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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 4c57bd48ab..544d720428 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -117,7 +117,7 @@ module ActiveRecord
end
def configure_connection
- @connection.query_options.merge!(as: :array)
+ @connection.query_options[:as] = :array
super
end