From a904d9e68ef73a395fa42f87b6fbc1799ad1be60 Mon Sep 17 00:00:00 2001
From: nagamocha3000 <nagamocha@gmail.com>
Date: Fri, 4 Jun 2021 14:34:48 +0300
Subject: [PATCH] Delete ids allocated for index if any present

---
 api.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/api.go b/api.go
index 5123f8afb..341e766ca 100644
--- a/api.go
+++ b/api.go
@@ -275,6 +275,13 @@ func (api *API) DeleteIndex(ctx context.Context, indexName string) error {
 		api.server.logger.Errorf("problem sending DeleteIndex message: %s", err)
 		return errors.Wrap(err, "sending DeleteIndex message")
 	}
+	// Delete ids allocated for index if any present
+	snap := topology.NewClusterSnapshot(api.cluster.noder, api.cluster.Hasher, api.cluster.ReplicaN)
+	if snap.IsPrimaryFieldTranslationNode(api.NodeID()) {
+		if err := api.holder.ida.reset(indexName); err != nil {
+			return errors.Wrap(err, "deleting id allocation for index")
+		}
+	}
 	api.holder.Stats.Count(MetricDeleteIndex, 1, 1.0)
 	return nil
 }