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* Merge pull request #24203 from sferik/count_with_blockKasper Timm Hansen2016-05-161-0/+5
|\ | | | | Forward ActiveRecord::Relation#count to Enumerable#count if block given
| * Forward ActiveRecord::Relation#count to Enumerable#count if block givenErik Michaels-Ober2016-03-191-0/+5
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* | Allow the connection adapters to determine the order of bind paramsSean Griffin2016-05-061-0/+18
|/ | | | | | | | | | | | In 5.0 we use bind parameters for limit and offset, while in 4.2 we used the values directly. The code as it was written assumed that limit and offset worked as `LIMIT ? OFFSET ?`. Both Oracle and SQL Server have a different syntax, where the offset is stated before the limit. We delegate this behavior to the connection adapter so that these adapters are able to determine how the bind parameters are flattened based on what order their specification has the various clauses appear. Fixes #24775
* Merge pull request #23751 from chezou/add-test-case-order-by-fieldAndrew White2016-02-221-0/+6
|\ | | | | Add test cases about MySQL ORDER BY FIELD()
| * Add assertions order by field with empty dataMichiaki Ariga2016-02-181-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add assertions to MySQL `ORDER BY FIELD()` with empty data. These tests examine to sanitize `ORDER BY FIELD()` with empty data appropriately. ```ruby Tag.order(['field(id, ?)', []]).to_sql # => SELECT "tags".* FROM "tags" ORDER BY field(id, NULL) Tag.order(['field(id, ?)', nil]).to_sql # => SELECT "tags".* FROM "tags" ORDER BY field(id, NULL) ```
* | Mutating the result of Relation#to_a should not affect the relationMatthew Draper2016-02-211-0/+10
|/ | | | | | Clarifying this separation and enforcing relation immutability is the culmination of the previous efforts to remove the mutator method delegations.
* Introduce ActiveRecord::IrreversibleOrderErrorBogdan Gusiev2016-01-271-0/+34
| | | | | Raises when #reverse_order can not process SQL order instead of making invalid SQL before this patch
* Merge pull request #22053 from Empact/first-loadedYves Senn2015-12-281-3/+26
|\ | | | | | | Fix #first(limit) to take advantage of #loaded? records if available
| * Fix `first(limit)` to take advantage of `loaded?` records if availableBen Woosley2015-12-241-3/+14
|/ | | | | | | | | | | | | | | | | I realized that `first(2)`, etc. was unnecessarily querying for the records when they were already preloaded. This was because `find_nth_with_limit` can not know which `@records` to return because it conflates the `offset` and `index` into a single variable, while the `@records` only needs the `index` itself to select the proper record. Because `find_nth` and `find_nth_with_limit` are public methods, I instead introduced a private method `find_nth_with_limit_and_offset` which is called internally and handles the `loaded?` checking. Once the `offset` argument is removed from `find_nth`, `find_nth_with_limit_and_offset` can be collapsed into `find_nth_with_limit`, with `offset` always equal to `offset_index`.
* Revert "Perform a more efficient query in `Relation#any?`"Sean Griffin2015-12-141-0/+7
| | | | | | | | | This reverts commit 6d5b1fdf55611de2a1071c37544933bb588ae88e. `eager_load` and `references` can include hashes, which won't match up with `references` A test case has been added to demonstrate the problem
* Merge pull request #13008 from ktheory/sanitize_orderSean Griffin2015-10-291-0/+5
|\ | | | | | | Support SQL sanitization in AR::QueryMethods#order
| * Support SQL sanitization in AR::QueryMethods#orderAaron Suggs2013-11-221-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for sanitizing arrays in SQL ORDER clauses. This is useful when using MySQL `ORDER BY FIELD()` to return records in a predetermined way. ```ruby Tag.order(['field(id, ?', [1,3,2]].to_sql # => SELECT "tags".* FROM "tags" ORDER BY field(id, 1,3,2) ``` Prior to this, developers must be careful to sanitize `#order` arguments themselves.
* | Add deprecation warning to `ActiveRecord::Relation#update`Ted Johansson2015-10-151-0/+7
| | | | | | | | | | | | | | | | When passing an instance of `ActiveRecord::Base` to `#update`, it would internally call `#find`, resulting in a misleading deprecation warning. This change gives this deprecated use of `#update` its own, meaningful warning.
* | Skip the test added in 9cc324a on buggy versions of SQliteSean Griffin2015-09-211-10/+0
| | | | | | | | See 7dcfc25e7c52682a4343c2ba7188a69e7c06c936 for more details
* | Ensure aliased attributes passed to `select` are quoted if using `from`Sean Griffin2015-09-211-0/+10
| | | | | | | | | | | | Fixes #21488 [Sean Griffin & johanlunds]
* | Deprecate passing conditions to AR::Relation destroy_all and delete_all methodsWojciech Wnętrzak2015-09-061-0/+12
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* | Fix regression caused by a01d164bRafael Mendonça França2015-07-071-0/+19
| | | | | | | | | | | | | | | | | | When preload is used in a default scope the preload_values were returning nested arrays and causing the preloader to fail because it doesn't know how to deal with nested arrays. So before calling preload! we need to splat the arguments. This is not needed to includes because it flatten its arguments.
* | Merge pull request #20196 from huoxito/preload-association-and-mergesRafael Mendonça França2015-05-281-1/+27
|\ \ | | | | | | Properly append preload / includes args on Merger
| * | Properly append preload / includes args on MergerWashington Luiz2015-05-281-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Couldn't find other way to get the association name from a given class other than looping through `reflect_on_all_associations` reflections .. Noticed this one while looking at this example: ```ruby class Product < ActiveRecord::Base has_many :variants has_many :translations end class Translation < ActiveRecord::Base belongs_to :product end class Variant < ActiveRecord::Base belongs_to :product end class BugTest < Minitest::Test def test_merge_stuff product = Product.create! name: 'huhu' variant = Variant.create! product_id: product.id Translation.create! locale: 'en', product_id: product.id product_relation = Product.all .preload(:translations) .joins(:translations) .merge(Translation.where(locale: 'en')) .where(name: 'huhu') assert_equal variant, Variant.joins(:product).merge(product_relation).first end end ```
* | | deprecate `Relation#uniq` use `Relation#distinct` instead.Yves Senn2015-05-261-4/+7
|/ / | | | | | | | | | | | | | | | | 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.
* | Raise ArgumentError when find_by receives no argumentsKohei Suzuki2015-04-111-0/+8
| | | | | | | | | | | | | | | | | | It fixes the strange error saying undefined method `take'. ``` RelationTest#test_find_by_without_arg_behaves_same_with_find_by({}): NoMethodError: undefined method `take' for #<ActiveRecord::QueryMethods::WhereChain:0x007f9c55db1d68> ```
* | Merge pull request #18744 from mfazekas/no-table-name-with-fromRafael Mendonça França2015-02-241-0/+11
| | | | | | | | Fix appending table_name to select and group when used with subquery (fr...
* | Optimize none? and one? relation query methods to use LIMIT and COUNT.Eugene Gilburg2015-02-121-0/+34
| | | | | | | | | | | | | | | | Use SQL COUNT and LIMIT 1 queries for none? and one? methods if no block or limit is given, instead of loading the entire collection to memory. The any? and many? methods already follow this behavior. [Eugene Gilburg & Rafael Mendonça França]
* | Fixed AR::Relation#group method when argument is a SQL reserved keywordBogdan Gusiev2015-01-291-0/+5
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* | Remove Relation#bind_paramsSean Griffin2015-01-271-1/+1
| | | | | | | | | | | | | | | | `bound_attributes` is now used universally across the board, removing the need for the conversion layer. These changes are mostly mechanical, with the exception of the log subscriber. Additional, we had to implement `hash` on the attribute objects, so they could be used as a key for query caching.
* | Use an `Attribute` object to represent a bind valueSean Griffin2015-01-271-3/+2
| | | | | | | | | | | | | | | | | | | | | | The column is primarily used for type casting, which we're trying to separate from the idea of a column. Since what we really need is the combination of a name, type, and value, let's use the object that we already have to represent that concept, rather than this tuple. No consumers of the bind values have been changed, only the producers (outside of tests which care too much about internals). This is *finally* possible since the bind values are now produced from a reasonable number of lcoations.
* | Remove unused `bind` and `bind!` methods from `Relation`Sean Griffin2015-01-261-9/+0
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* | Generate a query that makes sense when testing having clausesSean Griffin2015-01-261-3/+4
| | | | | | | | | | | | PG expects us to not give it nonsenes [Sean Griffin & anthonynavarre]
* | Change `having_values` to use the `WhereClause` classSean Griffin2015-01-261-2/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixed an issue where `having` can only be called after the last call to `where`, because it messes with the same `bind_values` array. With this change, the two can be called as many times as needed, in any order, and the final query will be correct. However, once something assigns `bind_values`, that stops. This is because we have to move all of the bind values from the having clause over to the where clause since we can't differentiate the two, and assignment was likely in the form of: `relation.bind_values += other.bind_values` This will go away once we remove all places that are assigning `bind_values`, which is next on the list. While this fixes a bug that was present in at least 4.2 (more likely present going back as far as 3.0, becoming more likely in 4.1 and later as we switched to prepared statements in more cases), I don't think this can be easily backported. The internal changes to `Relation` are non-trivial, anything that involves modifying the `bind_values` array would need to change, and I'm not confident that we have sufficient test coverage of all of those locations (when `having` was called with a hash that could generate bind values). [Sean Griffin & anthonynavarre]
* | Don't remove join dependencies in `Relation#exists?`Sean Griffin2015-01-231-0/+6
| | | | | | | | Fixes #18632
* | remove deprecation warning when modifying a Relation with cached arel.Yves Senn2015-01-051-0/+8
| | | | | | | | This adresses https://github.com/rails/rails/commit/1b7aa62b184c4410c99208f71b59bbac5c5f03be#commitcomment-9147803
* | Remove deprecated `ActiveRecord::Base.disable_implicit_join_references=`Rafael Mendonça França2015-01-041-6/+0
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* | Remove support to activerecord-deprecated_findersRafael Mendonça França2015-01-021-1/+1
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* | Merge pull request #11898 from prathamesh-sonpatki/patch-updateRafael Mendonça França2015-01-021-0/+18
|\ \ | | | | | | | | | | | | | | | | | | Changed ActiveRecord::Relation#update behavior so that it will work on Relation objects without giving id Conflicts: activerecord/CHANGELOG.md
| * | Allow ActiveRecord::Relation#update to run on result of a relation with ↵Prathamesh Sonpatki2014-12-201-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | callbacks and validations - Right now, there is no method to update multiple records with validations and callbacks. - Changed the behavior of existing `update` method so that when `id` attribute is not given and the method is called on an `Relation` object, it will execute update for every record of the `Relation` and will run validations and callbacks for every record. - Added test case for validating that the callbacks run when `update` is called on a `Relation`. - Changed test_create_columns_not_equal_attributes test from persistence_test to include author_name column on topics table as it it used in before_update callback. - This change introduces performance issues when a large number of records are to be updated because it runs UPDATE query for every record of the result. The `update_all` method can be used in that case if callbacks are not required because it will only run single UPDATE for all the records.
* | | Remove `klass` and `arel_table` as a dependency of `PredicateBuilder`Sean Griffin2014-12-261-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This class cares far too much about the internals of other parts of Active Record. This is an attempt to break out a meaningful object which represents the needs of the predicate builder. I'm not fully satisfied with the name, but the general concept is an object which represents a table, the associations to/from that table, and the types associated with it. Many of these exist at the `ActiveRecord::Base` class level, not as properties of the table itself, hence the need for another object. Currently it provides these by holding a reference to the class, but that will likely change in the future. This allows the predicate builder to remain wholy concerned with building predicates. /cc @mrgilman
* | | Inject the `PredicateBuilder` into the `Relation` instanceSean Griffin2014-12-261-1/+2
|/ / | | | | | | | | | | | | Construction of relations can be a hotspot, we don't want to create one of these in the constructor. This also allows us to do more expensive things in the predicate builder's constructor, since it's created once per AR::Base subclass
* | Deprecate `Class` handler in `PredicateBuilder`Melanie Gilman2014-12-041-1/+3
| | | | | | | | Users should pass strings to queries instead of classes
* | Pass symbol as an argument instead of a blockErik Michaels-Ober2014-11-291-4/+4
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* | rm `reorder_bind_params`Sean Griffin2014-11-171-1/+1
| | | | | | | | | | | | Arel handles this for us automatically. Updated tests, as BindParam is no longer a subclass of SqlLiteral. We should remove the second argument to substitute_at entirely, as it's no longer used
* | Build fix when running in isolationArun Agrawal2014-11-141-0/+1
| | | | | | | | | | `Computer` class needs to be require See #17217 for more details
* | switch `assert_operator` arguments as discussed in #16860.Yves Senn2014-09-111-1/+1
| | | | | | | | Working with two different machines is hard :sweat:
* | A `NullRelation` should represent nothing. Closes #15176.Yves Senn2014-09-111-0/+5
| | | | | | | | | | | | [Matthew Draper & Yves Senn] Closes #16860. (pull request to discuss the implementation)
* | Ignore SCHEMA queries when asserting no queriesAkira Matsuda2014-08-281-6/+6
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* | Fixed find_by("sql fragment without bindings") on masterGodfrey Chan2014-08-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | * Also duplicated find_by tests from relations_test.rb to finder_test.rb now that we have a completely different implementation on the class (in core.rb with AST caching stuff). * Also removed a (failing) test that used mocks. Now that we have tests for the behavior, there's no point having another test that tests the implementation (that it delegates). Further, what the test was implying is nolonger true with the current implementation, because Class.find_by is a real method now.
* | Move test to the proper fileRafael Mendonça França2014-05-261-7/+0
| | | | | | | | All preload tests are in the eager_test file
* | Add missing test case for quoting behaviorSean Griffin2014-05-261-0/+7
| | | | | | | | | | | | | | | | It appears that the only time that `quote` is called with a column, but without first calling `type_cast` is when where is called with an array. My previous pull request broke this behavior, without failing tests. This adds a test for the only case I can think of that exercises the `if column.type == :integer` branch of `quote` effectively.
* | Merge pull request #14803 from kuldeepaggarwal/null_relation_sum_fixMatthew Draper2014-05-221-0/+44
|\ \ | | | | | | | | | Fixed a problem where `sum` used with a `group` was not returning a Hash.
| * | Fixed a problem where `sum`, `size`, `average`, `minimum` and `maximum` usedKuldeep Aggarwal2014-05-151-0/+44
| | | | | | | | | | | | with a grouping was not returning a Hash.
* | | fix multiple hash preloads. Fixes #14994Aaron Patterson2014-05-201-0/+7
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