From b3ee1a4bd59b040f44dee3ab983e39e19797d637 Mon Sep 17 00:00:00 2001
From: chyezh <chyezh@outlook.com>
Date: Wed, 12 Jun 2024 20:21:56 +0800
Subject: [PATCH] fix: lost DroppedAt field when DropCollection (#33766)

issue: #33097

Signed-off-by: chyezh <chyezh@outlook.com>
---
 internal/datacoord/meta.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/datacoord/meta.go b/internal/datacoord/meta.go
index 5e449b3962..c38a369cfb 100644
--- a/internal/datacoord/meta.go
+++ b/internal/datacoord/meta.go
@@ -1803,6 +1803,9 @@ func updateSegStateAndPrepareMetrics(segToUpdate *SegmentInfo, targetState commo
 		zap.Int64("# of rows", segToUpdate.GetNumOfRows()))
 	metricMutation.append(segToUpdate.GetState(), targetState, segToUpdate.GetLevel(), segToUpdate.GetNumOfRows())
 	segToUpdate.State = targetState
+	if targetState == commonpb.SegmentState_Dropped {
+		segToUpdate.DroppedAt = uint64(time.Now().UnixNano())
+	}
 }
 
 func (m *meta) ListCollections() []int64 {