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* Merge pull request #22122 from ↵Sean Griffin2015-10-303-0/+98
|\ | | | | | | | | samphilipd/sam/manual_locking_on_schema_migrations Make migrations concurrent safe (using advisory locks)
| * Use advisory locks to prevent concurrent migrationsSam Davies2015-10-303-0/+98
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Addresses issue #22092 - Works on Postgres and MySQL - Uses advisory locks because of two important properties: 1. The can be obtained outside of the context of a transaction 2. They are automatically released when the session ends, so if a migration process crashed for whatever reason the lock is not left open perpetually - Adds get_advisory_lock and release_advisory_lock methods to database adapters - Attempting to run a migration while another one is in process will raise a ConcurrentMigrationError instead of attempting to run in parallel with undefined behavior. This could be rescued and the migration could exit cleanly instead. Perhaps as a configuration option? Technical Notes ============== The Migrator uses generate_migrator_advisory_lock_key to build the key for the lock. In order to be compatible across multiple adapters there are some constraints on this key. - Postgres limits us to 64 bit signed integers - MySQL advisory locks are server-wide so we have to scope to the database - To fulfil these requirements we use a Migrator salt (a randomly chosen signed integer with max length of 31 bits) that identifies the Rails migration process as the owner of the lock. We multiply this salt with a CRC32 unsigned integer hash of the database name to get a signed 64 bit integer that can also be converted to a string to act as a lock key in MySQL databases. - It is important for subsequent versions of the Migrator to use the same salt, otherwise different versions of the Migrator will not see each other's locks.
* | Fix test failures caused by #19501Sean Griffin2015-10-292-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first one is quite straightforward. We want to give the proper error message in the case where a top level constant exists, but we're looking for a nested one. We just need to port over the change to use `subclass.name` into these changes. The second set of failures, which are only present in the mysql adapter tests, are stranger to me. The failure occurs because we were previously comparing `subclass.name == self.name` instead of `subclass == self`. However, I don't think that we need to support creating anonymous classes which share a table with a class that uses STI, overrides `name` to return the same name as athe class that we have no other relationship with, when not assigned to a constant so it could never be used anyway... The commits around why that exist give no context, and I think they're just poorly written tests (WTF does `test_schema` mean anyway, and why does calling `.first` on some anonymous class test it?). We'll just disable STI on that class.
* | tests, no every adapter supports "connection.version"Yves Senn2015-10-292-22/+24
|/ | | | | | | | | | | | | | | | | | | | | | | | This solves the following issue: ``` $ bin/test Using sqlite3 /Users/senny/Projects/rails/activerecord/test/cases/adapters/mysql2/sp_test.rb:16:in `<class:Mysql2StoredProcedureTest>': undefined method `version' for #<ActiveRecord::ConnectionAdapters::SQLite3Adapter:0x007f8bab4b5b70> (NoMethodError) from /Users/senny/Projects/rails/activerecord/test/cases/adapters/mysql2/sp_test.rb:5:in `<top (required)>' from /Users/senny/Projects/rails/activesupport/lib/active_support/dependencies.rb:302:in `require' from /Users/senny/Projects/rails/activesupport/lib/active_support/dependencies.rb:302:in `block in require' from /Users/senny/Projects/rails/activesupport/lib/active_support/dependencies.rb:268:in `load_dependency' from /Users/senny/Projects/rails/activesupport/lib/active_support/dependencies.rb:302:in `require' from /Users/senny/Projects/rails/railties/lib/rails/test_unit/test_requirer.rb:11:in `block in require_files' from /Users/senny/Projects/rails/railties/lib/rails/test_unit/test_requirer.rb:10:in `each' from /Users/senny/Projects/rails/railties/lib/rails/test_unit/test_requirer.rb:10:in `require_files' from /Users/senny/Projects/rails/railties/lib/rails/test_unit/minitest_plugin.rb:69:in `plugin_rails_init' from /Users/senny/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/minitest-5.3.3/lib/minitest.rb:73:in `block in init_plugins' from /Users/senny/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/minitest-5.3.3/lib/minitest.rb:71:in `each' from /Users/senny/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/minitest-5.3.3/lib/minitest.rb:71:in `init_plugins' from /Users/senny/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/gems/minitest-5.3.3/lib/minitest.rb:122:in `run' from bin/test:19:in `<main>' ```
* Remove `#tables` extra args againRyuta Kamizono2015-10-221-3/+2
| | | | | | This issue was resolved by #21687 already. But re-add args by #18856. `#tables` extra args was only using by `#table_exists?`. This is for internal API. This commit will remove these extra args again.
* Do not cache prepared statements that are unlikely to have cache hitsSean Griffin2015-10-202-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prior to this commit, Rails makes no differentiation between whether a query uses bind parameters, and whether or not we cache that query as a prepared statement. This leads to the cache populating extremely fast in some cases, with the statements never being reused. In particular, the two problematic cases are `where(foo: [1, 2, 3])` and `where("foo = ?", 1)`. In both cases we'll end up quoting the values rather than using a bind param, causing a cache entry for every value ever used in that query. It was noted that we can probably eventually change `where("foo = ?", 1)` to use a bind param, which would resolve that case. Additionally, on PG we can change our generated query to be `WHERE foo = ANY($1)`, and pass an array for the bind param. I hope to accomplish both in the future. For SQLite and MySQL, we still end up preparing the statements anyway, we just don't cache it. The statement will be cleaned up after it is executed. On postgres, we skip the prepare step entirely, as an API is provided to execute with bind params without preparing the statement. I'm not 100% happy on the way this ended up being structured. I was hoping to use a decorator on the visitor, rather than mixing a module into the object, but the way Arel has it's visitor pattern set up makes it very difficult to extend without inheritance. I'd like to remove the duplication from the various places that are extending it, but that'll require a larger restructuring of that initialization logic. I'm going to take another look at the structure of it soon. This changes the signature of one of the adapter's internals, and will require downstream changes from third party adapters. I'm not too worried about this, as worst case they can simply add the parameter and always ignore it, and just keep their previous behavior. Fixes #21992.
* Merge pull request #21932 from kamipo/add_stored_procedure_test_in_mysql2Sean Griffin2015-10-203-14/+48
|\ | | | | Add stored procedure test in mysql2
| * Add stored procedure test in mysql2Ryuta Kamizono2015-10-153-14/+48
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* | Fix to correctly schema dump the `tinyblob`Ryuta Kamizono2015-10-152-2/+2
|/ | | | | | Currently `tinyblob` is dumped to `t.binary "tiny_blob", limit: 255`. But `t.binary ... limit: 255` is generating SQL to `varchar(255)`. It is incorrect. This commit fixes this problem.
* Merge pull request #21288 from yahonda/mysql_requires_passwordArthur Nogueira Neves2015-10-121-1/+1
|\ | | | | Allow mysql and mysql2 tests run by database user with password
| * Allow mysql and mysql2 tests run by database user with passwordYasuo Honda2015-08-181-1/+1
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* | Remove unused `pk_and_sequence_for` in AbstractMysqlAdapterRyuta Kamizono2015-10-081-24/+0
| | | | | | | | | | | | `pk_and_sequence_for` is implemented for PG and MySQL adapters (not implemented for Sqlite3 adapter). But MySQL adapters are not using `pk_and_sequence_for` already.
* | Merge pull request #21697 from gdeglin/fix_returning_disabled_default_values_bugSean Griffin2015-09-241-0/+14
|\ \ | | | | | | | | | Fix a bug with returning_disabled when using the postgresql adapter
| * | Fix a bug with returning_disabled when using the postgresql adapterGeorge Deglin2015-09-201-0/+15
| | | | | | | | | | | | The returning_disabled configuration option is required to make postgresql partitioning triggers work. This commit fixes a bug where an invalid query would be made in cases where returning_disabled was true and objects were created with no attributes defined.
* | | introduce `conn.data_source_exists?` and `conn.data_sources`.Yves Senn2015-09-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These new methods are used from the Active Record model layer to determine which relations are viable to back a model. These new methods allow us to change `conn.tables` in the future to only return tables and no views. Same for `conn.table_exists?`. The goal is to provide the following introspection methods on the connection: * `tables` * `table_exists?` * `views` * `view_exists?` * `data_sources` (views + tables) * `data_source_exists?` (views + tables)
* | | fix `bin/test -a sqlite3_mem`.Yves Senn2015-09-221-19/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should not run MysqlAdapter tests when running with `sqlite3_mem`. This also moves the test-case outside the MysqlAdapter namespace. This will prevent the following error when running everything: ``` 1) Error: TestAdapterWithInvalidConnection#test_inspect_on_Model_class_does_not_raise: TypeError: superclass mismatch for class MysqlAdapter ```
* | | Eliminate `test_tables_quoting` following seems to be left in #21687Ronak Jangir2015-09-211-8/+0
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* | Merge pull request #21687 from kamipo/refactor_table_existsAndrew White2015-09-201-8/+0
|\ \ | | | | | | Refactor `table_exists?` in AbstractMysqlAdapter
| * | Refactor `table_exists?` in AbstractMysqlAdapterRyuta Kamizono2015-09-201-8/+0
| | | | | | | | | | | | | | | | | | `table_exists?` calls `tables` twice when passed `'dbname.tblname'` arg. This change is that `table_exists?` execute only once query always and extra args of `tables` is removed.
* | | :scissors: empty line at the top of filesAkira Matsuda2015-09-211-1/+0
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* | Merge pull request #17696 from kamipo/unsigned_integer_supportJeremy Daer2015-09-192-4/+74
|\ \ | | | | | | | | | Add `unsigned` support for numeric data types in MySQL
| * | Add `unsigned` types for numeric data types in MySQLRyuta Kamizono2015-09-182-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the case of using `unsigned` as the type: create_table :foos do |t| t.unsigned_integer :unsigned_integer t.unsigned_bigint :unsigned_bigint t.unsigned_float :unsigned_float t.unsigned_decimal :unsigned_decimal, precision: 10, scale: 2 end
| * | Add `unsigned` support for numeric data types in MySQLRyuta Kamizono2015-09-182-4/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Example: create_table :foos do |t| t.integer :unsigned_integer, unsigned: true t.bigint :unsigned_bigint, unsigned: true t.float :unsigned_float, unsigned: true t.decimal :unsigned_decimal, unsigned: true, precision: 10, scale: 2 end
* | | Merge pull request #19086 from kamipo/move_explain_into_abstract_mysql_adapterJeremy Daer2015-09-191-0/+27
|\ \ \ | | | | | | | | | | | | Move `explain` into `AbstractMysqlAdapter`
| * | | Move `explain` into `AbstractMysqlAdapter`Ryuta Kamizono2015-03-011-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Common methods in both mysql adapters are should be added to `AbstractMysqlAdapter`, but some methods had been added to `Mysql2Adapter`. (8744632f, 0306f82e, #14359) Some methods already moved from `Mysql2Adapter` to `AbstractMysqlAdapter`. (#17601, #17998) Common methods in both mysql adapters are remaining only the `explain` method in `Mysql2Adapter`.
* | | | Merge pull request #21607 from kamipo/remove_unnecessary_display_widthJeremy Daer2015-09-192-5/+5
|\ \ \ \ | | | | | | | | | | Remove unnecessary display width
| * | | | Remove unnecessary display widthRyuta Kamizono2015-09-162-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The **(11)** does not affect the storage size of the data type, which for an INT will always be 4 bytes. It affects the **display width**. http://www.tocker.ca/2015/07/02/proposal-to-deprecate-mysql-integer-display-width-and-zerofill.html
* | | | | Should test both mysql adaptersRyuta Kamizono2015-09-202-20/+16
| | | | | | | | | | | | | | | | | | | | | | | | | Some test cases are testing only mysql adapter. We should test mysql2 adapter also.
* | | | | Remove `@connection` in `StatementPool`Ryuta Kamizono2015-09-202-2/+2
| |_|/ / |/| | | | | | | | | | | | | | | `@connection` in `StatementPool` is only used for PG adapter. No need for abstract `StatementPool` class.
* | | | File encoding is defaulted to utf-8 in Ruby >= 2.1Akira Matsuda2015-09-181-1/+0
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* | | Merge pull request #21528 from yui-knk/test/add_tests_for_mysql2_viewYves Senn2015-09-081-64/+0
|\ \ \ | | | | | | | | Add tests for test/cases/adapters/mysql2/view_test.rb
| * | | Add view tests for MySQLyui-knk2015-09-081-64/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Basically view tests for MySQL are same with `test/cases/adapters/postgresql/view_test.rb`. So move `test/cases/adapters/postgresql/view_test.rb` to `test/cases/view_test.rb` and make them only run if `current_adapter` supports writable view.
* | | | Fix test failures from premature merge of #21317Matthew Draper2015-09-071-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Apparently I managed to forget how similar the "tests passing" and "no status reported" merge indicators look. Note that the previous `stubs` in test_add_index wasn't working: the method was still called, and just happened to return false.
* | | | Support dropping indexes concurrently in PostgresGrey Baker2015-09-052-2/+11
|/ / / | | | | | | | | | | | | See http://www.postgresql.org/docs/9.4/static/sql-dropindex.html for more details.
* | | pg, `create_schema`, `drop_schema` and `rename_table` quote schema name.Yves Senn2015-08-281-7/+47
| | | | | | | | | | | | | | | | | | | | | | | | Closes #21418. Previously schema names were not quoted. This leads to issues when a schema names contains a ".". Methods in `schema_statements.rb` should quote user input.
* | | PostgreSQL, add `:if_exists` to `#drop_schema`.Yves Senn2015-08-282-11/+22
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* | | Removed mocha from Active Record Part 1Ronak Jangir2015-08-251-7/+10
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* | | Add a native JSON data type support in MySQLRyuta Kamizono2015-08-181-0/+172
| |/ |/| | | | | | | | | | | | | | | | | As of MySQL 5.7.8, MySQL supports a native JSON data type. Example: create_table :json_data_type do |t| t.json :settings end
* | use `assert_not` instead of `refute` as mentioned in our guides.Yves Senn2015-08-132-2/+2
| | | | | | | | | | | | | | | | | | | | | | As described in the "Follow Coding Conventions" section in our contribution guide (http://edgeguides.rubyonrails.org/contributing_to_ruby_on_rails.html#follow-the-coding-conventions) we favor `assert_not` over `refute`. While we don't usually make stylistic changes on it's own I opted to do it in this case. The reason being that test cases are usually copied as a starting point for new tests. This results in a spread of `refute` in files that have been using it already.
* | Remove @connection instance variable only when definedYasuo Honda2015-07-261-2/+2
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* | Remove ivar only when definedAkira Matsuda2015-07-241-2/+2
| | | | | | | | this fixes a failing test case
* | Ensure that microsecond precision is only used for version of mysql that ↵Jori Hardman2015-07-202-0/+35
| | | | | | | | support it. Fixes #19711
* | Display decimal defaults as strings to keep precisionJohn Gesimondo2015-06-232-1/+6
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* | make it possible to run AR tests with bin/testYves Senn2015-06-1176-223/+203
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* | Return a `Point` object from the PG Point typeSean Griffin2015-06-051-11/+108
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This introduces a deprecation cycle to change the behavior of the default point type in the PostgreSQL adapter. The old behavior will continue to be available for the immediate future as `:legacy_point`. The current behavior of returning an `Array` causes several problems, the most significant of which is that we cannot differentiate between an array of points, and a point itself in the case of a column with the `point[]` type. The attributes API gives us a reasonable way to have a proper deprecation cycle for this change, so let's take advantage of it. If we like this change, we can also add proper support for the other geometric types (line, lseg, box, path, polygon, and circle), all of which are just aliases for string today. Fixes #20441
* | Add collation support for string and text columns in SQLite3Akshay Vishnoi2015-05-282-4/+57
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* | If specify `strict: :default` explicitly, do not set sql_mode.Ryuta Kamizono2015-05-262-0/+18
| | | | | | | | Related with #17370.
* | More exercise the create index sql testsRyuta Kamizono2015-05-042-0/+74
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* | Merge pull request #17569 from kamipo/dump_table_optionsRafael Mendonça França2015-05-032-0/+84
|\ \ | | | | | | | | | Correctly dump `:options` on `create_table` for MySQL
| * | Correctly dump `:options` on `create_table` for MySQLRyuta Kamizono2015-05-032-0/+84
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