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* Avoid extra touch queries when counter cache is updatedRyuta Kamizono2018-09-271-4/+8
| | | | Since counter cache handles touch option too.
* Use -X when loading structure.sql via psqlJ Smith2018-09-271-3/+3
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* Removed invalid -X flag for pg_dumpMatthias Winkelmann2018-09-271-7/+7
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* Merge pull request #33983 from gmcgibbon/raise_if_fixture_path_blankRafael França2018-09-261-0/+16
|\ | | | | Raise an error when loading all fixtures from nil fixture_path
| * Raise an error when loading all fixtures from nil fixture_pathGannon McGibbon2018-09-261-0/+16
| | | | | | | | [Gannon McGibbon + Max Albrecht]
* | Merge pull request #31819 from bpohoriletz/masterEileen M. Uchitelle2018-09-261-0/+26
|\ \ | | | | | | If association is a hash-like object preloading fails
| * | If association is a hash-like object preloading failsBohdan Pohorilets2018-09-261-0/+26
| | | | | | | | | | | | | | | | | | If you pass a hash-like object to preload associations (for example ActionController::Parameters) preloader will fail with the ArgumentError. This change allows passing objects that may be converted to a Hash or String into a preloader
* | | Remove force parent loading when counter cache child is created/destroyedRyuta Kamizono2018-09-261-1/+5
| |/ |/| | | | | | | | | | | `association.increment_counters` and `association.decrement_counters` works regardless of parent target is loaded or not. Related 52e11e462f6114a4d12225c639c5f501f0ffec7a.
* | Revert "Remove `counter_cache_target` which is no longer called"Ryuta Kamizono2018-09-261-1/+1
| | | | | | | | | | | | | | | | This reverts commit 376ffe0ea2e59dc51461122210729c05a10fb443. Since 38fae1f, `association.increment_counters` is called without inflated parent target if inverse_of is disabled. In that case, that commit would cause extra queries to inflate parent.
* | Update counter cache in memory if parent target is existedRyuta Kamizono2018-09-261-0/+32
|/ | | | Fixes #19550.
* Fix "warning: shadowing outer local variable - config"yuuji.yaginuma2018-09-261-2/+2
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* Merge pull request #33968 from gmcgibbon/stringify_db_configurationsRafael França2018-09-251-0/+24
|\ | | | | Stringify database configurations
| * Stringify database configurationsGannon McGibbon2018-09-241-0/+24
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* | Change the empty block style to have space inside of the blockRafael Mendonça França2018-09-2520-43/+43
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* | Abandon TOP support.Vladimir Kochnev2018-09-253-4/+2
|/ | | | | | | | | | | | | | | | Initially, `TOP` was introduced to support `limit` for MSSQL database. Unlike PostgreSQL/MySQL/SQLite, MSSQL does not have native `LIMIT`/`OFFSET` support. The commit adding `TOP` is 1a246f71616cf246a75ef6cbdb56032e43d4e643. However, it figured out that `TOP` implementation was weak and it's not sufficient to also support `OFFSET`, then `TOP` was substituted with `ROW_NUMBER()` subquery in be48ed3071fd6524d0145c4ad3faeb4aafe3eda3. This is a well known trick in MSSQL - https://stackoverflow.com/questions/2135418/equivalent-of-limit-and-offset-for-sql-server. So now we don't need this `visit_Arel_Nodes_Top` at all. It does nothing useful but also adds an extra space after `SELECT` when `LIMIT` is being used for **any** database.
* `Persistence#increment!` requires an attribute argument which is incrementedRyuta Kamizono2018-09-241-0/+5
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* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-238-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Ruby 2.3 or later, `String#+@` is available and `+@` is faster than `dup`. ```ruby # frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "benchmark-ips" end Benchmark.ips do |x| x.report('+@') { +"" } x.report('dup') { "".dup } x.compare! end ``` ``` $ ruby -v benchmark.rb ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux] Warming up -------------------------------------- +@ 282.289k i/100ms dup 187.638k i/100ms Calculating ------------------------------------- +@ 6.775M (± 3.6%) i/s - 33.875M in 5.006253s dup 3.320M (± 2.2%) i/s - 16.700M in 5.032125s Comparison: +@: 6775299.3 i/s dup: 3320400.7 i/s - 2.04x slower ```
* No private def in the codebaseRafael Mendonça França2018-09-211-10/+11
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* Merge pull request #33906 from dark-panda/ignore-psqlrc-when-using-psqlRafael França2018-09-201-7/+7
|\ | | | | Ignore psqlrc files when executing psql commands
| * Ignore psqlrc files when executing psql commandsJ Smith2018-09-171-7/+7
| | | | | | | | | | | | psqlrc files can affect the execution of commands in ways that can hold up execution by blocking or otherwise cause unexpected side effects and should best be ignored when using psql programmatically.
* | Use utf8mb4 in all tests and examplesRyuta Kamizono2018-09-213-9/+9
| | | | | | | | | | 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 Griffin2018-09-201-0/+14
|\ \ | | | | | | Make a deep copy of the _default_attributes in column_defaults
| * | Make a deep copy of the _default_attributes in column_defaultsRafael Mendonça França2018-09-201-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | Fix deprecation hash warning - activerecord testVitor Oliveira2018-09-201-1/+1
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* | | Merge pull request #33913 from kamipo/counter_cacheRyuta Kamizono2018-09-201-6/+36
|\ \ \ | | | | | | | | | | | | Don't update counter cache unless the record is actually saved
| * | | Don't update counter cache unless the record is actually savedRyuta Kamizono2018-09-191-6/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 França2018-09-191-2/+12
|\ \ \ \ | |_|/ / |/| | | Deprecate ActiveRecord::Result#to_hash in favor of #to_a
| * | | Deprecate ActiveRecord::Result#to_hash in favor of #to_aKevin Cheng2018-09-181-2/+12
| | |/ | |/| | | | | | | | | | | | | | | | 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/+4
| |/ |/| | | | | | | | | 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.
* | Avoid the same `foreign_key` and `counter_cache` associations on `SillyReply`Ryuta Kamizono2018-09-193-7/+7
|/ | | | | | | | | `topic` and `reply` belongs_to associations on `SillyReply` are defined with the same `foreign_key` (`parent_id`) and `counter_cache` (`replies_count`) columns. This would cause unintentional side-effect (e.g. saving `SillyReply` object would cause double increment `replies_count`), so it is better to avoid that side-effect.
* Remove meaningless `ActiveRecord::MigrationContext.new(old_path)` in ensure ↵Ryuta Kamizono2018-09-172-16/+0
| | | | | | | block `ActiveRecord::MigrationContext.new` just create an instance, doesn't have any side-effect.
* Merge pull request #33895 from ↵Ryuta Kamizono2018-09-161-0/+9
|\ | | | | | | | | 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 Sokolov2018-09-161-0/+9
| | | | | | | | same record
* | Use table name qualified column name for update countersRyuta Kamizono2018-09-161-0/+8
| | | | | | | | | | | | | | | | | | 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` = ? ```
* | Extract `{update,delete}_all_test.rb` from `persistence_test.rb` and ↵Ryuta Kamizono2018-09-164-335/+347
| | | | | | | | | | | | | | | | `relations_test.rb` `persistence_test.rb` and `relations_test.rb` have too many lines, so I'd like to extract relation around tests to dedicated files before newly test added.
* | Merge pull request #33878 from kamipo/fallback_to_unprepared_statementRyuta Kamizono2018-09-151-0/+6
|\ \ | |/ |/| Fallback to unprepared statement only when bind params limit is exceeded
| * Fallback to unprepared statement only when bind params limit is exceededRyuta Kamizono2018-09-141-0/+6
| | | | | | | | | | | | | | | | | | | | | | 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.
* | SQLite3: Support multiple args function for expression indexesRyuta Kamizono2018-09-141-8/+9
| | | | | | | | | | Follow up #33874. Related #23393.
* | SQLite3 adapter supports expression indexesgkemmey2018-09-132-5/+49
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* Merge pull request #33378 from numbata/subclass-redefine-autosave-callbacksRafael Mendonça França2018-09-132-0/+25
|\ | | | | | | Allow subclasses to redefine autosave callbacks for associated records
| * Allow subclasses to redefine autosave callbacks for associated recordsAndrey Subbota2018-07-272-0/+25
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* | Merge pull request #33844 from kamipo/too_many_eager_load_idsRyuta Kamizono2018-09-134-0/+19
|\ \ | | | | | | Eager loading/preloading should be worked regardless of large number of records
| * | Eager loading/preloading should be worked regardless of large number of recordsRyuta Kamizono2018-09-124-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | DRY `activerecord/lib/active_record/core.rb` and fix testsbogdanvlviv2018-09-121-14/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - 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
* | | Use utf8mb4 character set by default for MySQL database (#33608)Yasuo Honda2018-09-114-7/+7
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 `current_scope` for internal useRyuta Kamizono2018-09-111-2/+2
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* | Fixes #33610Darwin D Wu2018-09-113-0/+39
| | | | | | | | | | | | | | | | | | | | | | | | 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.
* | `supports_xxx?` returns whether a feature is supported by the backendRyuta Kamizono2018-09-084-41/+25
| | | | | | | | Rather than a configuration on the connection.
* | Configuration item `config.filter_parameters` could also filter out ↵Zhang Kang2018-09-071-0/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sensitive value of database column when call `#inspect` * Why Some sensitive data will be exposed in log accidentally by calling `#inspect`, e.g. ```ruby @account = Account.find params[:id] payload = { account: @account } logger.info "payload will be #{ payload }" ``` All the information of `@account` will be exposed in log. * Solution Add a class attribute filter_attributes to specify which values of columns shouldn't be exposed. This attribute equals to `Rails.application.config.filter_parameters` by default. ```ruby Rails.application.config.filter_parameters += [:credit_card_number] Account.last.insepct # => #<Account id: 123, credit_card_number: [FILTERED] ...> ```
* | Deprecate most methods which were never used in `DatabaseLimits`Ryuta Kamizono2018-09-051-0/+28
| | | | | | | | | | | | | | | | | | `DatabaseLimits` and those methods were introduced at 3809c80, but most methods were never used and never tested from the beginning (except `table_alias_length`, `index_name_length`, and `in_clause_length` (since 66c09372)). There is no reason to maintain unused those methods for about 8 years.
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