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* Add Relation#pick as short-hand for single-value plucks (#31941)David Heinemeier Hansson2018-02-091-0/+18
| | | * Add Relation#pick as short-hand for single-value plucks
* Fix marshaling of models with `has_many :through` associationsfatkodima2018-02-081-2/+2
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* Revert "✂️"Ryuta Kamizono2018-02-071-1/+2
| | | | | | | | This reverts commit 487a1061cc496455dfe5ee84d1e49d509c1675b5. This `#--` is necessary for the doc of `distinct`. [ci skip]
* ✂️schneems2018-02-061-2/+1
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* Invoke `load_schema` in `_default_attributes`Ryuta Kamizono2018-02-061-0/+1
| | | | | | | | | | | | | Currently `_default_attributes` doesn't work unless `load_schema` is called before. The `MissingAttributeError` is caused by `reload_schema_from_cache` is invoked by `serialize`. I added `load_schema` in `_default_attributes` to `_default_attributes` works without any dependency like `attribute_types` etc. Closes #31905.
* Don't output information on drop if not verboseeileencodes2018-02-051-1/+1
| | | | | Followup to b988ecb, when I cherry-picked from my parallel testing branch I didn't realize `drop` wasn't part of the commit.
* Add ability to turn off verbose for database taskseileencodes2018-02-051-3/+7
| | | | | | | | | | | | | | | You could use the `VERBOSE` env var to turn off output for migrations tasks but you couldn't use it for other tasks. This change moves the `verbose?` check to a method so we can also use it in create and drop respectively. tenderlove and I noticed this as part of the ongoing work in parallel testing. When the parallel tests boot the app needs to create new databases for each worker. The output from these is unnecessary but there was previously no way to turn it off. Now if `VERBOSE=false` is passes to `bin/rails db:create` the text "Created blah blah db" will no longer be output.
* Prefer `@connection.abandon_results!` than `@connection.next_result while ↵Ryuta Kamizono2018-02-041-1/+1
| | | | @connection.more_results?`
* Add nodoc to `migrations_paths` and `migration_context` in `AbstractAdapter`Ryuta Kamizono2018-02-041-2/+2
| | | | | | These are internally used only. [ci skip]
* Fix `Unknown migration version "6.0"`Yuji Yaginuma2018-01-311-1/+4
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* Start Rails 6.0 development!!!Rafael Mendonça França2018-01-301-3/+3
| | | | :tada::tada::tada:
* Remove unused `require "active_record/tasks/database_tasks"`Ryuta Kamizono2018-01-301-1/+0
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* Merge pull request #31814 from fatkodima/index-nulls-orderRafael França2018-01-291-2/+6
|\ | | | | Dump correctly index nulls order for PostgreSQL
| * Dump correctly index nulls order for postgresqlfatkodima2018-01-281-2/+6
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* | Merge pull request #31821 from composerinteralia/extra-to_sGeorge Claghorn2018-01-298-9/+9
|\ \ | | | | | | Avoid extra calls to to_s
| * | Avoid extra calls to to_sDaniel Colson2018-01-298-9/+9
| | | | | | | | | | | | | | | | | | | | | With #31615 `type_for_attribute` accepts either a symbol as well as a string. `has_attribute?` and `attribute_alias` also accept either. Since these methods call `to_s` on the argument, we no longer need to do that at the call site.
* | | Deprecate `expand_hash_conditions_for_aggregates`Ryuta Kamizono2018-01-291-0/+1
|/ / | | | | | | | | This can not expand an array of aggregated objects correctly, and is no longer used internally since 159b21b5.
* | Fix the example of 'finding records by a value object' (#31818)Bogdan2018-01-291-2/+2
| | | | | | | | | | | | | | | | | | This example was added in abdf546ad6d02ecb95766e73cd3c645a48c954de but was inconsistent with `composed_of :balance` definition in the 'Customer'. [Ryuta Kamizono & bogdanvlviv] [ci skip]
* | Extract `discard_remaining_results` for mysql2 adapterRyuta Kamizono2018-01-292-4/+6
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* | Revert "Merge pull request #23256 from pauloancheta/master"Ryuta Kamizono2018-01-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 755f7b58953c25790eea0574ff8928033ded2d88, reversing changes made to 35db4603095e8ccc0a92d925a42d4b3d9462580f. Originally `mapping: %w(balance amount)` is correct mapping example. Closes #31346. [Ryuta Kamizono & bogdanvlviv] [ci skip]
* | Remove unused/missing `to_money` converter in the test/docRyuta Kamizono2018-01-291-2/+1
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* | Merge pull request #31615 from cben/type_for_attribute-symbolRyuta Kamizono2018-01-291-1/+2
|\ \ | | | | | | Allow type_for_attribute(:symbol)
| * | Allow type_for_attribute(:symbol)Beni Cherniavsky-Paskin2018-01-011-1/+2
| | | | | | | | | | | | Closes #31611.
* | | Fix expanding an array of `composed_of` objects which have multiple mappingsRyuta Kamizono2018-01-293-1/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Follow up of #31724. If `composed_of` objects have multiple mappings, array predicate handler can not correctly handle the expanded condition. We need to handle it like polymorphic association objects.
* | | Merge pull request #31724 from orekyuu/fix-expand-composed-object-arrayRyuta Kamizono2018-01-291-3/+5
|\ \ \ | | | | | | | | | | | | Fix not expanded problem when passing an Array object as argument to the where method using composed_of column.
| * | | Allow expanding an array of `composed_of` objectsRyuta Kamizono2018-01-291-6/+4
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| * | | Fix not expanded problem when passing an Array object as argument to the ↵orekyuu2018-01-261-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | where method using composed_of column. Fixes #31723 ``` david_balance = customers(:david).balance Customer.where(balance: [david_balance]).to_sql # Before: WHERE `customers`.`balance` = NULL # After : WHERE `customers`.`balance` = 50 ```
* | | | Define `supports_foreign_tables?` in AbstractAdapterYasuo Honda2018-01-281-0/+5
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* | | Use assert_predicate and assert_not_predicateDaniel Colson2018-01-251-3/+3
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* | | Bring back ability to insert zero value on primary key for fixtures (#31795)Ryuta Kamizono2018-01-263-22/+8
|/ / | | | | | | | | | | Since #29504, mysql2 adapter lost ability to insert zero value on primary key due to enforce `NO_AUTO_VALUE_ON_ZERO` disabled. That is for using `DEFAULT` on auto increment column, but we can use `NULL` instead in that case.
* | Update note on MySQL index order support [ci skip]Eugene Kenny2018-01-261-1/+1
| | | | | | | | | | MySQL supports descending indexes from 8.0.1 onwards: https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-1.html
* | Add test case for deprecated `insert_fixtures`Ryuta Kamizono2018-01-261-3/+5
| | | | | | | | Since #31422, `insert_fixtures` is deprecated.
* | Remove internal `typecasted_attribute_value` methodRyuta Kamizono2018-01-251-5/+1
| | | | | | | | It is useless since 90c8be76a7d00475be5ff4db2eeedde5cc936c2d.
* | Fix `count(:all)` with eager loading and having an order other than the ↵Ryuta Kamizono2018-01-251-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | driving table This is a regression caused by 6beb4de. In PostgreSQL, ORDER BY expressions must appear in SELECT list when using DISTINCT. When using `count(:all)` with eager loading, Active Record enforces DISTINCT to count the driving table records only. 6beb4de was caused the regression because `count(:all)` with DISTINCT path no longer removes ORDER BY. We need to ignore ORDER BY when DISTINCT is enforced, otherwise not always generated valid SQL for PostgreSQL. Fixes #31783.
* | Clear the transaction state when AR object is dupedYuriy Ustushenko2018-01-251-2/+4
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* | Merge pull request #31784 from composerinteralia/relation-signatureRafael França2018-01-248-9/+17
|\ \ | | | | | | Avoid passing unnecessary arguments to relation
| * | Avoid passing unnecessary arguments to relationDaniel Colson2018-01-248-9/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the time the table and predicate_builder passed to Relation.new are exactly the arel_table and predicate builder of the given klass. This uses klass.arel_table and klass.predicate_builder as the defaults, so we don't have to pass them in most cases. This does change the signaure of both Relation and AssocationRelation. Are we ok with that?
* | | Merge pull request #31690 from olivierlacan/no-verbose-query-logs-in-consoleRafael França2018-01-241-0/+1
|\ \ \ | |/ / |/| | Only enable verbose_query_logs in Rails server
| * | Disable verbose_query_logs in Rails ConsoleOlivier Lacan2018-01-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Should fix #31688 unless someone can point me to a better way to achieve this goal. Essentially David's point was that verbose query logging when enabled in Rails console tends to make things very noisy. That's especially true if we display absolute paths to callsites which sadly is still the case when we detect a caller that isn't part of the Rails application — think gems. Discussed this with both @matthewd and @rafaelfranca and went back and forth between enabling if defined?(Rails::Server) or this implementation and this one makes more sense for now. Long term I think it'll make sense to let people override this default disabling in Rails Console because they might want to use the feature but for now it feels like the correct default behavior.
* | | Make discard safe when it follows a manual disconnectMatthew Draper2018-01-251-1/+1
| | | | | | | | | | | | | | | | | | It doesn't have to do anything, but it shouldn't fail. Fixes #31766.
* | | Merge pull request #31773 from dinahshi/postgresql_bulk_patchMatthew Draper2018-01-241-1/+1
|\ \ \ | | | | | | | | Postgresql bulk_change_table should flatten procs array
| * | | Use concat to join procs arrays in bulk_change_tableDinah Shi2018-01-231-1/+1
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* | | | Merge pull request #31422 from Edouard-chin/multistatement-fixturesMatthew Draper2018-01-244-55/+139
|\ \ \ \ | | | | | | | | | | Build a multi-statement query when inserting fixtures
| * | | | Allow a 2 bytes margin:Edouard CHIN2018-01-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | - mysql will add a 2 bytes margin to the statement, so given a `max_allowed_packet` set to 1024 bytes, a 1024 bytes fixtures will no be inserted (mysql will throw an error) - Preventing this by decreasing the max_allowed_packet by 2 bytes when doing the comparison with the actual statement size
| * | | | Combine delete and insert statements in the same queryEdouard CHIN2018-01-222-13/+10
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| * | | | Build a multi-statement query when inserting fixtures:Edouard CHIN2018-01-224-55/+141
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - The `insert_fixtures` method can be optimized by making a single multi statement query for all fixtures having the same connection instead of doing a single query per table - The previous code was bulk inserting fixtures for a single table, making X query for X fixture files - This patch builds a single **multi statement query** for every tables. Given a set of 3 fixtures (authors, dogs, computers): ```ruby # before %w(authors dogs computers).each do |table| sql = build_sql(table) connection.query(sql) end # after sql = build_sql(authors, dogs, computers) connection.query(sql) ``` - `insert_fixtures` is now deprecated, `insert_fixtures_set` is the new way to go with performance improvement - My tests were done with an app having more than 700 fixtures, the time it takes to insert all of them was around 15s. Using a single multi statement query, it took on average of 8 seconds - In order for a multi statement to be executed, mysql needs to be connected with the `MULTI_STATEMENTS` [flag](https://dev.mysql.com/doc/refman/5.7/en/c-api-multiple-queries.html), which is done before inserting the fixtures by reconnecting to da the database with the flag declared. Reconnecting to the database creates some caveats: 1. We loose all open transactions; Inside the original code, when inserting fixtures, a transaction is open. Multple delete statements are [executed](https://github.com/rails/rails/blob/a681eaf22955734c142609961a6d71746cfa0583/activerecord/lib/active_record/fixtures.rb#L566) and finally the fixtures are inserted. The problem with this patch is that we need to open the transaction only after we reconnect to the DB otherwise reconnecting drops the open transaction which doesn't commit all delete statements and inserting fixtures doesn't work since we duplicated them (Primary key duplicate exception)... - In order to fix this problem, the transaction is now open directly inside the `insert_fixtures` method, right after we reconnect to the db - As an effect, since the transaction is open inside the `insert_fixtures` method, the DELETE statements need to be executed here since the transaction is open later 2. The same problem happens for the `disable_referential_integrity` since we reconnect, the `FOREIGN_KEY_CHECKS` is reset to the original value - Same solution as 1. , the disable_referential_integrity can be called after we reconnect to the transaction 3. When the multi statement query is executed, no other queries can be performed until we paginate over the set of results, otherwise mysql throws a "Commands out of sync" [Ref](https://dev.mysql.com/doc/refman/5.7/en/commands-out-of-sync.html) - Iterating over the set of results until `mysql_client.next_result` is false. [Ref](https://github.com/brianmario/mysql2#multiple-result-sets) - Removed the `active_record.sql "Fixture delete"` notification, the delete statements are now inside the INSERT's one - On mysql the `max_allowed_packet` is looked up: 1. Before executing the multi-statements query, we check the packet length of each statements, if the packet is bigger than the max_allowed_packet config, an `ActiveRecordError` is raised 2. Otherwise we concatenate the current sql statement into the previous and so on until the packet is `< max_allowed_packet`
* | | | | Merge pull request #31549 from fatkodima/foreign_tablesRyuta Kamizono2018-01-232-1/+15
|\ \ \ \ \ | | | | | | | | | | | | Support for PostgreSQL foreign tables
| * | | | | Support for PostgreSQL foreign tablesfatkodima2018-01-222-1/+15
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* | | | | | Fix building has_one through recordRyuta Kamizono2018-01-233-14/+10
|/ / / / / | | | | | | | | | | | | | | | Fixes #31762.
* | | | | Ignores a default subclass when `becomes(Parent)`Leonel Galan2018-01-221-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes issue described in #30399: A default value on the inheritance column prevented `child.becomes(Parent)` to return an instance of `Parent` as expected, instead it returns an instance of the default subclass. The change was introduced by #17169 and it was meant to affect initialization, alone. Where `Parent.new` is expected to return an instance of the default subclass.
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