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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 315d70c33f..a2c5ef6817 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -438,7 +438,7 @@ module ActiveRecord
end
end
- def get_oid_type(oid, fmod, column_name, sql_type = "")
+ def get_oid_type(oid, fmod, column_name, sql_type = "".freeze)
if !type_map.key?(oid)
load_additional_types(type_map, [oid])
end