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* Use utf8mb4 in all tests and examplesRyuta Kamizono2018-09-211-2/+2
| | | | | Since #33875, Rails dropped supporting MySQL 5.1 which does not support utf8mb4. We no longer need to use legacy utf8 (utf8mb3) conservatively.
* Merge pull request #33925 from rafaelfranca/rm-fix-column_defaultsSean Griffin2018-09-201-1/+1
|\ | | | | Make a deep copy of the _default_attributes in column_defaults
| * Make a deep copy of the _default_attributes in column_defaultsRafael Mendonça França2018-09-201-1/+1
| | | | | | | | | | | | | | | | | | | | When column_defaults is called it calls `value` on each instance of Attribute inside the _default_attributes set. Since value is memoized in the Attribute instance and that Attribute instance is shared across all instances of a model the next call to the default value will be memozied not running the proc defined by the user. Fixes #33031.
* | Make `ActiveRecord::Result#to_a` as alias to `ActiveRecord::Result#to_ary`bogdanvlviv2018-09-201-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | `ActiveRecord::Result#to_a` was introduced in #33912. I would prefer to make `to_a` as alias to the `to_ary` because: - It would be clear for users from https://edgeapi.rubyonrails.org/classes/ActiveRecord/Result.html that `to_a` and `to_ary` are the same - For us it would take less efforts in case if we needed to change the docs or implementation, since the methods are the same Follow up #33912
* | Merge pull request #33913 from kamipo/counter_cacheRyuta Kamizono2018-09-203-23/+1
|\ \ | | | | | | | | | Don't update counter cache unless the record is actually saved
| * | Don't update counter cache unless the record is actually savedRyuta Kamizono2018-09-193-23/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a 4th attempt to make counter cache transactional completely. Past attempts: #9236, #14849, #23357. All existing counter cache issues (increment/decrement twice, lost increment) are caused due to updating counter cache on the outside of the record saving transaction by assigning belongs_to record, even though assigning that doesn't cause the record saving. We have the `@_after_replace_counter_called` guard condition to mitigate double increment/decrement issues, but we can't completely prevent that inconsistency as long as updating counter cache on the outside of the transaction, since saving the record is not always happened after that. We already have handling counter cache after create/update/destroy, https://github.com/rails/rails/blob/1b90f614b1b3d06b7f02a8b9ea6cd84f15d58643/activerecord/lib/active_record/counter_cache.rb#L162-L189 https://github.com/rails/rails/blob/1b90f614b1b3d06b7f02a8b9ea6cd84f15d58643/activerecord/lib/active_record/associations/builder/belongs_to.rb#L33-L59 so just removing assigning logic on the belongs_to association makes counter cache transactional completely. Closes #14849. Closes #23357. Closes #31493. Closes #31494. Closes #32372. Closes #33113. Closes #33117 Closes #33129. Closes #33458.
* | | Merge pull request #33912 from gmcgibbon/ar_result_to_hash_deprecateRafael França2018-09-192-3/+11
|\ \ \ | |_|/ |/| | Deprecate ActiveRecord::Result#to_hash in favor of #to_a
| * | Deprecate ActiveRecord::Result#to_hash in favor of #to_aKevin Cheng2018-09-182-3/+11
| |/ | | | | | | | | | | | | method returns an array of hashes, not a hash e.g. Hash.try_convert(result) calls #to_hash and raises a TypeError [Gannon McGibbon + Kevin Cheng]
* / Don't return the same object when using find with an empty arrayRafael Mendonça França2018-09-191-1/+1
|/ | | | | | When you pass an empty array to find we know we shoudl return an empty array but it is surprising that we are returning the original empty array instead of a new one.
* Fix deprecation warning of `ActiveRecord::Migrator.migrations_path=`bogdanvlviv2018-09-171-1/+1
| | | | | | | | | | | | | | | | | | | | `ActiveRecord::Migrator.migrations_path=` was deprecated in #31727. This commit fixes: - `ActiveRecord::Migrator.migrations_path=` is deprecated, but not `ActiveRecord::Migrator.migrations_paths=` - Adds missing space The warning including this commit: ``` DEPRECATION WARNING: `ActiveRecord::Migrator.migrations_path=` is now deprecated and will be removed in Rails 6.0. You can set the `migrations_paths` on the `connection` instead through the `database.yml`. ``` Since it was deprecated in Rails 5.2 we should backport it to the `5-2-stable` branch. Related to #31727
* Merge pull request #33188 from larskanis/pg-1.1Yuji Yaginuma2018-09-172-2/+16
|\ | | | | PostgreSQL: prepare for pg-1.1
| * Return empty array when casting malformed array stringsLars Kanis2018-06-231-1/+7
| | | | | | | | | | | | | | | | Parsing of malformed array strings without raising an error is deprecated in pg-1.1. It's therefore necessary to catch parser errors starting with pg-2.0. See also pg commit: https://bitbucket.org/ged/ruby-pg/commits/1b081326b346368e70c9c03ee7080e28d6b3a3dc
| * PostgreSQL: Prepare for pg-1.1.0Lars Kanis2018-05-271-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | Version 1.1.0 deprecates exec and async_exec with a params array due to distinct semantics between calls with and without params array. Instead exec_params or async_exec_params shall be used. Moreover in pg-1.1.0 exec_* and prepare methods are aliases for async_exec_* and async_prepare. async_* methods don't need to be called explicit - they are the default now, when calling exec_* and prepare. For pg versions before 1.1, keep using async_exec.
* | Merge pull request #33895 from ↵Ryuta Kamizono2018-09-161-1/+0
|\ \ | | | | | | | | | | | | faucct/bugfix/preload_multiple_instances_of_same_record ActiveRecord::Associations::Preloader should preload all instances of the same record
| * | ActiveRecord::Associations::Preloader should preload all instances of the ↵Nikita Sokolov2018-09-161-1/+0
| | | | | | | | | | | | same record
* | | Use table name qualified column name for update countersRyuta Kamizono2018-09-161-9/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | MySQL supports JOINs to UPDATE, so if column name isn't qualified by table name, it would cause an ambiguous error: ``` Mysql2::Error: Column 'integer' in field list is ambiguous: UPDATE `pets` INNER JOIN `toys` ON `toys`.`pet_id` = `pets`.`pet_id` SET `integer` = COALESCE(`integer`, 0) + 1 WHERE `toys`.`name` = ? ```
* | | Merge pull request #33878 from kamipo/fallback_to_unprepared_statementRyuta Kamizono2018-09-154-7/+13
|\ \ \ | |/ / |/| | Fallback to unprepared statement only when bind params limit is exceeded
| * | Fallback to unprepared statement only when bind params limit is exceededRyuta Kamizono2018-09-144-7/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a follow up and/or an alternative of #33844. Unlike #33844, this would attempt to construct unprepared statement only when bind params limit (mysql2 65535, pg 65535, sqlite3 249999) is exceeded. I only defined 65535 as the limit, not defined 249999 for sqlite3, since it is an edge case, I'm not excited to add less worth extra code.
* | | Update associations.rb API documentation [ci skip] (#33857)Lucas Brandt2018-09-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Update association_basics.md [ci skip] Addresses issue #33599 * Update associations.rb API documentation [ci skip] Additional detail for documentation of `belongs_to` `association=(associate)` * Update association_basics.md [ci skip] Reverts misplaced documentation comment
* | | Merge pull request #33879 from yahonda/another_33876Ryuta Kamizono2018-09-141-1/+1
|\ \ \ | | | | | | | | Remove mysql2 gem version requirement "< 0.6.0"
| * | | Remove mysql2 gem version requirement "< 0.6.0"Yasuo Honda2018-09-141-1/+1
| | | | | | | | | | | | | | | | Suggested at https://github.com/rails/rails/pull/33876#issuecomment-421176221
* | | | SQLite3: Support multiple args function for expression indexesRyuta Kamizono2018-09-142-14/+18
|/ / / | | | | | | | | | | | | Follow up #33874. Related #23393.
* / / SQLite3 adapter supports expression indexesgkemmey2018-09-132-1/+9
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* | Merge pull request #33871 from gregmolnar/database_configurationsEileen M. Uchitelle2018-09-131-0/+1
|\ \ | | | | | | add `any?` to DatabaseConfigurations
| * | add `any?` to DatabaseConfigurationsGreg Molnar2018-09-131-0/+1
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* | | Merge pull request #33378 from numbata/subclass-redefine-autosave-callbacksRafael Mendonça França2018-09-131-1/+1
|\ \ \ | | | | | | | | | | | | Allow subclasses to redefine autosave callbacks for associated records
| * | | Allow subclasses to redefine autosave callbacks for associated recordsAndrey Subbota2018-07-271-1/+1
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* | | | Merge pull request #33853 from yahonda/use_utf8mb4_only_if_availableJeremy Daer2018-09-131-3/+15
|\ \ \ \ | |_|/ / |/| | | Validate if `utf8mb4` character set and longer index key prefix is supported
| * | | Drop MySQL 5.1 supportYasuo Honda2018-09-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * MySQL 5.1 does not support `utf8mb4` character set * MySQL 5.1 had been already EOLed on Dec 2013 https://www.mysql.com/support/eol-notice.html > Per Oracle's Lifetime Support policy, as of December 31, 2013, MySQL 5.1 > is covered under Oracle Sustaining Support. * MySQL 5.5.8 is the first General Availability of MySQL 5.5 https://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-8.html
| * | | Raise an exception if :charset is not specified and large prefixes / utf8mb4 ↵Yasuo Honda2018-09-131-1/+1
| | | | | | | | | | | | | | | | are not supported
| * | | Validate if `utf8mb4` character set and longer index key prefix is supportedYasuo Honda2018-09-131-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Once #33608 merged If users create a new database using MySQL 5.1.x, it will fail to create databases since MySQL 5.1 does not know `utf8mb4` character set. This pull request removes `encoding: utf8mb4` from `mysql.yml.tt` to let create_database method handles default character set by MySQL server version. `supports_longer_index_key_prefix?` method will need to validate if MySQL 5.5 and 5.6 server configured correctly to support longer index key prefix, but not yet.
* | | | Merge pull request #33844 from kamipo/too_many_eager_load_idsRyuta Kamizono2018-09-132-5/+10
|\ \ \ \ | |/ / / |/| | | Eager loading/preloading should be worked regardless of large number of records
| * | | Eager loading/preloading should be worked regardless of large number of recordsRyuta Kamizono2018-09-122-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 213796f, bind params are used for IN clause if enabled prepared statements. Unfortunately, most adapter modules have a limitation for # of bind params (mysql2 65535, pg 65535, sqlite3 250000). So if eager loading large number of records at once, that query couldn't be sent to the database. Since eager loading/preloading queries are auto-generated by Active Record itself, so it should be worked regardless of large number of records like as before. Fixes #33702.
* | | | Add mention about `ActiveRecord::Base::filter_attributes` to the changelog entrybogdanvlviv2018-09-121-6/+6
| | | | | | | | | | | | | | | | | | | | Also remove `# :nodoc:` for `ActiveRecord::Core::ClassMethods` in order to show non-nodoc methods in that module on the api docs http://edgeapi.rubyonrails.org
* | | | Build string set when `filter_attributes` is assignedbogdanvlviv2018-09-121-6/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It would allow `filter_attributes` to be reused across multiple calls to `#inspect` or `#pretty_print`. - Add `require "set"` - Remove `filter_attributes` instance reader. I think there is no need to keep it.
* | | | DRY `activerecord/lib/active_record/core.rb` and fix testsbogdanvlviv2018-09-121-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Move ``` filter_attributes = self.filter_attributes.map(&:to_s).to_set filter_attributes.include?(attribute_name) && !read_attribute(attribute_name).nil? ``` to private method. - Fix tests in `activerecord/test/cases/filter_attributes_test.rb` - Ensure that `teardown` sets `ActiveRecord::Base.filter_attributes` to previous state. - Ensure that `Admin::Account.filter_attributes` is set to previous state in the "filter_attributes could be overwritten by models" test. Follow up #33756
* | | | Clarify docs of `config.filter_parameters` and `#filter_attributes`bogdanvlviv2018-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | Add mention that `config.filter_parameters` also filters out sensitive values of database columns when call `#inspect` since #33756.
* | | | Fix query cache to load before first requestEileen Uchitelle2018-09-121-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In a test app we observed that the query cache was not enabled on the first request. This was because the query cache hooks are installed on load and active record is loaded in the middle of the first request. If we remove the `on_load` from the railtie the query cache hooks will be installed before the first request, allowing the cache to be enabled on that first request. This is ok because query cache doesn't load anything else, only itself so we're not eager loading all of active record before the first request, just the query cache hooks. [Eileen M. Uchitelle & Matthew Draper]
* | | | Use utf8mb4 character set by default for MySQL database (#33608)Yasuo Honda2018-09-111-2/+2
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Use utf8mb4 character set by default `utf8mb4` character set supports supplementary characters including emoji. `utf8` character set with 3-Byte encoding is not enough to support them. There was a downside of 4-Byte length character set with MySQL 5.5 and 5.6: "ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes" for Rails string data type which is mapped to varchar(255) type. MySQL 5.7 supports 3072 byte key prefix length by default. * Remove `DEFAULT COLLATE` from Active Record unit test databases There should be no "one size fits all" collation in MySQL 5.7. Let MySQL server choose the default collation for Active Record unit test databases. Users can choose their best collation for their databases by setting `options[:collation]` based on their requirements. * InnoDB FULLTEXT indexes support since MySQL 5.6 it does not have to use MyISAM storage engine whose maximum key length is 1000 bytes. Using MyISAM storag engine with utf8mb4 character set would cause "Specified key was too long; max key length is 1000 bytes" https://dev.mysql.com/doc/refman/5.6/en/innodb-fulltext-index.html * References "10.9.1 The utf8mb4 Character Set (4-Byte UTF-8 Unicode Encoding)" https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-utf8mb4.html "10.9.2 The utf8mb3 Character Set (3-Byte UTF-8 Unicode Encoding)" https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-utf8.html "14.8.1.7 Limits on InnoDB Tables" https://dev.mysql.com/doc/refman/5.7/en/innodb-restrictions.html > If innodb_large_prefix is enabled (the default), the index key prefix limit is 3072 bytes > for InnoDB tables that use DYNAMIC or COMPRESSED row format. * CI against MySQL 5.7 Followed this instruction and changed root password to empty string. https://docs.travis-ci.com/user/database-setup/#MySQL-57 * The recommended minimum version of MySQL is 5.7.9 to support utf8mb4 character set and `innodb_default_row_format` MySQL 5.7.9 introduces `innodb_default_row_format` to support 3072 byte length index by default. Users do not have to change MySQL database configuration to support Rails string type. https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html#sysvar_innodb_default_row_format https://dev.mysql.com/doc/refman/5.7/en/innodb-restrictions.html > If innodb_large_prefix is enabled (the default), > the index key prefix limit is 3072 bytes for InnoDB tables that use DYNAMIC or COMPRESSED row format. * The recommended minimum version of MariaDB is 10.2.2 MariaDB 10.2.2 is the first version of MariaDB supporting `innodb_default_row_format` Also MariaDB says "MySQL 5.7 is compatible with MariaDB 10.2". - innodb_default_row_format https://mariadb.com/kb/en/library/xtradbinnodb-server-system-variables/#innodb_default_row_format - "MariaDB versus MySQL - Compatibility" https://mariadb.com/kb/en/library/mariadb-vs-mysql-compatibility/ > MySQL 5.7 is compatible with MariaDB 10.2 - "Supported Character Sets and Collations" https://mariadb.com/kb/en/library/supported-character-sets-and-collations/
* | | Don't expose `instantiate_instance_of` for internal useRyuta Kamizono2018-09-111-11/+7
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* | | Refactor object creation from relation to avoid pushing scope attributesRyuta Kamizono2018-09-112-24/+7
| | | | | | | | | | | | | | | | | | Pushing scope attributes was added at d4007d5 for fixing inheritance object creation. But it was not a better fix, since we could just pull that on demand in `Inheritance` module.
* | | Don't expose `current_scope` for internal useRyuta Kamizono2018-09-112-16/+15
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* | | Move `scoping` handling into klass level from relationRyuta Kamizono2018-09-112-5/+9
| | | | | | | | | | | | | | | I'd like to use this `scoping` handling on klass level to address unwanted internal scoping issues.
* | | Remove redundant `all.scoping`Ryuta Kamizono2018-09-111-4/+2
| | | | | | | | | | | | | | | `scoping` stashes the reciever and then returning that as `klass.all`. `all.scoping` has no effect to the public behavior, so it is redundant.
* | | Remove unused `existing` arg in `SelectManager#collapse`Ryuta Kamizono2018-09-111-3/+3
| | | | | | | | | | | | | | | The `existing` arg was added at 8bc0fce, but it is no longer used since aac9da2.
* | | Fixes #33610Darwin D Wu2018-09-111-7/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to avoid double assignments of nested_attributes for `has_many` relations during record initialization, nested_attributes in `create_with` should not be passed into `klass.new` and have them populate during `initialize_internals_callback` with scope attributes. However, `create_with` keys should always have precedence over where clauses, so if there are same keys in both `create_with` and `where_values_hash`, the value in `create_with` should be the one that's used.
* | | Merge pull request #33825 from bogdanvlviv/follow-up-33637-and-33770Eileen M. Uchitelle2018-09-092-6/+6
|\ \ \ | | | | | | | | Follow up #33637 and #33770
| * | | Fix `ActiveRecord::DatabaseConfigurations`'s docsbogdanvlviv2018-09-092-6/+6
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* | | | Consistently use `visitor.compile`Ryuta Kamizono2018-09-092-5/+5
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* | | | Revert a writer for `BindParam#value`Ryuta Kamizono2018-09-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The writer was added during Arel refactoring to pass Active Record tests at 7a29220. That is no longer used since 846832a.
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