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* Make `update_all` preparableRyuta Kamizono2018-09-282-2/+18
| | | | | | | | | | | | | | Before: ``` Pet Update All (0.8ms) UPDATE `pets` LEFT OUTER JOIN `toys` ON `toys`.`pet_id` = `pets`.`pet_id` SET `pets`.`name` = 'Bob' WHERE `toys`.`name` = ? [["name", "Bone"]] ``` After: ``` Pet Update All (1.1ms) UPDATE `pets` LEFT OUTER JOIN `toys` ON `toys`.`pet_id` = `pets`.`pet_id` SET `pets`.`name` = ? WHERE `toys`.`name` = ? [["name", "Bob"], ["name", "Bone"]] ```
* Merge pull request #31604 from fatkodima/reverting-transactionEileen M. Uchitelle2018-09-273-5/+39
|\ | | | | Fix `transaction` reverting for migrations
| * Fix `transaction` reverting for migrationsfatkodima2018-09-263-5/+39
| | | | | | | | [fatkodima & David Verhasselt]
* | Add migrations_paths option to model generatorGannon McGibbon2018-09-271-0/+1
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* | Avoid extra touch queries when counter cache is updatedRyuta Kamizono2018-09-271-2/+8
| | | | | | | | Since counter cache handles touch option too.
* | Refactor counter cache to extract `decrement_counters_before_last_save` on ↵Ryuta Kamizono2018-09-272-48/+31
| | | | | | | | the belongs_to association
* | Use -X when loading structure.sql via psqlJ Smith2018-09-271-1/+1
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* | Removed invalid -X flag for pg_dumpMatthias Winkelmann2018-09-271-1/+1
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* Merge pull request #33983 from gmcgibbon/raise_if_fixture_path_blankRafael França2018-09-261-0/+1
|\ | | | | 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/+1
| | | | | | | | [Gannon McGibbon + Max Albrecht]
* | Merge pull request #31819 from bpohoriletz/masterEileen M. Uchitelle2018-09-261-4/+3
|\ \ | | | | | | If association is a hash-like object preloading fails
| * | If association is a hash-like object preloading failsBohdan Pohorilets2018-09-261-4/+3
| | | | | | | | | | | | | | | | | | 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 Kamizono2018-09-261-6/+2
| |/ |/| | | | | | | | | | | `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/+10
| | | | | | | | | | | | | | | | 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 Kamizono2018-09-261-10/+3
|/ | | | Fixes #19550.
* Merge pull request #33968 from gmcgibbon/stringify_db_configurationsRafael França2018-09-251-2/+2
|\ | | | | Stringify database configurations
| * Stringify database configurationsGannon McGibbon2018-09-241-2/+2
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* | Remove `counter_cache_target` which is no longer calledRyuta Kamizono2018-09-261-10/+1
| | | | | | | | | | `counter_cache_target` is called only when updated counter cache in replacing target, but it was already removed at #33913.
* | Abandon TOP support.Vladimir Kochnev2018-09-257-23/+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.
* Eagerly define attribute methods in productionEugene Kenny2018-09-241-0/+8
| | | | | | | | | | | | | The attribute methods for a model are currently defined lazily the first time that model is instantiated, even when `config.eager_load` is true. This means the first request to use each model incurs the cost, which usually involves a database round trip to fetch the schema definition. By defining the attribute methods for all models while the application is booting, we move that work out of any individual request. When using a forking web server, this also reduces the number of times the schema definition is queried by doing it once in the parent process instead of from each forked process during their first request.
* `Persistence#increment!` requires an attribute argument which is incrementedRyuta Kamizono2018-09-241-1/+1
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* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-2318-29/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 França2018-09-211-3/+5
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* Merge pull request #33932 from schneems/schneems/recyclable-key-support-cacheRichard Schneeman2018-09-211-0/+25
|\ | | | | [close #33907] Error when using "recyclable" cache keys with a store that does not support it
| * Switch to supports_cache_versioning? check to a class methodschneems2018-09-201-7/+9
| | | | | | | | | | - Moving the `supports_cache_versioning?` check to a class method. - Shorten the method doc. - Expand on the error message.
| * [close #33907] Error when using "recyclable" cache keys with a store that ↵schneems2018-09-201-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | does not support it If you are using the "in cache versioning" also known as "recyclable cache keys" the cache store must be aware of this scheme, otherwise you will generate cache entries that never invalidate. This PR adds a check to the initialization process to ensure that if recyclable cache keys are being used via ``` config.active_record.cache_versioning = true ``` Then the cache store needs to show that it supports this versioning scheme. Cache stores can let Rails know that they support this scheme by adding a method `supports_in_cache_versioning?` and returning true.
* | Fix missing curly brace in documentationDavid Celis2018-09-201-0/+1
| | | | | | This example was just missing a closing curly brace to complete the closure 😄
* | Merge pull request #33906 from dark-panda/ignore-psqlrc-when-using-psqlRafael França2018-09-201-1/+1
|\ \ | |/ |/| Ignore psqlrc files when executing psql commands
| * Ignore psqlrc files when executing psql commandsJ Smith2018-09-171-1/+1
| | | | | | | | | | | | 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 Kamizono2018-09-211-2/+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
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