From ce8e2419ca98e9818387852cf487165d18489f9a Mon Sep 17 00:00:00 2001
From: jihuayu <8042833@qq.com>
Date: Fri, 17 Nov 2023 19:34:15 +0800
Subject: [PATCH] update

---
 src/types/json.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/types/json.h b/src/types/json.h
index 4f27ec03d4f..9df5f592748 100644
--- a/src/types/json.h
+++ b/src/types/json.h
@@ -188,7 +188,9 @@ struct JsonValue {
           value, path, [&insert_values, &result_count, index](const std::string & /*path*/, jsoncons::json &val) {
             if (val.is_array()) {
               auto len = static_cast<int64_t>(val.size());
-              if (index >= len /*index > 0*/ || len + index < 0 /*index < 0*/) {
+              // When index > 0, we need index < len
+              // when index < 0, we need index >= -len.
+              if (index >= len || index < -len) {
                 result_count.emplace_back(std::nullopt);
                 return;
               }