From: Bruce Momjian <bruce@momjian.us>
Date: Fri, 20 Mar 2015 12:31:10 +0000 (-0400)
Subject: C comment:  update lock level mention in comment
X-Git-Tag: REL9_5_ALPHA1~589
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=13a10c0ccd984643ef88997ac177da7c4b7e46a6;p=postgresql

C comment:  update lock level mention in comment

Patch by Etsuro Fujita
---

diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 623e6bfba8..4147457505 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -1756,9 +1756,9 @@ MergeAttributes(List *schema, List *supers, char relpersistence,
 		pfree(newattno);
 
 		/*
-		 * Close the parent rel, but keep our AccessShareLock on it until xact
-		 * commit.  That will prevent someone else from deleting or ALTERing
-		 * the parent before the child is committed.
+		 * Close the parent rel, but keep our ShareUpdateExclusiveLock on it
+		 * until xact commit.  That will prevent someone else from deleting or
+		 * ALTERing the parent before the child is committed.
 		 */
 		heap_close(relation, NoLock);
 	}