yves Senn2013-03-151-2/+7
| | | | | | | 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 Senn2013-03-151-2/+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`.
* copy edits [ci skip]Vijay Dev2013-02-151-1/+1
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* Add ActiveRecord.count documentation when used on group relationsMaurizio De Santis2013-02-071-0/+6
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* `#count` in conjunction with `#uniq` performs distinct count.Yves Senn2013-01-261-1/+2
| | | | closes #6865
* Revert "Merge pull request #8989 from robertomiranda/use-rails-4-find-by"Guillermo Iguaran2013-01-181-1/+1
| | | | | This reverts commit 637a7d9d357a0f3f725b0548282ca8c5e7d4af4a, reversing changes made to 5937bd02dee112646469848d7fe8a8bfcef5b4c1.
* User Rails 4 find_byrobertomiranda2013-01-181-1/+1
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* These are already required through AS/railsAkira Matsuda2013-01-071-2/+0
| | | | | | * dependencies/autoload * concern * deprecation
* warning removed: shadowing outer local variableArun Agrawal2012-12-301-2/+2
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* fix time typcasting on group counts in PGAaron Patterson2012-12-281-2/+5
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* mysql does not return alias names, so fall backAaron Patterson2012-12-281-4/+10
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* fix PG typecasting errorsAaron Patterson2012-12-281-2/+5
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* Cleans and removes useless 'Examples' tag [ci skip]Alvaro Pereyra2012-12-011-7/+2
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* copy edits [ci skip]Vijay Dev2012-12-011-1/+1
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* Fix Calculations#pluck doc to mention several attributes can be selected [ci ↵Florent Guilleux2012-12-011-3/+3
| | | | skip]
* Deprecate Relation#sum with a block.Carlos Antonio da Silva2012-11-211-0/+6
| | | | | | | 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 Silva2012-11-211-14/+3
| | | | | | | | | | | | | | 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
* Remove not used require and some useless test commentsCarlos Antonio da Silva2012-11-171-2/+0
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* Merge branch 'master' of github.com:lifo/docrailsVijay Dev2012-11-171-1/+1
|\ | | | | | | | | Conflicts: actionpack/lib/action_dispatch/routing/redirection.rb
| * 1.9 Syntax related changesAvnerCohen2012-11-101-1/+1
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* | arel columns can be used for grouping so that "weird" column names are usableAaron Patterson2012-11-151-0/+4
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* | stop hardcoding FrontBase adapter conditionalsAaron Patterson2012-11-151-1/+1
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* | stop passing *args to generate aliasesAaron Patterson2012-11-151-4/+2
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* | create fewer relation objectsAaron Patterson2012-11-151-3/+6
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* | `#pluck` can be used on a relation with `select` clause.Yves Senn2012-11-121-1/+3
|/ | | | Closes #7551
* use columns hash to look up the column for the count fieldAaron Patterson2012-10-171-1/+1
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* ActiveRecord: sum expression returns string '0' for no records, fixedTim Macfarlane2012-10-151-1/+1
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* Fix pluck when columns/tables are reserved words.Ian Lesperance2012-09-051-1/+1
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* load active_support/core_ext/object/blank in active_support/railsXavier Noria2012-08-021-1/+0
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* Ensure Arel columns are typecasted properly when grouping with calculationCarlos Antonio da Silva2012-06-251-6/+6
| | | | Fix build issue with postgresql.
* Stop assuming strings for grouped calculationsErnie Miller2012-06-241-6/+17
| | | | | | | | | | | | | | | 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.
* Add changelog entry and guide updates for pluck with multiple columnsCarlos Antonio da Silva2012-06-221-0/+1
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* Refactor pluck with multiple columnsCarlos Antonio da Silva2012-06-221-26/+13
| | | | | | | | | | | | 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
* ActiveRecord#pluck now accepts multiple columnsjeroeningen2012-06-221-15/+35
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* Extract conditional to a method to avoid duplicationRafael Mendonça França2012-06-191-15/+19
| | | | Also use if/else block to not use short circuit return
* handle joins/includes correctly for pluck and calculation.Andrey Deryabin2012-06-191-1/+6
| | | | Fix #5990
* Fix wrong example for count method with block [ci skip]Carlos Antonio da Silva2012-05-311-1/+1
| | | | Thanks @splattael.
* Merge branch 'master' of github.com:lifo/docrailsVijay Dev2012-05-301-1/+1
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| * "a sql" -> "an SQL" per API documentation guidelinesMark Rushakoff2012-05-271-1/+1
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* | Yield only one argument instead of splatting.Carlos Antonio da Silva2012-05-281-2/+2
| | | | | | | | Add Changelog entry. Closes #4003
* | Allow blocks for count with ActiveRecord::Relation. Document and test that ↵chrisfinne2012-05-281-3/+14
|/ | | | sum allows blocks
* assuming there is only one column, we can simplify the type cast loopAaron Patterson2012-05-161-7/+6
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* MySQL returns "SUM(DISTINCT(credit_limit))" as the column name unlessAaron Patterson2012-05-161-4/+11
| | | | | an alias is provided. Without the alias, the column cannot be found and properly typecast.
* Fixes issue where SQL fragments prevented type casting based on column type.Erich Menge2012-05-161-8/+3
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* Expand and improve #pluck docsJeremy Kemper2012-05-151-6/+27
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* Restore support for Model.pluck('sql fragment')Jeremy Kemper2012-05-151-1/+2
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* Lowercase.Ben Pickles2012-05-011-1/+1
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* Add ActiveRecord::Base#idstwinturbo2012-04-301-0/+10
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* extract deprecated #calculate codeJon Leighton2012-04-131-83/+25
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* use a hash to store relation valuesJon Leighton2012-04-131-5/+5
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