Fix empty array set bug

epsilla-cloud · Jul 30, 2023 · c16247b · c16247b
1 parent ffd7a89
commit c16247b
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diff --git a/README.md b/README.md
@@ -30,7 +30,7 @@ Epsilla's core is written in C++ and leverages the advanced academic parallel gr
 **1. Run Backend in Docker**
 ```shell
 docker pull epsilla/vectordb
-docker run --pull=always -d -p 8888:8888 epsilla/vectordb
+docker run --pull=always -d -p 8888:8888 -v /tmp:/tmp epsilla/vectordb
 ```
 
 **2. Interact with Python Client**

diff --git a/engine/utils/json.cpp b/engine/utils/json.cpp
@@ -142,6 +142,7 @@ void Json::SetObject(const std::string& key, const Json& object) {
 }
 
 void Json::SetArray(const std::string& key, const std::vector<Json>& array) {
+  doc_[key] = nlohmann::json::array();
   for (const auto& item : array) {
     doc_[key].push_back(item.doc_);
   }