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-rw-r--r--.travis.yml6
-rw-r--r--activerecord/CHANGELOG.md7
-rw-r--r--activerecord/Rakefile4
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb4
-rw-r--r--activerecord/test/cases/adapters/mysql2/active_schema_test.rb2
-rw-r--r--activerecord/test/cases/adapters/mysql2/connection_test.rb4
-rw-r--r--activerecord/test/config.example.yml6
-rw-r--r--activerecord/test/schema/mysql2_specific_schema.rb2
-rw-r--r--railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml.tt2
9 files changed, 25 insertions, 12 deletions
diff --git a/.travis.yml b/.travis.yml
index d7544fecb6..c18a24bea7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,11 +20,14 @@ addons:
sources:
- sourceline: "ppa:mc3man/trusty-media"
- sourceline: "ppa:ubuntuhandbook1/apps"
+ - mysql-5.7-trusty
packages:
- ffmpeg
- mupdf
- mupdf-tools
- poppler-utils
+ - mysql-server
+ - mysql-client
bundler_args: --without test --jobs 3 --retry 3
before_install:
@@ -37,6 +40,9 @@ before_install:
- "[[ $GEM != 'av:ujs' ]] || nvm install node"
- "[[ $GEM != 'av:ujs' ]] || node --version"
- "[[ $GEM != 'av:ujs' ]] || (cd actionview && npm install)"
+ - "[[ $GEM != 'ar:mysql2' ]] || [[ $MYSQL == 'mariadb' ]] || sudo mysql -e \"use mysql; update user set authentication_string='' where User='root'; update user set plugin='mysql_native_password';FLUSH PRIVILEGES;\""
+ - "[[ $GEM != 'ar:mysql2' ]] || [[ $MYSQL == 'mariadb' ]] || sudo mysql_upgrade"
+ - "[[ $GEM != 'ar:mysql2' ]] || [[ $MYSQL == 'mariadb' ]] || sudo service mysql restart"
before_script:
# Set Sauce Labs username and access key. Obfuscated, purposefully not encrypted.
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 4487d70ce9..336946b756 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,10 @@
+* Use MySQL utf8mb4 character set by default.
+
+ `utf8mb4` character set with 4-Byte encoding supports supplementary characters including emoji.
+ The previous default 3-Byte encoding character set `utf8` is not enough to support them.
+
+ *Yasuo Honda*
+
* Fix duplicated record creation when using nested attributes with `create_with`.
*Darwin Wu*
diff --git a/activerecord/Rakefile b/activerecord/Rakefile
index 170c95b827..fae56a51bb 100644
--- a/activerecord/Rakefile
+++ b/activerecord/Rakefile
@@ -94,8 +94,8 @@ namespace :db do
desc "Build the MySQL test databases"
task :build do
config = ARTest.config["connections"]["mysql2"]
- %x( mysql --user=#{config["arunit"]["username"]} --password=#{config["arunit"]["password"]} -e "create DATABASE #{config["arunit"]["database"]} DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_unicode_ci ")
- %x( mysql --user=#{config["arunit2"]["username"]} --password=#{config["arunit2"]["password"]} -e "create DATABASE #{config["arunit2"]["database"]} DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_unicode_ci ")
+ %x( mysql --user=#{config["arunit"]["username"]} --password=#{config["arunit"]["password"]} -e "create DATABASE #{config["arunit"]["database"]} DEFAULT CHARACTER SET utf8mb4" )
+ %x( mysql --user=#{config["arunit2"]["username"]} --password=#{config["arunit2"]["password"]} -e "create DATABASE #{config["arunit2"]["database"]} DEFAULT CHARACTER SET utf8mb4" )
end
desc "Drop the MySQL test databases"
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 88fff83a9e..2d287d56e8 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -241,7 +241,7 @@ module ActiveRecord
end
# Create a new MySQL database with optional <tt>:charset</tt> and <tt>:collation</tt>.
- # Charset defaults to utf8.
+ # Charset defaults to utf8mb4.
#
# Example:
# create_database 'charset_test', charset: 'latin1', collation: 'latin1_bin'
@@ -251,7 +251,7 @@ module ActiveRecord
if options[:collation]
execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT COLLATE #{quote_table_name(options[:collation])}"
else
- execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT CHARACTER SET #{quote_table_name(options[:charset] || 'utf8')}"
+ execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT CHARACTER SET #{quote_table_name(options[:charset] || 'utf8mb4')}"
end
end
diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
index 6fc9df5083..261fee13eb 100644
--- a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
@@ -106,7 +106,7 @@ class Mysql2ActiveSchemaTest < ActiveRecord::Mysql2TestCase
end
def test_create_mysql_database_with_encoding
- assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt)
+ assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8mb4`", create_database(:matt)
assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, charset: "latin1")
assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT COLLATE `utf8mb4_bin`", create_database(:matt_aimonetti, collation: "utf8mb4_bin")
end
diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb
index 0c0e2a116e..3103589186 100644
--- a/activerecord/test/cases/adapters/mysql2/connection_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb
@@ -104,8 +104,8 @@ class Mysql2ConnectionTest < ActiveRecord::Mysql2TestCase
end
def test_mysql_connection_collation_is_configured
- assert_equal "utf8_unicode_ci", @connection.show_variable("collation_connection")
- assert_equal "utf8_general_ci", ARUnit2Model.connection.show_variable("collation_connection")
+ assert_equal "utf8mb4_unicode_ci", @connection.show_variable("collation_connection")
+ assert_equal "utf8mb4_general_ci", ARUnit2Model.connection.show_variable("collation_connection")
end
def test_mysql_default_in_strict_mode
diff --git a/activerecord/test/config.example.yml b/activerecord/test/config.example.yml
index 4bcb2aeea6..be337ddcd8 100644
--- a/activerecord/test/config.example.yml
+++ b/activerecord/test/config.example.yml
@@ -54,11 +54,11 @@ connections:
mysql2:
arunit:
username: rails
- encoding: utf8
- collation: utf8_unicode_ci
+ encoding: utf8mb4
+ collation: utf8mb4_unicode_ci
arunit2:
username: rails
- encoding: utf8
+ encoding: utf8mb4
oracle:
arunit:
diff --git a/activerecord/test/schema/mysql2_specific_schema.rb b/activerecord/test/schema/mysql2_specific_schema.rb
index 0f2f6ddd68..c384297658 100644
--- a/activerecord/test/schema/mysql2_specific_schema.rb
+++ b/activerecord/test/schema/mysql2_specific_schema.rb
@@ -36,7 +36,7 @@ ActiveRecord::Schema.define do
t.index :var_binary
end
- create_table :key_tests, force: true, options: "ENGINE=MyISAM" do |t|
+ create_table :key_tests, force: true do |t|
t.string :awesome
t.string :pizza
t.string :snacks
diff --git a/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml.tt b/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml.tt
index 1dc508b14f..dda979555a 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml.tt
@@ -11,7 +11,7 @@
#
default: &default
adapter: mysql2
- encoding: utf8
+ encoding: utf8mb4
pool: <%%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
username: root
password: