--- mod_pgsql.c	2020-05-12 10:19:16.000000000 +0000
+++ mod_pgsql.c.modified	2022-03-18 16:54:55.956097877 +0000
@@ -737,6 +737,8 @@
 //#endif
 		case PGRES_COPY_OUT:
 		case PGRES_COPY_IN:
+#if POSTGRESQL_MAJOR_VERSION >= 14
+		case PGRES_PIPELINE_SYNC:
+		case PGRES_PIPELINE_ABORTED:
+ 			break;
+#endif
 		case PGRES_COMMAND_OK:
 			break;
 		case PGRES_EMPTY_QUERY: