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doc: Document reopen of output file via SIGHUP in pg_recvlogical.

author Fujii Masao <fujii@postgresql.org>

2025年7月20日 03:00:46 +0000 (12:00 +0900)

committer Fujii Masao <fujii@postgresql.org>

2025年7月20日 03:00:46 +0000 (12:00 +0900)

When pg_recvlogical receives a SIGHUP signal, it closes the current
output file and reopens a new one. This is useful since it allows us to
rotate the output file by renaming the current file and sending a SIGHUP.

This behavior was previously undocumented. This commit adds
the missing documentation.

Back-patch to all supported versions.

Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Shinya Kato <shinya11.kato@gmail.com>
Discussion: https://postgr.es/m/0977fc4f-1523-4ecd-8a0e-391af4976367@oss.nttdata.com
Backpatch-through: 13

doc/src/sgml/ref/pg_recvlogical.sgml patch | blob | blame | history

diff --git a/doc/src/sgml/ref/pg_recvlogical.sgml b/doc/src/sgml/ref/pg_recvlogical.sgml

index 7c01a5c3ba3b5190f35fb318ec5c729e58fe74d4..fbb1a2be7c890f029981c9aef18b4a08a19ad885 100644 (file)

--- a/doc/src/sgml/ref/pg_recvlogical.sgml

+++ b/doc/src/sgml/ref/pg_recvlogical.sgml

@@ -46,6 +46,16 @@ PostgreSQL documentation

a slot without consuming it, use

</para>

+ <para>

+ When <application>pg_recvlogical</application> receives

+ a <systemitem>SIGHUP</systemitem> signal, it closes the current output file

+ and opens a new one using the filename specified by