doc: wire protocol data type for history file content is bytea

Bruce Momjian <bruce@momjian.us>

Commit: d7fa90fae104a81cc5a1a76a9607afcd3d0ad070
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-11-12T19:33:28Z
Releases: 12.6
doc:  wire protocol data type for history file content is bytea

Document that though the history file content is marked as bytea, it is
the same a text, and neither is btyea-escaped or encoding converted.

Reported-by: Brar Piening

Discussion: https://postgr.es/m/6a1b9cd9-17e3-df67-be55-86102af6bdf5@gmx.de

Backpatch-through: 13 - 9.5 (not master)

Files

PathChange+/−
doc/src/sgml/protocol.sgml modified +4 −1
src/backend/replication/walsender.c modified +4 −0

Documentation touched