applies new string literal convention in activerecord/lib

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

1 files changed, 8 insertions, 8 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 22d35f1db5..cace451df2 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -1,9 +1,9 @@
-require 'active_record/connection_adapters/abstract_mysql_adapter'
-require 'active_record/connection_adapters/mysql/database_statements'
+require "active_record/connection_adapters/abstract_mysql_adapter"
+require "active_record/connection_adapters/mysql/database_statements"
 
-gem 'mysql2', '>= 0.3.18', '< 0.5'
-require 'mysql2'
-raise 'mysql2 0.4.3 is not supported. Please upgrade to 0.4.4+' if Mysql2::VERSION == '0.4.3'
+gem "mysql2", ">= 0.3.18", "< 0.5"
+require "mysql2"
+raise "mysql2 0.4.3 is not supported. Please upgrade to 0.4.4+" if Mysql2::VERSION == "0.4.3"
 
 module ActiveRecord
   module ConnectionHandling # :nodoc:
@@ -11,7 +11,7 @@ module ActiveRecord
     def mysql2_connection(config)
       config = config.symbolize_keys
 
-      config[:username] = 'root' if config[:username].nil?
+      config[:username] = "root" if config[:username].nil?
       config[:flags] ||= 0
 
       if Mysql2::Client.const_defined? :FOUND_ROWS
@@ -35,7 +35,7 @@ module ActiveRecord
 
   module ConnectionAdapters
     class Mysql2Adapter < AbstractMysqlAdapter
-      ADAPTER_NAME = 'Mysql2'.freeze
+      ADAPTER_NAME = "Mysql2".freeze
 
       include MySQL::DatabaseStatements
 
@@ -46,7 +46,7 @@ module ActiveRecord
       end
 
       def supports_json?
-        !mariadb? && version >= '5.7.8'
+        !mariadb? && version >= "5.7.8"
       end
 
       def supports_comments?