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* Add assertions for lazy sync transaction stateRyuta Kamizono2019-04-101-36/+49
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* Remove unused `sequence_name` in `sql_for_insert`Ryuta Kamizono2019-04-102-3/+3
| | | | | | | | | | All adapters (sqlite3, mysql2, postgresql, oracle-enhanced, sqlserver) doesn't use `sequence_name` in `sql_for_insert`. https://github.com/rsim/oracle-enhanced/blob/4e0db270a93859c9713fd079dbb315b9fe550e57/lib/active_record/connection_adapters/oracle_enhanced/database_statements.rb#L79-L85 https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/blob/959fe8f49744460b876bc205c73259f8d4f37629/lib/active_record/connection_adapters/sqlserver/database_statements.rb#L226-L249 It can be handled in `exec_insert` like postgresql adapter if we want.
* There is no need to create `QueryAttribute` to just type cast a valueRyuta Kamizono2019-04-102-4/+2
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* Merge pull request #35875 from Shopify/alloc-free-comparisonsRafael França2019-04-094-32/+38
|\ | | | | Improve == and hash methods on various schema cache structs to be allocation free.
| * Improve == and hash methods on various schema cache structs to be allocation ↵Jean Boussier2019-04-094-32/+38
| | | | | | | | | | | | | | | | free. The previous implementation would allocate 2 arrays per comparisons. I tried relying on Struct, but they do allocate one Hash inside `Struct#hash`.
* | Clarify exists check in logsDan Fitch2019-04-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The default log messages for Model.exists?, when called from .save on an object which uses scoped uniqueness validation like: class Example < ApplicationRecord validates :field, uniqueness: {scope: parent_id} end can result in slightly misleading logs. An example case: ↳ app/controllers/example_controller.rb:23 (0.2ms) begin transaction ↳ app/controllers/example_controller.rb:39 Example Exists (0.2ms) SELECT 1 AS one FROM "examples" WHERE "examples"."field" IS NULL AND "examples"."parent_id" = ? LIMIT ? [["parent_id", 123], ["LIMIT", 1]] ↳ app/controllers/example_controller.rb:39 (0.1ms) rollback transaction To me, a Rails newbie, this parsed as the following: - started the transaction to create a thing - found that your object exists already! - so we rolled back the transaction (even though the actual cause of the transaction is something that happens after the Exists check.) All this does is add a question mark to the message, to make it clear in the log that this is a check, not a confirmation. This may be kind of silly, but it may save some future goofs by newbs like me.
* | Merge pull request #35909 from simi/alias-postgresql-adapterRyuta Kamizono2019-04-101-0/+1
|\ \ | | | | | | Bring back postgresql_version as an alias.
| * | Bring back postgresql_version as an alias.Josef Šimánek2019-04-091-0/+1
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* | Remove duplicated attribute alias resolution in `_select!`Ryuta Kamizono2019-04-092-6/+4
| | | | | | | | This is also resolved in `arel_column`.
* | `get_database_version` is not public API [ci skip]Ryuta Kamizono2019-04-091-1/+1
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* Fix upsert method commentRyo Hashimoto2019-04-091-1/+1
| | | | | Because this method only updates or inserts a single record like `insert` method.
* Merge pull request #34800 from mqchau/mysqlCountDeleteRowInLockMatthew Draper2019-04-092-1/+31
|\ | | | | Wrap Mysql count of deleted rows in lock block to avoid conflict in test
| * Wrap Mysql count of deleted rows in lock block to avoid conflict in testQuan Chau2019-04-082-1/+31
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* | Merge pull request #35887 from kamipo/argument_errorRyuta Kamizono2019-04-0910-18/+40
|\ \ | | | | | | Raise `ArgumentError` for invalid `:limit` and `:precision` like as other options
| * | Raise `ArgumentError` for invalid `:limit` and `:precision` like as other ↵Ryuta Kamizono2019-04-0710-18/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | options When I've added new `:size` option in #35071, I've found that invalid `:limit` and `:precision` raises `ActiveRecordError` unlike other invalid options. I think that is hard to distinguish argument errors and statement invalid errors since the `StatementInvalid` is a subclass of the `ActiveRecordError`. https://github.com/rails/rails/blob/c9e4c848eeeb8999b778fa1ae52185ca5537fffe/activerecord/lib/active_record/errors.rb#L103 ```ruby begin # execute any migration rescue ActiveRecord::StatementInvalid # statement invalid rescue ActiveRecord::ActiveRecordError, ArgumentError # `ActiveRecordError` except `StatementInvalid` is maybe an argument error end ``` I'd say this is the inconsistency worth fixing. Before: ```ruby add_column :items, :attr1, :binary, size: 10 # => ArgumentError add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError add_column :items, :attr3, :integer, limit: 10 # => ActiveRecordError add_column :items, :attr4, :datetime, precision: 10 # => ActiveRecordError ``` After: ```ruby add_column :items, :attr1, :binary, size: 10 # => ArgumentError add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError add_column :items, :attr3, :integer, limit: 10 # => ArgumentError add_column :items, :attr4, :datetime, precision: 10 # => ArgumentError ```
* | | Merge pull request #35890 from kamipo/except_table_name_from_columnRyuta Kamizono2019-04-097-49/+48
|\ \ \ | | | | | | | | Except `table_name` from column objects
| * | | Except `table_name` from column objectsRyuta Kamizono2019-04-087-49/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The `table_name` was added at #23677 to detect whether serial column or not correctly. We can do that detection before initialize column object, it makes column object size smaller, and it probably helps column object de-duplication.
* | | | Merge pull request #35892 from ryohashimoto/bulk_insert_logsEileen M. Uchitelle2019-04-082-1/+53
|\ \ \ \ | | | | | | | | | | Improve log messages for #insert_all` / `#upsert_all` etc. methods
| * | | | Improve log messages for #insert_all` / `#upsert_all` / `#insert` / `#upsert ↵Ryo Hashimoto2019-04-082-1/+53
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | etc. methods In #35077, `#insert_all` / `#upsert_all` / `#insert` / `#upsert` etc. methods are added. But Active Record logs only “Bulk Insert” log messages when they are invoked. This commit improves the log messages to use collect words for how invoked them.
* | | | When skipping duplicates in bulk insert on MySQL, avoid assigning id when ↵Bob Lail2019-04-083-4/+42
| |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | not specified If `id` is an `AUTONUMBER` column, then my former strategy here of assigning `no_op_column` to an arbitrary column would fail in this specific scenario: 1. `model.columns.first` is an AUTONUMBER column 2. `model.columns.first` is not assigned in the insert attributes I added three tests: the first test covers the actual error; the second test documents that this _isn't_ a problem when a value is given for the AUTONUMBER column and the third test ensures that this no-op strategy isn't secretly doing an UPSERT.
* | | Fix GROUP BY with calculate longer name field to respect `table_alias_length`Ryuta Kamizono2019-04-086-11/+30
|/ / | | | | | | Follow up of c9e4c848eeeb8999b778fa1ae52185ca5537fffe.
* | Don't repeat same expression in SELECT and GROUP BY clausesRyuta Kamizono2019-04-061-26/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This refactors `execute_grouped_calculation` and slightly changes generated GROUP BY queries, since I'd not prefer to repeat same expression in SELECT and GROUP BY clauses. Before: ``` SELECT COUNT(*) AS count_all, "topics"."author_name" AS topics_author_name, COALESCE(type, title) AS coalesce_type_title FROM "topics" GROUP BY "topics"."author_name", COALESCE(type, title) ``` After: ``` SELECT COUNT(*) AS count_all, "topics"."author_name" AS topics_author_name, COALESCE(type, title) AS coalesce_type_title FROM "topics" GROUP BY topics_author_name, coalesce_type_title ``` Although we generally don't guarantee to support Arel node constructed by user itself, this also fixes #24207.
* | There is no need to check `null_relation?` in `empty_scope?`Ryuta Kamizono2019-04-063-1/+8
| | | | | | | | `values[:extending]` includes `NullRelation` if `null_relation?`.
* | Association loading isn't to be affected by null relation scopingRyuta Kamizono2019-04-063-3/+31
| | | | | | | | | | | | Follow up of #35868. Closes #19349.
* | Merge pull request #35868 from ↵Ryuta Kamizono2019-04-064-8/+48
|\ \ | | | | | | | | | | | | kamipo/association_isnt_to_be_affected_by_scoping_consistently Association loading isn't to be affected by scoping consistently
| * | Association loading isn't to be affected by scoping consistentlyRyuta Kamizono2019-04-054-8/+48
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Follow-up of 5c71000, #29834, and #30271. Currently, preloading and eager loading are not to be affected by scoping, with the exception of `unscoped`. But non eager loaded association access is still affected by scoping. Although this is a breaking change, the association loading will work consistently whether preloaded / eager loaded or not. Before: ```ruby Post.where("1=0").scoping do Comment.find(1).post # => nil Comment.preload(:post).find(1).post # => #<Post id: 1, ...> Comment.eager_load(:post).find(1).post # => #<Post id: 1, ...> end ``` After: ```ruby Post.where("1=0").scoping do Comment.find(1).post # => #<Post id: 1, ...> Comment.preload(:post).find(1).post # => #<Post id: 1, ...> Comment.eager_load(:post).find(1).post # => #<Post id: 1, ...> end ``` Fixes #34638. Fixes #35398.
* | Fix typo for touch later test description. laster -> laterAbhay Nikam2019-04-051-1/+1
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* | Merge pull request #35871 from kamipo/klass_level_touch_allRyuta Kamizono2019-04-053-2/+34
|\ \ | | | | | | Add missing `touch_all` delegation to relation
| * | Add missing `touch_all` delegation to relationRyuta Kamizono2019-04-053-2/+34
| |/ | | | | | | Follow up of #31513.
* / [ci skip] Mark ActiveRecord::TouchLater as private docAbhay Nikam2019-04-051-1/+1
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* `preloaded_records` no longer includes `nil` since #35496Ryuta Kamizono2019-04-051-1/+0
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* Remove duplicated `test_find_last`Ryuta Kamizono2019-04-051-5/+0
| | | | This is completely same with `test_last`.
* Stash `left_joins` into `joins` to deduplicate redundant LEFT JOINRyuta Kamizono2019-04-056-32/+45
| | | | | | | | | | | | | | | | | | | | | | | | | Originally the `JoinDependency` has the deduplication for eager loading (LEFT JOIN). This re-uses that deduplication for `left_joins`. And also, This makes left join order into part of joins, i.e.: Before: ``` association joins -> stash joins (eager loading, etc) -> string joins -> left joins ``` After: ``` association joins -> stash joins (eager loading, left joins, etc) -> string joins ``` Now string joins are able to refer left joins. Fixes #34325. Fixes #34332. Fixes #34536.
* Merge pull request #35698 from mtsmfm/output-test-reportMatthew Draper2019-04-041-0/+2
|\ | | | | Output junit format test report
| * Output junit format test reportFumiaki MATSUSHIMA2019-04-041-0/+2
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* | Fix `count(:all)` with eager loading and explicit select and orderRyuta Kamizono2019-04-043-4/+17
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This follows up ebc09ed9ad9a04338138739226a1a92c7a2707ee. We've still experienced a regression for `size` (`count(:all)`) with eager loading and explicit select and order when upgrading Rails to 5.1. In that case, the eager loading enforces `distinct` to subselect but still keep the custom select, it would cause the ORDER BY with DISTINCT issue. ``` % ARCONN=postgresql bundle exec ruby -w -Itest test/cases/relations_test.rb -n test_size_with_eager_loading_and_custom_select_and_order Using postgresql Run options: -n test_size_with_eager_loading_and_custom_select_and_order --seed 8356 # Running: E Error: RelationTest#test_size_with_eager_loading_and_custom_select_and_order: ActiveRecord::StatementInvalid: PG::InvalidColumnReference: ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list LINE 1: ..." ON "comments"."post_id" = "posts"."id" ORDER BY comments.i... ^ ``` As another problem on `distinct` is enforced, the result of `count` becomes fewer than expected if `select` is given explicitly. e.g. ```ruby Post.select(:type).count # => 11 Post.select(:type).distinct.count # => 3 ``` As long as `distinct` is enforced, we need to care to keep the result of `count`. This fixes both the `count` with eager loading problems.
* Refactor `Relation#cache_key` is moved from ↵Ryuta Kamizono2019-04-045-54/+49
| | | | | | | | | | | | `CollectionCacheKey#collection_cache_key` The implementation of `Relation#cache_key` depends on some internal relation methods (e.g. `apply_join_dependency`, `build_subquery`), but somehow that implementation exists on the model class (`collection_cache_key`), it sometimes bothers to me. This refactors that implementation moves to `Relation#cache_key`, then we can avoid `send` to call internal methods.
* Optimizer hints should be applied on Top level query as much as possibleRyuta Kamizono2019-04-045-5/+30
| | | | | I've experienced this issue in our app, some hints only works on Top level query (e.g. `MAX_EXECUTION_TIME`).
* Don't drop internal metadata tablesRyuta Kamizono2019-04-041-4/+2
| | | | | | | | Some tests expects that internal metadata tables exists, and we should not use `create_table` in transactional tests, since DDL in MySQL causes implicit commit. https://travis-ci.org/rails/rails/jobs/515438937#L3829
* Ensure `reset_table_name` when table name prefix/suffix is changedRyuta Kamizono2019-04-044-17/+15
| | | | | Also, `reset_column_information` is unnecessary since `reset_table_name` does that too.
* Clear query cache when truncate table(s)Ryuta Kamizono2019-04-042-9/+38
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* Fix fragile testsRyuta Kamizono2019-04-041-2/+4
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* Respect table name prefix/suffix for `truncate_all`Ryuta Kamizono2019-04-045-5/+67
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* Use `execute_batch2` rather than `execute_batch` to fix performance ↵Ryuta Kamizono2019-04-042-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | regression for fixture loading d8d6bd5 makes fixture loading to bulk statements by using `execute_batch` for sqlite3 adapter. But `execute_batch` is slower and it caused the performance regression for fixture loading. In sqlite3 1.4.0, it have new batch method `execute_batch2`. I've confirmed `execute_batch2` is extremely faster than `execute_batch`. So I think it is worth to upgrade sqlite3 to 1.4.0 to use that method. Before: ``` % ARCONN=sqlite3 bundle exec ruby -w -Itest test/cases/associations/eager_test.rb -n test_eager_loading_too_may_ids Using sqlite3 Run options: -n test_eager_loading_too_may_ids --seed 35790 # Running: . Finished in 202.437406s, 0.0049 runs/s, 0.0049 assertions/s. 1 runs, 1 assertions, 0 failures, 0 errors, 0 skips ARCONN=sqlite3 bundle exec ruby -w -Itest -n test_eager_loading_too_may_ids 142.57s user 60.83s system 98% cpu 3:27.08 total ``` After: ``` % ARCONN=sqlite3 bundle exec ruby -w -Itest test/cases/associations/eager_test.rb -n test_eager_loading_too_may_ids Using sqlite3 Run options: -n test_eager_loading_too_may_ids --seed 16649 # Running: . Finished in 8.471032s, 0.1180 runs/s, 0.1180 assertions/s. 1 runs, 1 assertions, 0 failures, 0 errors, 0 skips ARCONN=sqlite3 bundle exec ruby -w -Itest -n test_eager_loading_too_may_ids 10.71s user 1.36s system 95% cpu 12.672 total ```
* Merge pull request #35795 from alimi/cache-database-versionEileen M. Uchitelle2019-04-0318-67/+106
|\ | | | | Cache database version in schema cache
| * Cache database version in schema cacheAli Ibrahim2019-04-0318-67/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * The database version will get cached in the schema cache file during the schema cache dump. When the database version check happens, the version will be pulled from the schema cache and thus avoid querying the database for the version. * If the schema cache file doesn't exist, we'll query the database for the version and cache it on the schema cache object. * To facilitate this change, all connection adapters now implement #get_database_version and #database_version. #database_version returns the value from the schema cache. * To take advantage of the cached database version, the database version check will now happen after the schema cache is set on the connection in the connection pool.
* | [ci skip] Touch up `db:prepare` changelog entryKasper Timm Hansen2019-04-031-1/+3
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* | Add rake db:prepare entry to the CHANGELOG.mdRoberto Miranda2019-04-031-0/+4
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* | `bytes_margin` is only needed when `previous_packet` existsRyuta Kamizono2019-04-031-5/+2
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* | Don't assign to `@changed_attributes` in `becomes`Ryuta Kamizono2019-04-031-1/+0
| | | | | | | | `@changed_attributes` is no longer used since #30985.
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