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* Raise NoDatabaseError when db does not existschneems2013-12-241-2/+2
| | | Building on the work of #13427 this PR adds a helpful error message to the adapters: mysql, mysql2, and sqlite3
* Deprecate use of string in establish_connection as connection lookupJosé Valim2013-12-241-0/+4
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* Tidy up fix for PG extensions quotingCarlos Antonio da Silva2013-12-231-2/+2
| | | | | Always pass in the column for quote_bound_value and quote using it in case it exists there.
* Serialize postgres' hstore, json and array types correctly in AR update methods.Tadas Tamosauskas2013-12-231-0/+7
| | | | | | | | | Fixes #12261. Closes #12395. Conflicts: activerecord/CHANGELOG.md activerecord/test/cases/adapters/postgresql/array_test.rb activerecord/test/cases/adapters/postgresql/json_test.rb
* Do not consider PG array columns as number or text columnsCarlos Antonio da Silva2013-12-231-0/+18
| | | | | | | | | | | | | | | | | | | | | | | The code uses these checks in several places to know what to do with a particular column, for instance AR attribute query methods has a branch like this: if column.number? !value.zero? end This should never be true for array columns, since it would be the same as running [].zero?, which results in a NoMethodError exception. Fixing this by ensuring that array columns in PostgreSQL never return true for number?/text? checks. Since most of the array support was based on the postgres_ext lib, it's worth noting it does the same thing for numeric array columns too: https://github.com/dockyard/postgres_ext/blob/v1.0.0/lib/postgres_ext/active_record/connection_adapters/postgres_adapter.rb#L72 This extended the same logic for text columns to ensure consistency.
* Tell how to Create a Database in Error Messageschneems2013-12-231-0/+7
| | | | | | | | | | | | | | | | Currently if you attempt to use a database that does not exist you get an error: ``` PG::ConnectionBad FATAL: database "db_error" does not exist ``` The solution is easy, create and migrate your database however new developers may not know these commands by memory. Instead of requiring the developer to search for a solution, tell them how to fix the problem in the error message: ``` ActiveRecord::NoDatabase: FATAL: database "db_error" does not exist Run `$ bin/rake db:create db:migrate` to create your database ``` Active Record should not know about `rake db:migrate` so this additional information needs to come from the railtie. Potential alternative implementation suggestions are welcome.
* On destroying do not touch destroyed belongs to association.Paul Nikitochkin2013-12-231-0/+13
| | | | Fixes: #13445
* CHANGELOG entry for #13451. [ci skip]Yves Senn2013-12-221-0/+13
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* Improve CHANGELOG entry [ci skip]Rafael Mendonça França2013-12-191-8/+6
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* fix default select when from is usedCody Cutrer2013-12-191-0/+18
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* Fix PostgreSQL insert to properly extract table name from multiline string SQL.Kuldeep Aggarwal2013-12-191-0/+15
| | | | | | | | | | | | Previously, executing an insert SQL in PostgreSQL with a command like this: insert into articles( number) values( 5152 ) would not work because the adapter was unable to extract the correct articles table name.
* Create a blacklist to disallow mutator methods to be delegated to `Array`.Lauro Caetano2013-12-171-15/+17
| | | | | | | | This change was necessary because the whitelist wouldn't work. It would be painful for users trying to update their applications. This blacklist intent to prevent odd bugs and confusion in code that call mutator methods directely on the `Relation`.
* Better support for `where()` conditions that use an association name.Martin Emde2013-12-161-0/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using the name of an association in `where` previously worked only if the value was a single `ActiveRecrd::Base` object. e.g. Post.where(author: Author.first) Any other values, including `nil`, would cause invalid SQL to be generated. This change supports arguments in the `where` query conditions where the key is a `belongs_to` association name and the value is `nil`, an `Array` of `ActiveRecord::Base` objects, or an `ActiveRecord::Relation` object. # Given the Post model class Post < ActiveRecord::Base belongs_to :author end # nil value finds records where the association is not set Post.where(author: nil) # SELECT "posts".* FROM "posts" WHERE "posts"."author_id" IS NULL # Array values find records where the association foreign key # matches the ids of the passed ActiveRecord models, resulting # in the same query as Post.where(author_id: [1,2]) authors_array = [Author.find(1), Author.find(2)] Post.where(author: authors_array) # ActiveRecord::Relation values find records using the same # query as Post.where(author_id: Author.where(last_name: "Emde")) Post.where(author: Author.where(last_name: "Emde")) Polymorphic `belongs_to` associations will continue to be handled appropriately, with the polymorphic `association_type` field added to the query to match the base class of the value. This feature previously only worked when the value was a single `ActveRecord::Base`. class Post < ActiveRecord::Base belongs_to :author, polymorphic: true end Post.where(author: Author.where(last_name: "Emde")) # Generates a query similar to: Post.where(author_id: Author.where(last_name: "Emde"), author_type: "Author")
* Improve CHANGELOG entry with examples [ci skip]Rafael Mendonça França2013-12-151-0/+10
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* Merge pull request #13313 from ccutrer/temp-tablesRafael Mendonça França2013-12-151-0/+10
|\ | | | | | | | | | | | | support creating temporary tables from queries Conflicts: activerecord/CHANGELOG.md
| * support creating temporary tables from queriesCody Cutrer2013-12-141-0/+10
| | | | | | | | | | also override drop_table in AbstractMySQLAdapter to properly drop temporary tables without committing the transaction
* | Improve the CHANGELOG entry [ci skip]Rafael Mendonça França2013-12-151-3/+3
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* | db:test:clone and prepare must load environmentArthur Neves2013-12-141-0/+7
|/ | | | | | db:test:clone and db:test:prepare use ActiveRecord::Base. configurations, so we need to load the rails environment, otherwise the config wont be in place.
* Add changeloglaurocaetano2013-12-121-6/+15
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* Changelog improvements [ci skip]Carlos Antonio da Silva2013-12-121-7/+7
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* Fix type cast on group sum with custom expressionPaul Nikitochkin2013-12-101-0/+16
| | | | | | | | 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
* Improve AR changelog [ci skip]Carlos Antonio da Silva2013-12-051-1/+1
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* polymorphic belongs_to association with touch: true updates old record correctlySeverin Schoepke2013-12-051-0/+14
| | | | | | | | | Example: Given you have a comments model with a polymorphic commentable association (e.g. books and songs) with the touch option set. Every time you update a comment its commentable should be touched. This was working when you changed attributes on the comment or when you moved the comment from one book to another. However, it was not working when moving a comment from a book to a song. This is now fixed.
* end sentences with a `.`. [ci skip]Yves Senn2013-12-051-3/+3
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* Improve AR changelog, add entry for migration error improvements #12462 [ci ↵Carlos Antonio da Silva2013-12-031-2/+12
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* Fix offset with last.Lauro Caetano2013-12-031-0/+6
| | | | Closes #7441
* `connection.type_to_sql` returns a `String` for unmapped types.Yves Senn2013-12-031-0/+11
| | | | | | | | | | Closes #13146. This fixes an error when using: ``` change_colum :table, :column, :bigint, array: true ```
* Currently, we clear query_cache in cache block finish, even if we may ↵Vipul A M2013-12-031-0/+5
| | | | | | already have cache true. This commit takes into account the last cache_enabled value, before clearing query_cache.
* Introduce a context for rendering fixtures ERB.Victor Costan2013-12-031-0/+6
| | | | | | | | | | Fixture files are passed through an ERB renderer before being read as YAML. The rendering is currently done in the context of the main object, so method definitons leak into other fixtures, and there is no clean place to define fixture helpers. After this commit, the ERB renderer will use a new subclass of ActiveRecord::FixtureSet.context_class each time a fixture is rendered.
* Improve AR changelog [ci skip]Carlos Antonio da Silva2013-11-301-9/+8
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* Raise `ArgumentError` when `has_one` is used with `counter_cache`Godfrey Chan2013-11-291-0/+7
| | | | | | | | | Previously, the `has_one` macro incorrectly accepts the `counter_cache` option due to a bug, although that options was never supported nor functional on `has_one` and `has_one ... through` relationships. It now correctly raises an `ArgumentError` when passed that option. For reference, this bug was introduced in 52f8e4b9.
* fix mysql version check in rename_indexCody Cutrer2013-11-281-1/+1
| | | | also clarify native rename_index support is >= 5.7, not > 5.7
* implement rename_index natively for MySQL > 5.7Cody Cutrer2013-11-281-0/+4
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* first pass through CHANGELOGS to extract 4_1_release_notes. [ci skip]Yves Senn2013-11-281-3/+2
| | | | | | | | | | | | Extract **notable changes**, **deprecations** and **removals** from each CHANGELOG. I tried to reference the commits and pull requests for new features and deprecations. In the process I also made some minor changes to the CHANGELOGS. The 4_1_release_notes guide is declared WIP.
* Merge pull request #13061 from ↵Rafael Mendonça França2013-11-261-0/+6
| | | | | | | | laurocaetano/fix-uniqueness-validation-for-aliased-attribute Fix bug when validating the uniqueness of an aliased attribute. Conflicts: activerecord/CHANGELOG.md
* changed update counter to act on unscoped modelheruku2013-11-261-0/+6
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* `rename_index`: add the new index before removing the old one.Yves Senn2013-11-261-0/+8
| | | | | | | | | | | This prevents the following error when a MySQL index on a foreign key column is renamed: ``` ActiveRecord::StatementInvalid: Mysql2::Error: Cannot drop index 'index_engines_on_car_id': needed in a foreign key constraint: DROP INDEX `index_engines_on_car_id` ON `engines` ``` refs: #13038.
* move changelog entry to the topBrian Thomas Storti2013-11-251-6/+6
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* Raise `RecordNotDestroyed` when children can't be replacedBrian Thomas Storti2013-11-251-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | Fixes #12812 Raise `ActiveRecord::RecordNotDestroyed` when a child marked with `dependent: destroy` can't be destroyed. The following code: ```ruby class Post < ActiveRecord::Base has_many :comments, dependent: :destroy end class Comment < ActiveRecord::Base before_destroy do return false end end post = Post.create!(comments: [Comment.create!]) post.comments = [Comment.create!] ```` would result in a `post` with two `comments`. With this commit, the same code would raise a `RecordNotDestroyed` exception, keeping the `post` with the same `comment`.
* Fix some minor typos [ci skip]Vipul A M2013-11-261-1/+1
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* Fix validation on uniqueness of empty associationEvgeny Li2013-11-221-0/+4
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* Improve changelogsCarlos Antonio da Silva2013-11-221-2/+1
| | | | | Also make Action Mailer changelog format more consistent with the others [ci skip]
* Fix ActiveRecord::Relation#unscopeJon Leighton2013-11-201-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I'm pretty confused about the addition of this method. The documentation says that it was intended to allow the removal of values from the default scope (in contrast to #except). However it behaves exactly the same as except: https://gist.github.com/jonleighton/7537008 (other than having a slightly enhanced syntax). The removal of the default scope is allowed by 94924dc32baf78f13e289172534c2e71c9c8cade, which was not a change we could make until 4.1 due to the need to deprecate things. However after that change #unscope still gives us nothing that #except doesn't already give us. However there *is* a desire to be able to unscope stuff in a way that persists across merges, which would allow associations to be defined which unscope stuff from the default scope of the associated model. E.g. has_many :comments, -> { unscope where: :trashed } So that's what this change implements. I've also corrected the documentation. I removed the guide references to #except as I think unscope really supercedes #except now. While we're here, there's also a potential desire to be able to write this: has_many :comments, -> { unscoped } However, it doesn't make sense and would not be straightforward to implement. While with #unscope we're specifying exactly what we want to be removed from the relation, with "unscoped" we're just saying that we want it to not have some things which were added earlier on by the default scope. However in the case of an association, we surely don't want *all* conditions to be removed, otherwise the above would just become "SELECT * FROM comments" with no foreign key constraint. To make the above work, we'd have to somehow tag the relation values which get added when evaluating the default scope in order to differentiate them from other relation values. Which is way too much complexity and therefore not worth it when most use cases can be satisfied with unscope. Closes #10643, #11061.
* use arel nodes to represent non-string `order_values`.Yves Senn2013-11-191-0/+4
| | | | | | | | | | | | | | | | | | | This fixes a bug when merging relations of different classes. ``` Given: Post.joins(:author).merge(Author.order(name: :desc)).to_sql Before: SELECT "posts".* FROM "posts" INNER JOIN "authors" ON "authors"."id" = "posts"."author_id" ORDER BY "posts"."name" DESC After: SELECT "posts".* FROM "posts" INNER JOIN "authors" ON "authors"."id" = "posts"."author_id" ORDER BY "authors"."name" DESC ```
* Revert "Explicitly exit with status "1" for create and drop failures"Rafael Mendonça França2013-11-191-4/+0
| | | | | | | | | | This reverts commit 22f80ae57b26907f662b7fd50a7270a6381e527e. See https://github.com/rails/rails/commit/22f80ae57b26907f662b7fd50a7270a6381e527e#commitcomment-4640676 Conflicts: activerecord/CHANGELOG.md
* Merge pull request #12918 from versioncontrol/rails-12866Rafael Mendonça França2013-11-161-0/+4
|\ | | | | | | | | | | | | Checks to see if the record contains the foreign_key to set the inverse automatically Conflicts: activerecord/CHANGELOG.md
| * Checks to see if the record contains the foreign_key to set the inverse ↵Edo Balvers2013-11-161-0/+4
| | | | | | | | automatically
* | Merge pull request #12531 from iamvery/database-tasks-exit-statusRafael Mendonça França2013-11-151-0/+4
|\ \ | | | | | | | | | | | | | | | | | | Explicitly exit with status "1" for create and drop task failures Conflicts: activerecord/CHANGELOG.md
| * | Explicitly exit with status "1" for create and drop failuresJay Hayes2013-11-111-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * A non-zero exit status allows subsequent shell commands to be chained together such as: `rake db:reset test:prepare && rspec && cap deploy` (if you're feeling brave :) * Any exceptions raised during the `create` and `drop` tasks are caught in order to print a "pretty" message to the user. Unfortunately doing so prevents rake from aborting with a non-zero exit status to the shell. * Therefore we re-raise the exceptions after the "pretty" message and re-catch them in the task. * From the task we explicitly exit with a non-zero status. This method was chosen (rather than just letting rake fail from the exception) so that the backtrace is suppressed and the output to stderr is unchanged. * Update activerecord CHANGELOG
* | | Fix AR Changelog examples and improve syntax highlight [ci skip]Carlos Antonio da Silva2013-11-141-12/+12
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