doc: Fix description of pg_replication_origin_oid() in error case

This function returns NULL if the replication origin given in input
argument does not exist, contrary to what the docs described
previously.

Author: Ian Barwick
Discussion: https://postgr.es/m/CAB8KJ=htJjBL=103URqjOxV2mqb4rjphDpMeKdyKq_QXt6h05w@mail.gmail.com
Backpatch-through: 10

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 13f39a08d5cfdefabe6646ed975aaf04959985cd..8b86c118106d4740fcba19b2c32c0c8e1e30d438 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -26072,7 +26072,8 @@ postgres=# SELECT * FROM pg_walfile_name_offset(pg_stop_backup());
        
        
         Looks up a replication origin by name and returns the internal ID. If
-        no such replication origin is found an error is thrown.
+        no such replication origin is found, NULL is
+        returned.