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* Merge pull request #34453 from bogdanvlviv/exercise-connected_to-and-connects_toAaron Patterson2018-11-191-1/+1
|\ | | | | Exercise `connected_to` and `connects_to` methods
| * Exercise `connected_to` and `connects_to` methodsbogdanvlviv2018-11-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since both methods are public API I think it makes sense to add these tests in order to prevent any regression in the behavior of those methods after the 6.0 release. Exercise `connected_to` - Ensure that the method raises with both `database` and `role` arguments - Ensure that the method raises without `database` and `role` Exercise `connects_to` - Ensure that the method returns an array of established connections(as mentioned in the docs of the method) Related to #34052
* | Fix typo and clarify documentationJacob Evelyn2018-11-161-3/+4
| | | | | | | | | | | | This commit fixes a small typo in documentation of the "UNLOGGED" table option for PostgreSQL databases, and clarifies the documentation slightly.
* | Fix cache_versioning default note (#34466)Gannon McGibbon2018-11-161-1/+1
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* | Arel: Implemented DB-aware NULL-safe comparison (#34451)Dmytro Shteflyuk2018-11-1513-0/+134
|/ | | | | | | | | * Arel: Implemented DB-aware NULL-safe comparison * Fixed where clause inversion for NULL-safe comparison * Renaming "null_safe_eq" to "is_not_distinct_from", "null_safe_not_eq" to "is_distinct_from" [Dmytro Shteflyuk + Rafael Mendonça França]
* Merge pull request #34437 from kbrock/union_all_parenRafael Mendonça França2018-11-132-32/+19
|\ | | | | | | Fix: Arel now emits a single pair of parens for UNION and UNION ALL
| * Emit single pair of parens for UNION and UNION ALLKeenan Brock2018-11-132-32/+19
| | | | | | | | | | | | | | | | mysql has a great implementation to suppress multiple parens for union sql statements. This moves that functionality to the generic implementation This also introduces that functionality for UNION ALL
* | Merge pull request #34436 from gmcgibbon/fix_default_max_bind_length_sqliteRafael França2018-11-131-0/+6
|\ \ | |/ |/| Adjust bind length of SQLite to default (999)
| * Adjust bind length of SQLite to default (999)Gannon McGibbon2018-11-131-0/+6
| | | | | | | | | | Change `#bind_params_length` in SQLite adapter to return the default maximum amount (999). See https://www.sqlite.org/limits.html
* | Add support for UNLOGGED Postgresql tablesJacob Evelyn2018-11-134-1/+36
|/ | | | | | | | | | | This commit adds support for the `ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.create_unlogged_tables` setting, which turns `CREATE TABLE` SQL statements into `CREATE UNLOGGED TABLE` statements. This can improve PostgreSQL performance but at the cost of data durability, and thus it is highly recommended that you *DO NOT* enable this in a production environment.
* Remove ensure from with_transaction_returning_statusEugene Kenny2018-11-111-4/+0
| | | | | | | | | | | | | | | | | The test added in 12b0b26df7560ab5199ba830586864085441508f passes even without this code since 9b8c7796a9c2048208aa843ad3dc477dffa8bdee, as the call to `id` in `remember_transaction_record_state` now triggers a `sync_with_transaction_state` which discards the leftover state from the previous transaction. This issue had already been fixed for `save!`, `destroy` and `touch` in caae79a385ce112245262a17414bcd96bea013c2, but continued to affect `save` because the call to `rollback_active_record_state!` in that method would increment the transaction level before `add_to_transaction` could clear it, preventing the fix from working correctly. As `rollback_active_record_state!` was removed entirely in 48007d5390db47fc1223f57c8e7ab3ebb7c3a3d7, this code is no longer needed.
* Deprecate `t.indexes = [...]` which is not by designRyuta Kamizono2018-11-091-2/+5
| | | | Use `t.index ...` instead.
* Refactor to initialize `TableDefinition` by kwargsRyuta Kamizono2018-11-092-4/+14
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* PostgreSQL: Properly quote all `Infinity` and `NaN`Ryuta Kamizono2018-11-091-4/+4
| | | | Since quoted `Infinity` and `NaN` are valid data for PostgreSQL.
* Add an :if_not_exists option to create_tablefatkodima2018-11-083-4/+10
| | | | [fatkodima & Stefan Kanev]
* Guard Enums against definitions with blank label namesChristophe Maximin2018-11-071-0/+4
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* Add multi-db support to schema cache dump and clearGannon McGibbon2018-11-072-5/+22
| | | | | Adds support for multiple databases to `rails db:schema:cache:dump` and `rails db:schema:cache:clear`.
* Always add records to parent of nested transactionEugene Kenny2018-11-071-1/+1
| | | | | | | | | | | | | | | | | | | When a record with transactional callbacks is saved, it's attached to the current transaction so that the callbacks can be run when the transaction is committed. Records can also be added manually with `add_transaction_record`, even if they have no transactional callbacks. When a nested transaction is committed, its records are transferred to the parent transaction, as transactional callbacks should only be run when the outermost transaction is committed (the "real" transaction). However, this currently only happens when the record has transactional callbacks, and not when added manually with `add_transaction_record`. If a record is added to a nested transaction, we should always attach it to the parent transaction when the nested transaction is committed, regardless of whether it has any transactional callbacks. [Eugene Kenny & Ryuta Kamizono]
* Fix inspect with non-primary key id attributeEugene Kenny2018-11-062-3/+3
| | | | | | | | | | | The `read_attribute` method always returns the primary key when asked to read the `id` attribute, even if the primary key isn't named `id`, and even if another attribute named `id` exists. For the `inspect`, `attribute_for_inspect` and `pretty_print` methods, this behaviour is undesirable, as they're used to examine the internal state of the record. By using `_read_attribute` instead, we'll get the real value of the `id` attribute.
* Move `resolve_sti_reflections` which is table row related code into `TableRow`Ryuta Kamizono2018-11-032-89/+78
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* Don't pass useless `table_name` to `ModelMetadata.new`Ryuta Kamizono2018-11-033-13/+4
| | | | | | | The `model_metadata` is only used if `model_class` is given. If `model_class` is given, the `table_name` is always `model_class.table_name`.
* Don't pass unused `connection` to `FixtureSet.new`Ryuta Kamizono2018-11-031-5/+2
| | | | | | | | | | The `@connection` is no longer used since ee5ab22. Originally the `@connection` was useless because it is only used in `timestamp_column_names`, which is only used if `model_class` is given. If `model_class` is given, the `@connection` is always `model_class.connection`.
* Checking boundable not only `IN` clause but also `NOT IN` clauseRyuta Kamizono2018-11-033-8/+20
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* Updating sample code on ActiveRecord#before_destroy callback [ci skip]Espartaco Palma2018-10-311-1/+1
| | | | It was executing a delete_all method with wrong parameter
* Fix "warning: shadowing outer local variable - role"Ryuta Kamizono2018-10-311-9/+13
| | | | Caused at #34196.
* Merge pull request #34353 from gmcgibbon/fix_lock_docs_locking_clauseRafael França2018-10-301-3/+3
|\ | | | | Fix example for database-specific locking clause
| * Fix example for database-specific locking clauseGannon McGibbon2018-10-301-3/+3
| | | | | | | | [ci skip]
* | Fix failing testSean Griffin2018-10-301-0/+1
|/ | | | | b63701e moved the assignment before the query, but we need to capture our old id before assignment in case we are assigning the id.
* `update_columns` raises if the column is unknownSean Griffin2018-10-301-4/+4
| | | | | | | | | Previosly, `update_columns` would just take whatever keys you gave it and tried to run the update query. Most likely this would result in an error from the database. However, if the column actually did exist, but was in `ignored_columns`, this would result in the method returning successfully when it should have raised, and an attribute that should not exist written to `@attributes`.
* Merge pull request #19388 from yakara-ltd/fix-habtm-fixture-orderRyuta Kamizono2018-10-301-0/+3
|\ | | | | Avoid violating key constraints in fixture HABTM associations
| * Avoid violating key constraints in fixture HABTM associationsJames Le Cuirot2018-10-291-0/+3
| | | | | | | | | | | | | | | | | | When loading fixtures, Ruby 1.9's hash key ordering means that HABTM join table rows are always loaded before the parent table rows, violating foreign key constraints that may be in place. This very simple change ensures that the parent table's key appears first in the hash. Violations may still occur if fixtures are loaded in the wrong order but those instances can be avoided unlike this one.
* | Merge pull request #34196 from gmcgibbon/connection_switch_string_nameEileen M. Uchitelle2018-10-301-6/+9
|\ \ | | | | | | Add support for hash and url configs to be used in connected_to
| * | Add support for hash and url configs in connected_toGannon McGibbon2018-10-261-6/+9
| | | | | | | | | | | | | | | Add support for hash and url configs in database hash of `ActiveRecord::Base.connected_to`.
* | | Document exception from restrict_with_exception [ci skip]Malcolm Locke2018-10-291-2/+2
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* | Ignore empty condition on #construct_relation_for_existsr7kamura2018-10-271-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | At https://github.com/rails/rails/commit/fc0e3354af7e7878bdd905a95ce4c1491113af9a, ```rb relation = relation.where(conditions) ``` was rewritten to: ```rb relation.where!(condition) ``` This change accidentally changed the result of `Topic.exists?({})` from true to false. To fix this regression, first I moved the blank check logic (`opts.blank?`) from `#where` to `#where!`, because I thought `#where!` should be identical to `#where`, except that instead of returning a new relation, it adds the condition to the existing relation. But on second thought after some discussion on https://github.com/rails/rails/pull/34329, I started to think that just fixing `#construct_relation_for_exists` is more preferable than changing `#where` and `#where!`.
* Merge pull request #34208 from yskkin/inspect_with_parameter_filterRyuta Kamizono2018-10-262-27/+33
|\ | | | | Implement AR#inspect using ParameterFilter
| * Implement AR#inspect using ParamterFilter.Yoshiyuki Kinjo2018-10-192-27/+33
| | | | | | | | | | | | | | | | | | AR instance support `filter_parameters` since #33756. Though Regex or Proc is valid as `filter_parameters`, they are not supported as AR#inspect. I also add :mask option and #filter_params to `ActiveSupport::ParameterFilter#new` to implement this.
* | Support default expression for MySQLRyuta Kamizono2018-10-251-4/+7
| | | | | | | | | | | | | | MySQL 8.0.13 and higher supports default value to be a function or expression. https://dev.mysql.com/doc/refman/8.0/en/create-table.html
* | Support expression indexes for MySQLRyuta Kamizono2018-10-252-4/+34
| | | | | | | | | | | | | | MySQL 8.0.13 and higher supports functional key parts that index expression values rather than column or column prefix values. https://dev.mysql.com/doc/refman/8.0/en/create-index.html
* | Merge pull request #34303 from kamipo/lazy_checking_boundableRafael França2018-10-242-4/+12
|\ \ | | | | | | Lazy checking whether or not values in IN clause are boundable
| * | Lazy checking whether or not values in IN clause are boundableRyuta Kamizono2018-10-242-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since #33844, eager loading/preloading with too many and/or too large ids won't be broken by pre-checking whether the value is constructable or not. But the pre-checking caused the type to be evaluated at relation build time instead of at the query execution time, that is breaking an expectation for some apps. I've made the pre-cheking lazy as much as possible, that is no longer happend at relation build time.
* | | Fix typo of duplicated `the` [ci skip]ohbarye2018-10-241-1/+1
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* | | Hide PG::Connection from API docs [ci skip]Francesco Rodríguez2018-10-231-1/+1
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* | | MySQL 8.0.13 raises `ER_NO_REFERENCED_ROW` and `ER_ROW_IS_REFERENCED`Yasuo Honda2018-10-231-1/+3
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | when user has no parent table access privileges Refer https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-13.html#mysqld-8-0-13-errors >> * Previously, the ER_NO_REFERENCED_ROW_2 and ER_ROW_IS_REFERENCED_2 error messages for foreign key operations were displayed and revealed information about parent tables, even when the user had no parent table access privileges. Error handling for this situation has been revised: * If the user does have table-level privileges for all parent tables, ER_NO_REFERENCED_ROW_2 and ER_ROW_IS_REFERENCED_2 are displayed, the same as before. * If the user does not have table-level privileges for all parent tables, more generic error messages are displayed instead (ER_NO_REFERENCED_ROW and ER_ROW_IS_REFERENCED). << This pull request addresses these 3 failures: ```ruby $ ARCONN=mysql2 bundle exec ruby -w -Itest test/cases/adapter_test.rb -n /foreign/ Using mysql2 Run options: -n /foreign/ --seed 14251 F Failure: ActiveRecord::AdapterForeignKeyTest#test_foreign_key_violations_are_translated_to_specific_exception_with_validate_false [test/cases/adapter_test.rb:348]: [ActiveRecord::InvalidForeignKey] exception expected, not Class: <ActiveRecord::StatementInvalid> Message: <"Mysql2::Error: Cannot add or update a child row: a foreign key constraint fails: INSERT INTO `fk_test_has_fk` (`fk_id`) VALUES (1231231231)"> ... snip ... rails test test/cases/adapter_test.rb:343 F Failure: ActiveRecord::AdapterForeignKeyTest#test_foreign_key_violations_on_delete_are_translated_to_specific_exception [test/cases/adapter_test.rb:368]: [ActiveRecord::InvalidForeignKey] exception expected, not Class: <ActiveRecord::StatementInvalid> Message: <"Mysql2::Error: Cannot delete or update a parent row: a foreign key constraint fails: DELETE FROM fk_test_has_pk WHERE pk_id = 1"> ... snip ... rails test test/cases/adapter_test.rb:365 F Failure: ActiveRecord::AdapterForeignKeyTest#test_foreign_key_violations_on_insert_are_translated_to_specific_exception [test/cases/adapter_test.rb:358]: [ActiveRecord::InvalidForeignKey] exception expected, not Class: <ActiveRecord::StatementInvalid> Message: <"Mysql2::Error: Cannot add or update a child row: a foreign key constraint fails: INSERT INTO fk_test_has_fk (fk_id) VALUES (0)"> ... snip ... rails test test/cases/adapter_test.rb:357 Finished in 0.087370s, 34.3366 runs/s, 34.3366 assertions/s. 3 runs, 3 assertions, 3 failures, 0 errors, 0 skips $ ```
* | Reduce string allocations in read/write_attributeEugene Kenny2018-10-212-8/+6
| | | | | | | | | | | | | | | | | | When `attr_name` is passed as a symbol, it's currently converted to a string by `attribute_alias?`, and potentially also `attribute_alias`, as well as by the `read_attribute`/`write_attribute` method itself. By converting `attr_name` to a string up front, the extra allocations related to attribute aliases can be avoided.
* | Don't expose internal `get_value`/`set_value` methodsRyuta Kamizono2018-10-182-11/+9
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* | Merge pull request #34197 from schneems/schneems/symbol-hash-respond_toRichard Schneeman2018-10-173-12/+11
|\ \ | | | | | | ActiveRecord#respond_to? No longer allocates strings
| * | ActiveRecord#respond_to? No longer allocates stringsschneems2018-10-153-12/+11
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is an alternative to https://github.com/rails/rails/pull/34195 The active record `respond_to?` method needs to do two things if `super` does not say that the method exists. It has to see if the "name" being passed in represents a column in the table. If it does then it needs to pass it to `has_attribute?` to see if the key exists in the current object. The reason why this is slow is that `has_attribute?` needs a string and most (almost all) objects passed in are symbols. The only time we need to allocate a string in this method is if the column does exist in the database, and since these are a limited number of strings (since column names are a finite set) then we can pre-generate all of them and use the same string. We generate a list hash of column names and convert them to symbols, and store the value as the string name. This allows us to both check if the "name" exists as a column, but also provides us with a string object we can use for the `has_attribute?` call. I then ran the test suite and found there was only one case where we're intentionally passing in a string and changed it to a symbol. (However there are tests where we are using a string key, but they don't ship with rails). As re-written this method should never allocate unless the user passes in a string key, which is fairly uncommon with `respond_to?`. This also eliminates the need to special case every common item that might come through the method via the `case` that was originally added in https://github.com/rails/rails/commit/f80aa5994603e684e3fecd3f53bfbf242c73a107 (by me) and then with an attempt to extend in https://github.com/rails/rails/pull/34195. As a bonus this reduces 6,300 comparisons (in the CodeTriage app homepage) to 450 as we also no longer need to loop through the column array to check for an `include?`.
* | Remove and flip `index: true` for `references` in the doc [ci skip]Ryuta Kamizono2018-10-172-8/+8
| | | | | | | | Follow up #32146.
* | Consolidate duplicated code that initializing an empty model objectRyuta Kamizono2018-10-172-20/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | `init_with` and `init_from_db` are almost the same code except decode `coder`. And also, named `init_from_db` is a little misreading, a raw values hash from the database is already converted to an attributes object by `attributes_builder.build_from_database`, so passed `attributes` in that method is just an attributes object. I renamed that method to `init_with_attributes` since the method is shared with `init_with` to initialize an empty model object.
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