From 69ce0c24db1679341db88cbe89ec720b8cf527b2 Mon Sep 17 00:00:00 2001
From: Charles Korn <charles.korn@grafana.com>
Date: Wed, 5 Feb 2025 11:45:30 +1100
Subject: [PATCH] Fix issue

Signed-off-by: Charles Korn <charles.korn@grafana.com>
---
 promql/engine.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/promql/engine.go b/promql/engine.go
index 44985e50f9..3e14a2529d 100644
--- a/promql/engine.go
+++ b/promql/engine.go
@@ -2357,6 +2357,11 @@ func (ev *evaluator) matrixIterSlice(
 		}
 	}
 
+	if mint == maxt {
+		// Empty range: return the empty slices.
+		return floats, histograms
+	}
+
 	soughtValueType := it.Seek(maxt)
 	if soughtValueType == chunkenc.ValNone {
 		if it.Err() != nil {