diff options
| -rw-r--r-- | activerecord/CHANGELOG.md | 8 | ||||
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb | 2 | ||||
| -rw-r--r-- | activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb | 16 |
3 files changed, 21 insertions, 5 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 46d10d5bff..c76f4f2c30 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,11 @@ +* Respect the database default charset for `schema_migrations` table. + + The charset of `version` column in `schema_migrations` table is depend + on the database default charset and collation rather than the encoding + of the connection. + + *Ryuta Kamizono* + * Raise `ArgumentError` when passing `nil` or `false` to `Relation#merge`. These are not valid values to merge in a relation so it should warn the users diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 75f244b3f3..fac6f81540 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -39,7 +39,7 @@ module ActiveRecord MAX_INDEX_LENGTH_FOR_UTF8MB4 = 191 def initialize_schema_migrations_table - if @config[:encoding] == 'utf8mb4' + if charset == 'utf8mb4' ActiveRecord::SchemaMigration.create_table(MAX_INDEX_LENGTH_FOR_UTF8MB4) else ActiveRecord::SchemaMigration.create_table diff --git a/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb index 06b0cb5515..271b570eb5 100644 --- a/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb +++ b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb @@ -18,21 +18,29 @@ module ActiveRecord smtn = ActiveRecord::Migrator.schema_migrations_table_name connection.drop_table smtn, if_exists: true - config = connection.instance_variable_get(:@config) - original_encoding = config[:encoding] + database_name = connection.current_database + database_info = connection.select_one("SELECT * FROM information_schema.schemata WHERE schema_name = '#{database_name}'") + + original_charset = database_info["DEFAULT_CHARACTER_SET_NAME"] + original_collation = database_info["DEFAULT_COLLATION_NAME"] + + execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET utf8mb4") - config[:encoding] = 'utf8mb4' connection.initialize_schema_migrations_table assert connection.column_exists?(smtn, :version, :string, limit: Mysql2Adapter::MAX_INDEX_LENGTH_FOR_UTF8MB4) ensure - config[:encoding] = original_encoding + execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET #{original_charset} COLLATE #{original_collation}") end private def connection @connection ||= ActiveRecord::Base.connection end + + def execute(sql) + connection.execute(sql) + end end end end |