pg_upgrade: Add checksum C comment

bmomjian · bmomjian · commit 5286963066ce · 2013-04-17T17:39:19.000-04:00
We might eventually allow checksum to no-checksum upgrades.
diff --git a/contrib/pg_upgrade/controldata.c b/contrib/pg_upgrade/controldata.c
@@ -621,6 +621,7 @@ check_control_data(ControlData *oldctrl,
 			   "options.\n");
 	}
 
+	/* We might eventually allow upgrades from checksum to no-checksum clusters. */
 	if (oldctrl->data_checksums != newctrl->data_checksums)
 	{
 		pg_log(PG_FATAL,

Original file line number	Diff line number	Diff line change
`@@ -621,6 +621,7 @@ check_control_data(ControlData *oldctrl,`
`621`	`621`	`"options.\n");`
`622`	`622`	`}`
`623`	`623`
	`624`	`+ /* We might eventually allow upgrades from checksum to no-checksum clusters. */`
`624`	`625`	`if (oldctrl->data_checksums != newctrl->data_checksums)`
`625`	`626`	`{`
`626`	`627`	`pg_log(PG_FATAL,`