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* applies remaining conventions across the projectXavier Noria2016-08-062-2/+1
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* normalizes indentation and whitespace across the projectXavier Noria2016-08-065-168/+168
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* remove redundant curlies from hash argumentsXavier Noria2016-08-062-9/+9
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* modernizes hash syntax in activerecordXavier Noria2016-08-065-34/+34
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* applies new string literal convention in activerecord/testXavier Noria2016-08-0618-149/+149
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* The problem isn't the detection but the deadlock itselfDavid Heinemeier Hansson2016-08-041-2/+2
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* Merge pull request #25107 from Erol/introduce-new-ar-transaction-error-classesRafael Mendonça França2016-08-031-20/+13
|\ | | | | | | | | | | Introduce new ActiveRecord transaction error classes Closes #26018
| * Introduce new ActiveRecord transaction error classesErol Fornoles2016-05-241-20/+13
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* | Extract foreign key action from `information_schema`Ryuta Kamizono2016-06-071-0/+21
| | | | | | | | Fixes #25300.
* | Do not include default column limit in schema.rbRyuta Kamizono2016-05-311-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Follow up of #20815. ```ruby class CreatePeople < ActiveRecord::Migration[5.0] def change create_table :people do |t| t.integer :int t.bigint :bint t.text :txt t.binary :bin end end end ``` Result. In postgresql and sqlite3 adapters: ```ruby ActiveRecord::Schema.define(version: 20160531141018) do create_table "people", force: :cascade do |t| t.integer "int" t.bigint "bint" t.text "txt" t.binary "bin" end end ``` In mysql2 adapter: ```ruby ActiveRecord::Schema.define(version: 20160531141018) do create_table "people", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4" do |t| t.integer "int" t.bigint "bint" t.text "txt", limit: 65535 t.binary "bin", limit: 65535 end end ``` After this patch: ```ruby ActiveRecord::Schema.define(version: 20160531141018) do create_table "people", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4" do |t| t.integer "int" t.bigint "bint" t.text "txt" t.binary "bin" end end ```
* Add AR::TransactionSerializationError for transaction serialization failures ↵Erol Fornoles2016-05-211-0/+62
| | | | or deadlocks
* Should quote `lock_name` to pass to `get_advisory_lock`Ryuta Kamizono2016-05-101-3/+3
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* Followup of #24835Vipul A M2016-05-031-2/+2
| | | | Fix failing tests
* Extract `add_sql_comment!` methodRyuta Kamizono2016-04-291-3/+3
| | | | | | Refactor of #22911. Signed-off-by: Jeremy Daer <jeremydaer@gmail.com>
* Dont simply assume a type is a valid database type. This is only always true ↵Vipul A M2016-04-251-0/+11
| | | | | | | in the case of sqlite. Others adapters need to perform a check for validity. Add coverage for mysql2 db type validation
* Properly serialize all JSON primitives in the AR JSON typeSean Griffin2016-04-131-4/+11
| | | | | | | | | | | | | | Previously we were assuming that the only valid types for encoding were arrays and hashes. However, any JSON primitive is an accepted value by both PG and MySQL. This does involve a minor breaking change in the handling of `default` in the schema dumper. This is easily worked around, as passing a hash/array literal would have worked fine in previous versions of Rails. However, because of this, I will not be backporting this to 4.2 or earlier. Fixes #24234
* Support microsecond datetime precision on MariaDB 5.3+.Jeremy Daer2016-04-082-21/+45
| | | | | | | | | We support microsecond datetime precision for MySQL 5.6.4+. MariaDB has supported it since 5.3.0, but even 10.x versions return a compatible version string like `5.5.5-10.1.8-MariaDB-log` which we parse as 5.5.5, before MySQL supported microsecond precision. Specialize our version check to account for MariaDB to fix.
* Use `QUOTED_TRUE` and `QUOTED_FALSE` instead of magic stringsyui-knk2016-04-051-2/+12
| | | | | | Because we define `QUOTED_TRUE` as `"1"` and `QUOTED_FALSE` as `"0"`. And add test cases to ensure this commit does not break current behavior even if the value of `attributes_before_type_cast` is false.
* Append sql_mode instead of overwriting in strict modeRyuta Kamizono2016-03-131-25/+25
| | | | For keep the default SQL mode.
* Merge pull request #23797 from ↵Rafael França2016-03-111-0/+9
|\ | | | | | | | | kamipo/case_sensitive_comparison_for_non_string_column The BINARY Operator is only needed for string columns
| * The BINARY Operator is only needed for string columnsRyuta Kamizono2016-02-221-0/+9
| | | | | | | | Follow up to #13040.
* | Dump `bigint` instead of `integer` with `limit: 8` for schema dumperRyuta Kamizono2016-03-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before: ```ruby create_table "big_numbers", force: :cascade do |t| t.integer "bigint_column", limit: 8 end ``` After: ```ruby create_table "big_numbers", force: :cascade do |t| t.bigint "bigint_column" end ```
* | Merge pull request #23953 from ↵Rafael França2016-03-011-19/+13
|\ \ | | | | | | | | | | | | kamipo/fix_tests_failure_with_prepared_statements_false Fix tests failure with `prepared_statements: false`
| * | Remove unnecessary namespaces in `explain_test.rb`Ryuta Kamizono2016-02-291-19/+13
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* / Fix `NoMethodError: undefined method `fields' for nil:NilClass`Ryuta Kamizono2016-02-291-0/+18
|/ | | | | | | | | | | | | | | | | Currently `exec_query` raises `NoMethodError` when executing no result queries (`INSERT`, `UPDATE`, `DELETE`, and all DDL) in mysql2 adapter. ``` irb(main):002:0> conn.execute("create table t(a int)") (43.3ms) create table t(a int) => nil irb(main):003:0> conn.execute("insert into t values (1)") (19.3ms) insert into t values (1) => nil irb(main):004:0> conn.exec_query("insert into t values (1)") SQL (28.6ms) insert into t values (1) NoMethodError: undefined method `fields' for nil:NilClass ```
* Avoid extra `show variables` in migrationRyuta Kamizono2016-02-011-5/+0
| | | | | | | | | | | | | `initialize_schema_migrations_table` is called in every migrations. https://github.com/rails/rails/blob/v5.0.0.beta1/activerecord/lib/active_record/migration.rb#L1080 https://github.com/rails/rails/blob/v5.0.0.beta1/activerecord/lib/active_record/schema.rb#L51 This means that extra `show variables` is called regardless of the existence of `schema_migrations` table. This change is to avoid extra `show variables` if `schema_migrations` table exists.
* Fix `bigint?` for Enum columns in MySQLRyuta Kamizono2016-01-311-0/+5
| | | | Follow up to #22896.
* [close #23009] Limit key lengthschneems2016-01-211-7/+29
| | | | | | | Mysql has a weird bug where it cannot index a string column of utf8mb4 if it is over a certain character limit. To get compatibility with msql we can add a limit to the key column. 191 characters is a very long key, it seems reasonable to limit across all adapters since using a longer key wouldn't be supported in mysql. Thanks to @kamipo for the original PR and the test refactoring. Conversation: https://github.com/rails/rails/pull/23009#issuecomment-171416629
* Fix `unsigned?` and `blob_or_text_column?` for Enum columns in MySQLRyuta Kamizono2016-01-041-1/+12
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* Merge pull request #22241 from kamipo/add_columns_for_distinct_for_mysql57Rafael França2015-12-301-0/+44
|\ | | | | Add `columns_for_distinct` for MySQL 5.7 with ONLY_FULL_GROUP_BY
| * Add `columns_for_distinct` for MySQL 5.7 with ONLY_FULL_GROUP_BYRyuta Kamizono2015-12-231-0/+44
| | | | | | | | | | | | | | | | | | In MySQL 5.7.5 and up, ONLY_FULL_GROUP_BY affects handling of queries that use DISTINCT and ORDER BY. It requires the ORDER BY columns in the select list for distinct queries, and requires that the ORDER BY include the distinct column. See https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html
* | Improve `select_one` in `Mysql2Adapter`Ryuta Kamizono2015-12-271-0/+6
| | | | | | | | | | Avoid instanciate `ActiveRecord::Result` and calling `ActiveRecord::Result#hash_rows` for the performance.
* | Add support for passing flags to MySQL2 adapter by arrayStephen Blackstone2015-12-221-1/+8
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* | Remove legacy mysql adapterRyuta Kamizono2015-12-211-4/+1
|/ | | | Follow up to #22642.
* These limits are now implicitMatthew Draper2015-12-182-2/+2
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* Allow users to pass flags from database.ymlStephen Blackstone2015-12-151-0/+7
| | | | | | Fix white-space Add test case demonstrating flags are received by the adapter
* Fix test failure in `adapters/mysql/active_schema_test.rb`Ryuta Kamizono2015-11-201-1/+1
| | | | Follow up to #21601.
* Rename 'key' to 'lock_id' or 'lock_name' for advisory lockingSam Davies2015-11-181-9/+9
| | | | | | | | | - key was a poor choice of name. A key implies something that will unlock a lock. The concept is actually more like a 'lock identifier' - mysql documentation calls this a 'lock name' - postgres documentation calls it a 'lock_id' - Updated variable names to reflect the preferred terminology for the database in question
* Deprecate `#table_exists?`, `#tables` and passing arguments to `#talbes`yui-knk2015-11-092-8/+8
| | | | | | | | | | Reported on #21509, how views is treated by `#tables` are differ by each adapters. To fix this different behavior, after Rails 5.0 is released, deprecate `#tables`. And `#table_exists?` would check both tables and views. To make their behavior consistent with `#tables`, after Rails 5.0 is released, deprecate `#table_exists?`.
* No need `MysqlDouble` and `MysqlDouble.reset_column_information`Ryuta Kamizono2015-11-051-12/+6
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* Add test_float_limits to mysql2yui-knk2015-11-031-0/+37
| | | | | | This test case was definded by 51de8cee82d61541725ff4c2462b083f37e64017. `float` and `double` is registered in abstract_mysql_adapter.rb, we should test not only for mysql adapter, but mysql2 adapter.
* Merge pull request #22122 from ↵Sean Griffin2015-10-301-0/+28
|\ | | | | | | | | samphilipd/sam/manual_locking_on_schema_migrations Make migrations concurrent safe (using advisory locks)
| * Use advisory locks to prevent concurrent migrationsSam Davies2015-10-301-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - 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 Griffin2015-10-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Senn2015-10-291-11/+12
|/ | | | | | | | | | | | | | | | | | | | | | | | 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>' ```
* Merge pull request #21932 from kamipo/add_stored_procedure_test_in_mysql2Sean Griffin2015-10-201-0/+29
|\ | | | | Add stored procedure test in mysql2
| * Add stored procedure test in mysql2Ryuta Kamizono2015-10-151-0/+29
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* | Fix to correctly schema dump the `tinyblob`Ryuta Kamizono2015-10-151-1/+1
|/ | | | | | 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.
* 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.
* Merge pull request #17696 from kamipo/unsigned_integer_supportJeremy Daer2015-09-191-2/+37
|\ | | | | | | Add `unsigned` support for numeric data types in MySQL
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