Row block data rows are in one of these states
Lazily-deserialized field (column) description
Message, received from backend.
Contents of NoticeResponse or ErrorResponse messages. https://www.postgresql.org/docs/current/static/protocol-error-fields.html
NotificationResponse message received from the backend. https://www.postgresql.org/docs/current/static/sql-notify.html
Generic query result, returned by getQueryResults
Array of rows, returned by the server, wich all share one row description. Simple queries may include multiple SQL statements, each returning a row block. In extended query protocol flow, row block is retuned for each "Execute" message.
Structures that describe query results and notifications, received from backend.