命名空间
- 模块 ActiveRecord
- 模块 ActiveRecord::ConnectionAdapters
- 模块 ActiveRecord::ConnectionAdapters::PostgreSQL
- 模块 ActiveRecord::ConnectionAdapters::PostgreSQL::OID
- 模块 ActiveRecord::ConnectionAdapters::PostgreSQL::Quoting
- 类 ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Bit
- 类 ActiveRecord::ConnectionAdapters::PostgreSQL::Quoting::IntegerOutOf64BitRange