Backpatch error message fix from 81f6bbe

mhagander · mhagander · commit 5c3532876f83 · 2012-06-05T13:13:53.000+02:00
Without this, pg_basebackup doesn't tell you why it failed when for example
there is a file in the data directory that the backend doesn't have
permissions to read.
diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
@@ -931,8 +931,8 @@ BaseBackup(void)
 	res = PQgetResult(conn);
 	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
-		fprintf(stderr, _("%s: could not get WAL end position from server\n"),
-				progname);
+		fprintf(stderr, _("%s: could not get WAL end position from server: %s"),
+				progname, PQerrorMessage(conn));
 		disconnect_and_exit(1);
 	}
 	if (PQntuples(res) != 1)

Original file line number	Diff line number	Diff line change
`@@ -931,8 +931,8 @@ BaseBackup(void)`
`931`	`931`	`res = PQgetResult(conn);`
`932`	`932`	`if (PQresultStatus(res) != PGRES_TUPLES_OK)`
`933`	`933`	`{`
`934`		`- fprintf(stderr, _("%s: could not get WAL end position from server\n"),`
`935`		`- progname);`
	`934`	`+ fprintf(stderr, _("%s: could not get WAL end position from server: %s"),`
	`935`	`+ progname, PQerrorMessage(conn));`
`936`	`936`	`disconnect_and_exit(1);`
`937`	`937`	`}`
`938`	`938`	`if (PQntuples(res) != 1)`