From: Michael Paquier <michael@paquier.xyz>
Date: Thu, 19 Mar 2020 00:51:33 +0000 (+0900)
Subject: Fix comment related to concurrent index swapping in index.c
X-Git-Tag: REL_13_BETA1~518
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d41202f36eed97a4ee68a6a9f5fcca314f12c35d;p=thirdparty%2Fpostgresql.git

Fix comment related to concurrent index swapping in index.c

A comment about switching indisvalid of the new and old indexes swapped
in REINDEX CONCURRENTLY got this backwards.

Issue introduced by 5dc92b8, the original commit of REINDEX
CONCURRENTLY.

Author: Julien Rouhaud
Discussion: https://postgr.es/m/20200318143340.GA46897@nol
Backpatch-through: 12
---

diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index 76fd938ce33..023ec7e6188 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -1531,7 +1531,7 @@ index_concurrently_swap(Oid newIndexId, Oid oldIndexId, const char *oldName)
 	newIndexForm->indisclustered = oldIndexForm->indisclustered;
 
 	/*
-	 * Mark the old index as valid, and the new index as invalid similarly
+	 * Mark the new index as valid, and the old index as invalid similarly
 	 * to what index_set_state_flags() does.
 	 */
 	newIndexForm->indisvalid = true;