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* activerecord: Fix statement cache for strictly cast attributesDylan Thacker-Smith2019-01-231-1/+1
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* MySQL 8.0.14 adds `ER_FK_INCOMPATIBLE_COLUMNS`Yasuo Honda2019-01-221-1/+2
| | | | | | | | | | | | https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-14.html > Error messages relating to creating and dropping foreign keys > were improved to be more specific and informative. (Bug #28526309, Bug #92087) https://dev.mysql.com/doc/refman/8.0/en/server-error-reference.html > Error number: 3780; Symbol: ER_FK_INCOMPATIBLE_COLUMNS; SQLSTATE: HY000 > Message: Referencing column '%s' and referenced column '%s' in foreign key constraint '%s' are incompatible. > ER_FK_INCOMPATIBLE_COLUMNS was added in 8.0.14.
* Fix type casting column default in `change_column`Ryuta Kamizono2019-01-203-27/+43
| | | | | | | | | | | | | | Since #31230, `change_column` is executed as a bulk statement. That caused incorrect type casting column default by looking up the before changed type, not the after changed type. In a bulk statement, we can't use `change_column_default_for_alter` if the statement changes the column type. This fixes the type casting to use the constructed target sql_type. Fixes #34938.
* Preparing for 6.0.0.beta1 releaseRafael Mendonça França2019-01-181-1/+1
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* activerecord: Fix where nil condition on composed_of attributeDylan Thacker-Smith2019-01-181-4/+5
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* Merge pull request #30000 from ↵Ryuta Kamizono2019-01-185-22/+5
|\ | | | | | | | | kamipo/all_of_queries_should_return_correct_result All of queries should return correct result even if including large number
| * Ensure `StatementCache#execute` never raises `RangeError`Ryuta Kamizono2019-01-184-12/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Since 31ffbf8d, finder methods no longer raise `RangeError`. So `StatementCache#execute` is the only place to raise the exception for finder queries. `StatementCache` is used for simple equality queries in the codebase. This means that if `StatementCache#execute` raises `RangeError`, the result could always be regarded as empty. So `StatementCache#execute` just return nil in that range error case, and treat that as empty in the caller side, then we can avoid catching the exception in much places.
| * All of queries should return correct result even if including large numberRyuta Kamizono2019-01-181-10/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently several queries cannot return correct result due to incorrect `RangeError` handling. First example: ```ruby assert_equal true, Topic.where(id: [1, 9223372036854775808]).exists? assert_equal true, Topic.where.not(id: 9223372036854775808).exists? ``` The first example is obviously to be true, but currently it returns false. Second example: ```ruby assert_equal topics(:first), Topic.where(id: 1..9223372036854775808).find(1) ``` The second example also should return the object, but currently it raises `RecordNotFound`. It can be seen from the examples, the queries including large number assuming empty result is not always correct. Therefore, This change handles `RangeError` to generate executable SQL instead of raising `RangeError` to users to always return correct result. By this change, it is no longer raised `RangeError` to users.
* | Merge pull request #34969 from eileencodes/fix-error-message-for-multi-db-appsEileen M. Uchitelle2019-01-181-1/+20
|\ \ | |/ |/| Fix error message when adapter is not specified
| * Fix error message when adapter is not specifiedEileen Uchitelle2019-01-171-1/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we added support for multiple databases through a 3-tiered config and configuration objects this error message got a bit convoluted. Previously if you had an application with a missing configuation and multiple databases the error message would look like this: ``` 'doesnexist' database is not configured. Available: development, development, test, test, production, production (ActiveRecord::AdapterNotSpecified) ``` That's not very descriptive since it duplicates the environments (because there are multiple databases per environment for this application). To fix this I've constructed a bit more readable error message which now reads like this if you have a multi db app: ``` The `doesntexist` database is not configured for the `production` environment. (ActiveRecord::AdapterNotSpecified) Available databases configurations are: development: primary, primary_readonly test: primary, primary_readonly production: primary, primary_readonly ``` And like this if you have a single db app: ``` The `doesntexist` database is not configured for the `production` environment. (ActiveRecord::AdapterNotSpecified) Available databases configurations are: development test ``` This makes the error message more readable and presents the user all available options for the database connections.
* | Use `unboundable?` rather than `boundable?`Ryuta Kamizono2019-01-182-8/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The `unboundable?` behaves like the `infinite?`. ```ruby inf = Topic.predicate_builder.build_bind_attribute(:id, Float::INFINITY) inf.infinite? # => 1 oob = Topic.predicate_builder.build_bind_attribute(:id, 9999999999999999999999999999999) oob.unboundable? # => 1 inf = Topic.predicate_builder.build_bind_attribute(:id, -Float::INFINITY) inf.infinite? # => -1 oob = Topic.predicate_builder.build_bind_attribute(:id, -9999999999999999999999999999999) oob.unboundable? # => -1 ```
* | Merge pull request #34963 from ↵Rafael França2019-01-171-8/+12
|\ \ | | | | | | | | | | | | dylanahsmith/better-composed-of-single-field-query activerecord: Use a simpler query condition for aggregates with one mapping
| * | Use public_send instead since respond_to? doesn't include private/protected ↵Ryuta Kamizono2019-01-171-1/+1
| | | | | | | | | | | | | | | methods by default Co-Authored-By: dylanahsmith <dylan.smith@shopify.com>
| * | Avoid using yield_self to make it easier to backportDylan Thacker-Smith2019-01-171-5/+4
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| * | activerecord: Use a simpler query condition for aggregates with one mappingDylan Thacker-Smith2019-01-171-8/+13
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* | Remove deprecated `#set_state` from the transaction objectRafael Mendonça França2019-01-171-18/+0
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* | Remove deprecated `#supports_statement_cache?` from the database adaptersRafael Mendonça França2019-01-171-7/+0
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* | Remove deprecated `#insert_fixtures` from the database adaptersRafael Mendonça França2019-01-172-21/+1
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* | Remove deprecated ↵Rafael Mendonça França2019-01-171-5/+0
| | | | | | | | `ActiveRecord::ConnectionAdapters::SQLite3Adapter#valid_alter_table_type?`
* | Do not allow passing the column name to `sum` when a block is passedRafael Mendonça França2019-01-171-6/+4
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* | Do not allow passing the column name to `count` when a block is passedRafael Mendonça França2019-01-171-6/+4
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* | Remove delegation of missing methods in a relation to arelRafael Mendonça França2019-01-171-4/+0
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* | Remove delegation of missing methods in a relation to private methods of the ↵Rafael Mendonça França2019-01-171-5/+0
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* | Change `SQLite3Adapter` to always represent boolean values as integersRafael Mendonça França2019-01-173-50/+24
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* | Remove ability to specify a timestamp name for `#cache_key`Rafael Mendonça França2019-01-172-16/+6
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* | Remove deprecated `ActiveRecord::Migrator.migrations_path=`Rafael Mendonça França2019-01-171-7/+0
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* | Remove deprecated `expand_hash_conditions_for_aggregates`Rafael Mendonça França2019-01-171-37/+0
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* Add foreign key to active_storage_attachments for `blob_id` via new migrationbogdanvlviv2019-01-161-0/+4
| | | | | | | | | | | | | | | | | | We need this in order to be able to add this migration for users that use ActiveStorage during update their apps from Rails 5.2 to Rails 6.0. Related to #33405 `rake app:update` should update active_storage `rake app:update` should execute `rake active_storage:update` if it is used in the app that is being updated. It will add new active_storage's migrations to users' apps during update Rails. Context https://github.com/rails/rails/pull/33405#discussion_r204239399 Also, see a related discussion in the Campfire: https://3.basecamp.com/3076981/buckets/24956/chats/12416418@1236713081
* Refs #28025 nullify *_type column on polymorphic associations on :nu… ↵Laerti2019-01-154-4/+13
| | | | | | (#28078) This PR addresses the issue described in #28025. On `dependent: :nullify` strategy only the foreign key of the relation is nullified. However on polymorphic associations the `*_type` column is not nullified leaving the record with a NULL `*_id` but the `*_type` column is present.
* Remove public `prevent_writes` writerRyuta Kamizono2019-01-151-5/+5
| | | | | | The `@prevent_writes` should be updated only in the `while_preventing_writes`, it is not necessary to expose the attr writer.
* Deprecate `connection.visitor = ...` which is not released internal usageRyuta Kamizono2019-01-151-2/+6
| | | | | | | | | This attr writer was introduced at 7db90aa, but the usage is already removed at bd2f5c0 before v3.2.0.rc1 is released. If we'd like to customize the visitor in the connection, `arel_visitor` which is implemented in all adapters (mysql2, postgresql, sqlite3, oracle-enhanced, sqlserver) could be used for the purpose #23515.
* Merge branch 'master' into ac_params_existsAaron Patterson2019-01-1110-64/+47
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| * Remove `id_value` argument which is no longer passed to `sql_for_insert`Ryuta Kamizono2019-01-112-3/+3
| | | | | | | | Since #26002, `id_value` is no longer passed to `sql_for_insert`.
| * Refactor `bind_attribute` to expand an association to actual attributeRyuta Kamizono2019-01-112-5/+5
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| * Refactor `build_relation` in the uniqueness validator to avoid low level ↵Ryuta Kamizono2019-01-113-27/+29
| | | | | | | | predicate construction
| * Enable `Lint/UselessAssignment` cop to avoid unused variable warnings (#34904)Ryuta Kamizono2019-01-092-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Enable `Lint/UselessAssignment` cop to avoid unused variable warnings Since we've addressed the warning "assigned but unused variable" frequently. 370537de05092aeea552146b42042833212a1acc 3040446cece8e7a6d9e29219e636e13f180a1e03 5ed618e192e9788094bd92c51255dda1c4fd0eae 76ebafe594fc23abc3764acc7a3758ca473799e5 And also, I've found the unused args in c1b14ad which raises no warnings by the cop, it shows the value of the cop.
| * Consolidate the duplicated code that building range predicateRyuta Kamizono2019-01-082-24/+5
| | | | | | | | | | This slightly change the code in the Arel to allow +/-INFINITY as open ended since the Active Record expects that behavior. See 5ecbeda.
| * :recycle: Fix mysql type map for enum and setbannzai2019-01-081-2/+2
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* | Allow strong params in ActiveRecord::Base#exists?Gannon McGibbon2019-01-071-0/+2
|/ | | | | Allow `ActionController::Params` as argument of `ActiveRecord::Base#exists?`
* Merge pull request #34773 from ↵Eileen M. Uchitelle2019-01-041-0/+23
|\ | | | | | | | | eileencodes/share-fixture-connections-with-multiple-handlers For fixtures share the connection pool when there are multiple handlers
| * Share the connection pool when there are multiple handlersEileen Uchitelle2019-01-031-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In an application that has a primary and replica database the data inserted on the primary connection will not be able to be read by the replica connection. In a test like this: ``` test "creating a home and then reading it" do home = Home.create!(owner: "eileencodes") ActiveRecord::Base.connected_to(role: :default) do assert_equal 3, Home.count end ActiveRecord::Base.connected_to(role: :readonly) do assert_equal 3, Home.count end end ``` The home inserted in the beginning of the test can't be read by the replica database because when the test is started a transasction is opened byy `setup_fixtures`. That transaction remains open for the remainder of the test until we are done and run `teardown_fixtures`. Because the data isn't actually committed to the database the replica database cannot see the data insertion. I considered a couple ways to fix this. I could have written a database cleaner like class that would allow the data to be committed and then clean up that data afterwards. But database cleaners can make the database slow and the point of the fixtures is to be fast. In GitHub we solve this by sharing the connection pool for the replicas with the primary (writing) connection. This is a bit hacky but it works. Additionally since we define `replica? || preventing_writes?` as the code that blocks writes to the database this will still prevent writing on the replica / readonly connection. So we get all the behavior of multiple connections for the same database without slowing down the database. In this PR the code loops through the handlers. If the handler doesn't match the default handler then it retrieves the connection pool from the default / writing handler and assigns the reading handler's connections to that pool. Then in enlist_fixture_connections it maps all the connections for the default handler because all the connections are now available on that handler so we don't need to loop through them again. The test uses a temporary connection pool so we can test this with sqlite3_mem. This adapter doesn't behave the same as the others and after looking over how the query cache test works I think this is the most correct. The issues comes when calling `connects_to` because that establishes new connections and confuses the sqlite3_mem adapter. I'm not entirely sure why but I wanted to make sure we tested all adapters for this change and I checked that it wasn't the shared connection code that was causing issues - it was the `connects_to` code.
* | Merge pull request #34858 from ↵Ryuta Kamizono2019-01-041-1/+1
|\ \ | | | | | | | | | | | | albertoalmagro/make-rails-compatible-accross-ruby-versions Make average compatible across ruby versions
| * | Make average compatible accross Ruby versionsAlberto Almagro2019-01-041-1/+1
| | | | | | | | | | | | | | | | | | | | | Since Ruby 2.6.0 NilClass#to_d is returning `BigDecimal` 0.0, this breaks `average` compatibility with prior Ruby versions. This patch makes `average` return `nil` in all Ruby versions when there are no rows.
* | | Merge the redundant `when Symbol` case to the `when String, ...`Ryuta Kamizono2019-01-041-2/+1
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* | | 2x faster `connection.type_cast`Ryuta Kamizono2019-01-041-6/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `nil`, `Numeric`, and `String` are most basic objects which are passed to `type_cast`. But now each `when *types_which_need_no_typecasting` evaluation allocates extra two arrays, it makes `type_cast` slower. The `types_which_need_no_typecasting` was introduced at #15351, but the method isn't useful (never used any adapters) since all adapters (sqlite3, mysql2, postgresql, oracle-enhanced, sqlserver) still overrides the `_type_cast`. Just expanding the method would make the `type_cast` 2x faster. ```ruby module ActiveRecord module TypeCastFast def type_cast_fast(value, column = nil) value = id_value_for_database(value) if value.is_a?(Base) if column value = type_cast_from_column(column, value) end _type_cast_fast(value) rescue TypeError to_type = column ? " to #{column.type}" : "" raise TypeError, "can't cast #{value.class}#{to_type}" end private def _type_cast_fast(value) case value when Symbol, ActiveSupport::Multibyte::Chars, Type::Binary::Data value.to_s when true then unquoted_true when false then unquoted_false # BigDecimals need to be put in a non-normalized form and quoted. when BigDecimal then value.to_s("F") when nil, Numeric, String then value when Type::Time::Value then quoted_time(value) when Date, Time then quoted_date(value) else raise TypeError end end end end conn = ActiveRecord::Base.connection conn.extend ActiveRecord::TypeCastFast Benchmark.ips do |x| x.report("type_cast") { conn.type_cast("foo") } x.report("type_cast_fast") { conn.type_cast_fast("foo") } x.compare! end ``` ``` Warming up -------------------------------------- type_cast 58.733k i/100ms type_cast_fast 101.364k i/100ms Calculating ------------------------------------- type_cast 708.066k (± 5.9%) i/s - 3.583M in 5.080866s type_cast_fast 1.424M (± 2.3%) i/s - 7.197M in 5.055860s Comparison: type_cast_fast: 1424240.0 i/s type_cast: 708066.0 i/s - 2.01x slower ```
* | Merge pull request #33985 from eugeneius/attribute_methods_schema_cacheKasper Timm Hansen2019-01-035-1/+30
|\ \ | | | | | | Only define attribute methods from schema cache
| * | Only define attribute methods from schema cacheEugene Kenny2018-09-285-1/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To define the attribute methods for a model, Active Record needs to know the schema of the underlying table, which is usually achieved by making a request to the database. This is undesirable behaviour while the app is booting, for two reasons: it makes the boot process dependent on the availability of the database, and it means every new process will make one query for each table, which can cause issues for large applications. However, if the application is using the schema cache dump feature, then the schema cache already contains the necessary information, and we can define the attribute methods without causing any extra database queries.
* | | Merge pull request #34836 from kamipo/class_level_update_without_idsRyuta Kamizono2019-01-021-1/+3
|\ \ \ | |_|/ |/| | Restore an ability that class level `update` without giving ids
| * | Restore an ability that class level `update` without giving idsRyuta Kamizono2019-01-021-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | That ability was introduced at #11898 as `Relation#update` without giving ids, so the ability on the class level is not documented and not tested. c83e30d which fixes #33470 has lost two undocumented abilities. One has fixed at 5c65688, but I missed the ability on the class level. Removing any feature should not be suddenly happened in a stable version even if that is not documented. I've restored the ability and added test case to avoid any regression in the future. Fixes #34743.
* | | MariaDB: Remove version checking lower the 5.5.8Ryuta Kamizono2019-01-021-10/+2
| | | | | | | | | | | | Since we already bumped the minimum version of MySQL to 5.5.8 at #33853.
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