From 33f54a8fdae65d9dc55797542b77913a1db4cc26 Mon Sep 17 00:00:00 2001
From: Richard Wesley <13156216+hawkfish@users.noreply.github.com>
Date: Tue, 28 May 2024 16:11:29 -0700
Subject: [PATCH] Issue #12171: Streaming Window FILTER

Don't initialise argument chunks for COUNT(*).
---
 .../operator/aggregate/physical_streaming_window.cpp        | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/execution/operator/aggregate/physical_streaming_window.cpp b/src/execution/operator/aggregate/physical_streaming_window.cpp
index 2eee389f178..aad0c0b3034 100644
--- a/src/execution/operator/aggregate/physical_streaming_window.cpp
+++ b/src/execution/operator/aggregate/physical_streaming_window.cpp
@@ -61,8 +61,10 @@ class StreamingWindowState : public OperatorState {
 			for (auto &child : wexpr.children) {
 				arg_types.push_back(child->return_type);
 			}
-			arg_chunk.Initialize(allocator, arg_types);
-			arg_cursor.Initialize(allocator, arg_types);
+			if (!arg_types.empty()) {
+				arg_chunk.Initialize(allocator, arg_types);
+				arg_cursor.Initialize(allocator, arg_types);
+			}
 			if (wexpr.filter_expr) {
 				filter_sel.Initialize();
 			}