From: Heikki Linnakangas Date: Mon, 15 Jun 2026 08:28:45 +0000 (+0300) Subject: Fix PQdescribePrepared with more than 7498 params X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0f63b74a47307bf00fd6301cc3612f9db924a0d1;p=thirdparty%2Fpostgresql.git Fix PQdescribePrepared with more than 7498 params If a query has more than 7498 params, the ParameterDescription message exceeds the 30000 byte limit on messages that are not specifically marked as possibly being longer than that (VALID_LONG_MESSAGE_TYPE). To fix, add ParameterDescription to the list. Author: Ning Sun Discussion: https://www.postgresql.org/message-id/dbfb4b65-0aa8-470a-8b87-b6496160b28a@gmail.com Backpatch-through: 14 --- diff --git a/src/interfaces/libpq/fe-protocol3.c b/src/interfaces/libpq/fe-protocol3.c index e85975d944f..d09b36e9123 100644 --- a/src/interfaces/libpq/fe-protocol3.c +++ b/src/interfaces/libpq/fe-protocol3.c @@ -39,7 +39,7 @@ */ #define VALID_LONG_MESSAGE_TYPE(id) \ ((id) == 'T' || (id) == 'D' || (id) == 'd' || (id) == 'V' || \ - (id) == 'E' || (id) == 'N' || (id) == 'A') + (id) == 'E' || (id) == 'N' || (id) == 'A' || (id) == 't') static void handleSyncLoss(PGconn *conn, char id, int msgLength);