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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql_adapter.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index a03bc28744..da3aecf69a 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -66,7 +66,7 @@ module ActiveRecord
# * <tt>:sslcipher</tt> - Necessary to use MySQL with an SSL connection.
#
class MysqlAdapter < AbstractMysqlAdapter
- ADAPTER_NAME = 'MySQL'
+ ADAPTER_NAME = 'MySQL'.freeze
class StatementPool < ConnectionAdapters::StatementPool
def initialize(connection, max = 1000)