doc: Document that only superusers can use pg_import_system_collations().

Back-patch to v10 where pg_import_system_collations() was added.

Author: Atsushi Torikoshi
Reviewed-by: Fujii Masao
Discussion: https://postgr.es/m/b7f484692a3e283710032e68b7f40617@oss.nttdata.com

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 038744a27fc0f25ae8edcb07d4c6fe88052b05bc..0e278bf2aa2da241ef35c2b6da3208ec312c75a6 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -21687,6 +21687,7 @@ postgres=# SELECT * FROM pg_walfile_name_offset(pg_stop_backup());
     be <literal>pg_catalog</literal>, but that is not a requirement;
     the collations could be installed into some other schema as well.
     The function returns the number of new collation objects it created.
+    Use of this function is restricted to superusers.
    </para>
 
    <table id="functions-info-partition">