Expose the default for channel_binding in PQconndefaults().

If there's a static default value for a connection option,
it should be shown in the PQconninfoOptions array.

Daniele Varrazzo

Discussion: https://postgr.es/m/CA+mi_8Zo8Rgn7p+6ZRY7QdDu+23ukT9AvoHNyPbgKACxwgGhZA@mail.gmail.com

diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index 7d04d3664e044e151ac45a11efaaaf374e71229a..d2b1c207eb4d41a13b83da313005554dd4fac32c 100644 (file)
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -215,7 +215,7 @@ static const internalPQconninfoOption PQconninfoOptions[] = {
        "Database-Password-File", "", 64,
    offsetof(struct pg_conn, pgpassfile)},
 
-   {"channel_binding", "PGCHANNELBINDING", NULL, NULL,
+   {"channel_binding", "PGCHANNELBINDING", DefaultChannelBinding, NULL,
        "Channel-Binding", "", 8,   /* sizeof("require") == 8 */
    offsetof(struct pg_conn, channel_binding)},