From 6a9b8c832fca03a23e397131cbb4e4fd42ea4760 Mon Sep 17 00:00:00 2001
From: Konstantin Morozov <vzbdryn@yahoo.com>
Date: Thu, 7 Mar 2024 13:10:42 +0300
Subject: [PATCH] Fix segfault. Issue #7381

---
 src/backend/distributed/planner/function_call_delegation.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/backend/distributed/planner/function_call_delegation.c b/src/backend/distributed/planner/function_call_delegation.c
index f17b02347..4a79dc25a 100644
--- a/src/backend/distributed/planner/function_call_delegation.c
+++ b/src/backend/distributed/planner/function_call_delegation.c
@@ -91,6 +91,10 @@ bool InDelegatedFunctionCall = false;
 static bool
 contain_param_walker(Node *node, void *context)
 {
+	if (node == NULL)
+	{
+		return false;
+	}
 	if (IsA(node, Param))
 	{
 		Param *paramNode = (Param *) node;