From 4c7428a06ecebae4a3152c5791f8afa2f00aeacd Mon Sep 17 00:00:00 2001
From: Neil Conway <neilc@samurai.com>
Date: Thu, 12 Jan 2006 22:29:31 +0000
Subject: [PATCH] We neglected to apply domain constraints on UNKNOWN
 parameters to prepared statements, per report from David Wheeler.

---
 src/backend/parser/parse_coerce.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c
index 22cdd7f017..a6d69f4c14 100644
--- a/src/backend/parser/parse_coerce.c
+++ b/src/backend/parser/parse_coerce.c
@@ -266,7 +266,8 @@ coerce_type(ParseState *pstate, Node *node,
 		}
 
 		param->paramtype = targetTypeId;
-		return (Node *) param;
+		return coerce_to_domain((Node *) param, InvalidOid, targetTypeId,
+								cformat);
 	}
 	if (find_coercion_pathway(targetTypeId, inputTypeId, ccontext,
 							  &funcId))
-- 
2.39.5