From 405af09fc8dd22d42af8e9b6026b75ac5ed41131 Mon Sep 17 00:00:00 2001
From: Kerollmops <clement@meilisearch.com>
Date: Tue, 29 Mar 2022 11:27:53 -0700
Subject: [PATCH] Hard limit the number of results returned by a search

---
 meilisearch-lib/src/index/search.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meilisearch-lib/src/index/search.rs b/meilisearch-lib/src/index/search.rs
index 644b75468..757a5ec00 100644
--- a/meilisearch-lib/src/index/search.rs
+++ b/meilisearch-lib/src/index/search.rs
@@ -34,6 +34,10 @@ pub const fn default_crop_length() -> usize {
     DEFAULT_CROP_LENGTH
 }
 
+/// The maximimum number of results that the engine
+/// will be able to return in one search call.
+pub const HARD_RESULT_LIMIT: usize = 1000;
+
 #[derive(Deserialize, Debug, Clone, PartialEq)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 pub struct SearchQuery {
@@ -124,6 +128,8 @@ impl Index {
             ..
         } = search.execute()?;
 
+        let documents_ids: Vec<_> = documents_ids.into_iter().take(HARD_RESULT_LIMIT).collect();
+
         let fields_ids_map = self.fields_ids_map(&rtxn).unwrap();
 
         let displayed_ids = self