Fix a leftover reference to backend_id in comment

Commit 024c521117 replaced backend_id with proc_number.

Reported-by: Alexander Lakhin

diff --git a/src/backend/utils/activity/backend_status.c b/src/backend/utils/activity/backend_status.c
index cef0daa1b51f9b757a1f322f617b3f9e347ae25d..ff32880ee2559af5934d84635a0e543aa87b2b87 100644 (file)
--- a/src/backend/utils/activity/backend_status.c
+++ b/src/backend/utils/activity/backend_status.c
@@ -1101,8 +1101,8 @@ pgstat_get_local_beentry_by_proc_number(ProcNumber procNumber)
        pgstat_read_current_status();
 
        /*
-        * Since the localBackendStatusTable is in order by backend_id, we can use
-        * bsearch() to search it efficiently.
+        * Since the localBackendStatusTable is in order by proc_number, we can
+        * use bsearch() to search it efficiently.
         */
        key.proc_number = procNumber;
        return bsearch(&key, localBackendStatusTable, localNumBackends,