diff options
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index a2b32bf3e2..9169ace9f7 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -594,9 +594,11 @@ module ActiveRecord end def extension_enabled?(name) - res = exec_query "SELECT EXISTS(SELECT * FROM pg_available_extensions WHERE name = '#{name}' AND installed_version IS NOT NULL)", - 'SCHEMA' - res.column_types['exists'].type_cast res.rows.first.first + if supports_extensions + res = exec_query "SELECT EXISTS(SELECT * FROM pg_available_extensions WHERE name = '#{name}' AND installed_version IS NOT NULL)", + 'SCHEMA' + res.column_types['exists'].type_cast res.rows.first.first + end end # Returns the configured supported identifier length supported by PostgreSQL |