Improve comment about GetWALAvailability's WALAVAIL_REMOVED code.

tglsfdc · pull[bot] · commit 043cd67bd1fe · 2024-05-14T00:43:58.000Z
Sirisha Chamarthi and Kyotaro Horiguchi Discussion: https://postgr.es/m/CAKrAKeXt-=bgm=d+EDmcC9kWoikp8kbVb3LH0K3K+AGGsykpHQ@mail.gmail.com
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
@@ -7338,7 +7338,8 @@ CreateRestartPoint(int flags)
  *   above.
  *
  * * WALAVAIL_REMOVED means it has been removed. A replication stream on
- *   a slot with this LSN cannot continue after a restart.
+ *   a slot with this LSN cannot continue.  (Any associated walsender
+ *   processes should have been terminated already.)
  *
  * * WALAVAIL_INVALID_LSN means the slot hasn't been set to reserve WAL.
  */

Original file line number	Diff line number	Diff line change
`@@ -7338,7 +7338,8 @@ CreateRestartPoint(int flags)`
`7338`	`7338`	`* above.`
`7339`	`7339`	`*`
`7340`	`7340`	`* * WALAVAIL_REMOVED means it has been removed. A replication stream on`
`7341`		`- * a slot with this LSN cannot continue after a restart.`
	`7341`	`+ * a slot with this LSN cannot continue. (Any associated walsender`
	`7342`	`+ * processes should have been terminated already.)`
`7342`	`7343`	`*`
`7343`	`7344`	`* * WALAVAIL_INVALID_LSN means the slot hasn't been set to reserve WAL.`
`7344`	`7345`	`*/`