From: Justin Pryzby <pryzbyj@telsasoft.com>
Date: Fri, 27 Dec 2019 23:34:14 -0600
Subject: [PATCH v7 1/6] BUG: in errmsg

Note there's two changes here.
Should backpatch to v12, where pg_ls_tmpdir was added.
---
 src/backend/utils/adt/genfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/utils/adt/genfile.c b/src/backend/utils/adt/genfile.c
index 3741b87486..897b11a77d 100644
--- a/src/backend/utils/adt/genfile.c
+++ b/src/backend/utils/adt/genfile.c
@@ -590,7 +590,7 @@ pg_ls_dir_files(FunctionCallInfo fcinfo, const char *dir, bool missing_ok)
 		if (stat(path, &attrib) < 0)
 			ereport(ERROR,
 					(errcode_for_file_access(),
-					 errmsg("could not stat directory \"%s\": %m", dir)));
+					 errmsg("could not stat file \"%s\": %m", path)));
 
 		/* Ignore anything but regular files */
 		if (!S_ISREG(attrib.st_mode))
-- 
2.17.0


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