From 81643e6d70704d7675f9b50fcc41b764ecf78c15 Mon Sep 17 00:00:00 2001
From: Tamo <tamo@meilisearch.com>
Date: Tue, 22 Jun 2021 14:47:23 +0200
Subject: [PATCH 1/2] add the limit field to http-ui

---
 http-ui/src/main.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/http-ui/src/main.rs b/http-ui/src/main.rs
index 703861058..8035cf789 100644
--- a/http-ui/src/main.rs
+++ b/http-ui/src/main.rs
@@ -683,6 +683,7 @@ async fn main() -> anyhow::Result<()> {
         filters: Option<String>,
         facet_filters: Option<Vec<UntaggedEither<Vec<String>, String>>>,
         facet_distribution: Option<bool>,
+        limit: Option<usize>,
     }
 
     #[derive(Debug, Serialize)]
@@ -735,6 +736,10 @@ async fn main() -> anyhow::Result<()> {
                 search.filter(condition);
             }
 
+            if let Some(limit) = query.limit {
+                search.limit(limit);
+            }
+
             let SearchResult { matching_words, candidates, documents_ids } =
                 search.execute().unwrap();
 

From 3d90b03d7b0ec91db66c179dd82c3acdf487dc8e Mon Sep 17 00:00:00 2001
From: Tamo <tamo@meilisearch.com>
Date: Tue, 22 Jun 2021 14:52:13 +0200
Subject: [PATCH 2/2] fix the limit

There was no check on the limit and thus, if a user especified a very large number this line could causes a panic
---
 milli/src/search/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/milli/src/search/mod.rs b/milli/src/search/mod.rs
index f692df173..71d200e0c 100644
--- a/milli/src/search/mod.rs
+++ b/milli/src/search/mod.rs
@@ -162,7 +162,7 @@ impl<'a> Search<'a> {
         let mut offset = self.offset;
         let mut initial_candidates = RoaringBitmap::new();
         let mut excluded_candidates = RoaringBitmap::new();
-        let mut documents_ids = Vec::with_capacity(self.limit);
+        let mut documents_ids = Vec::new();
 
         while let Some(FinalResult { candidates, bucket_candidates, .. }) =
             criteria.next(&excluded_candidates)?