Save a hash allocation in MySQL statement pool

There's no need to wrap the statement in a hash with a single key.

1 files changed, 1 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
index 458c9bfd70..4106ce01be 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
@@ -71,10 +71,7 @@ module ActiveRecord
 
             log(sql, name, binds, type_casted_binds) do
               if cache_stmt
-                cache = @statements[sql] ||= {
-                  stmt: @connection.prepare(sql)
-                }
-                stmt = cache[:stmt]
+                stmt = @statements[sql] ||= @connection.prepare(sql)
               else
                 stmt = @connection.prepare(sql)
               end