From ff5cba8508cd984adff20da3f3206296d197de9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Toma=C5=BE=20Jerman?= <tomaz.jerman121@gmail.com>
Date: Fri, 30 Sep 2022 14:45:44 +0200
Subject: [PATCH] Return empty arrays for empty report frames instead of null

---
 system/reporting/frame_builder.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/system/reporting/frame_builder.go b/system/reporting/frame_builder.go
index 3c7ec5162..7fec50979 100644
--- a/system/reporting/frame_builder.go
+++ b/system/reporting/frame_builder.go
@@ -111,7 +111,7 @@ func (b *reportFrameBuilder) freshFrame() {
 	if b.frame != nil {
 		aux := *b.frame
 		b.frame = &aux
-		b.frame.Rows = nil
+		b.frame.Rows = []FrameRow{}
 		return
 	}
 
@@ -120,6 +120,8 @@ func (b *reportFrameBuilder) freshFrame() {
 		Source: b.def.Source,
 		Ref:    b.def.Ref,
 
+		Rows: []FrameRow{},
+
 		Columns: b.def.Columns,
 		Sort:    b.def.Sort,
 		Filter:  b.def.Filter,