From 9f8095c06985bafb58272bc26374df7e81188cb9 Mon Sep 17 00:00:00 2001
From: Kerollmops <clement@meilisearch.com>
Date: Wed, 21 Jul 2021 10:35:35 +0200
Subject: [PATCH] Make sure that we don't keep a reference on the LMDB key when
 using put_current

---
 milli/src/update/delete_documents.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/milli/src/update/delete_documents.rs b/milli/src/update/delete_documents.rs
index 222f3b2d3..e6f847d01 100644
--- a/milli/src/update/delete_documents.rs
+++ b/milli/src/update/delete_documents.rs
@@ -366,6 +366,7 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
                 // safety: we don't keep references from inside the LMDB database.
                 unsafe { iter.del_current()? };
             } else if docids.len() != previous_len {
+                let key = key.to_owned();
                 // safety: we don't keep references from inside the LMDB database.
                 unsafe { iter.put_current(&key, &docids)? };
             }