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-rw-r--r--src/bin/psql/copy.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/bin/psql/copy.c b/src/bin/psql/copy.c
index 78f0dc5a507..e1fee8e0992 100644
--- a/src/bin/psql/copy.c
+++ b/src/bin/psql/copy.c
@@ -662,7 +662,9 @@ handleCopyIn(PGconn *conn, FILE *copystream, bool isbinary, PGresult **res)
/*
* Terminate data transfer. We can't send an error message if we're using
- * protocol version 2.
+ * protocol version 2. (libpq no longer supports protocol version 2, but
+ * keep the version checks just in case you're using a pre-v14 libpq.so at
+ * runtime)
*/
if (PQputCopyEnd(conn,
(OK || PQprotocolVersion(conn) < 3) ? NULL :