| Name | Description | Type | Package | Framework |
| RawPacket | Class to represent a raw stream as transferred over the wire. | Class | org.mariadb.jdbc.internal.packet.read | MariaDB |
| ReadInitialConnectPacket | Class | org.mariadb.jdbc.internal.packet.read | MariaDB | |
| ReadPacketFetcher | Class | org.mariadb.jdbc.internal.packet.read | MariaDB | |
| ReadResultPacketFactory | Creates result packets only handles error, ok, eof and result set packets since field and row packets require a previous result set stream. | Class | org.mariadb.jdbc.internal.packet.read | MariaDB |