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-rw-r--r--doc/src/sgml/ref/pg_resetwal.sgml19
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pg_resetwal.sgml b/doc/src/sgml/ref/pg_resetwal.sgml
index cf9c7e70f27..dd011d246c1 100644
--- a/doc/src/sgml/ref/pg_resetwal.sgml
+++ b/doc/src/sgml/ref/pg_resetwal.sgml
@@ -172,6 +172,25 @@ PostgreSQL documentation
<variablelist>
<varlistentry>
+ <term><option>--char-signedness=<replaceable class="parameter">option</replaceable></option></term>
+ <listitem>
+ <para>
+ Manually set the default char signedness. Possible values are
+ <literal>signed</literal> and <literal>unsigned</literal>.
+ </para>
+ <para>
+ For a database cluster that <command>pg_upgrade</command> upgraded from
+ a <productname>PostgreSQL</productname> version before 18, the safe
+ value would be the default <type>char</type> signedness of the platform
+ that ran the cluster before that upgrade. For all other
+ clusters, <literal>signed</literal> would be the safe value. However,
+ this option is exclusively for use with <command>pg_upgrade</command>
+ and should not normally be used manually.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-c <replaceable class="parameter">xid</replaceable>,<replaceable class="parameter">xid</replaceable></option></term>
<term><option>--commit-timestamp-ids=<replaceable class="parameter">xid</replaceable>,<replaceable class="parameter">xid</replaceable></option></term>
<listitem>