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-rw-r--r--doc/src/sgml/ref/pg_receivewal.sgml11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pg_receivewal.sgml b/doc/src/sgml/ref/pg_receivewal.sgml
index 6da8b2be8c0..d3c74882937 100644
--- a/doc/src/sgml/ref/pg_receivewal.sgml
+++ b/doc/src/sgml/ref/pg_receivewal.sgml
@@ -90,6 +90,17 @@ PostgreSQL documentation
<listitem>
<para>
+ If a starting point cannot not be calculated with the previous method,
+ and if a replication slot is used, an extra
+ <command>READ_REPLICATION_SLOT</command> command is issued to retrieve
+ the slot's <literal>restart_lsn</literal> to use as starting point.
+ This option is only available when streaming write-ahead logs from
+ <productname>PostgreSQL</productname> 15 and up.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
If a starting point cannot be calculated with the previous method,
the latest WAL flush location is used as reported by the server from
a <literal>IDENTIFY_SYSTEM</literal> command.