From 0ce9502a3e524d854951f118494011a12fa740eb Mon Sep 17 00:00:00 2001
From: groot <yihua.mo@zilliz.com>
Date: Mon, 6 May 2019 11:24:36 +0800
Subject: [PATCH] fix bug

Former-commit-id: daf197368b50cd764df893949abb5f2956c9c560
---
 cpp/src/server/VecServiceTask.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cpp/src/server/VecServiceTask.cpp b/cpp/src/server/VecServiceTask.cpp
index 63e3339158..ca6f838684 100644
--- a/cpp/src/server/VecServiceTask.cpp
+++ b/cpp/src/server/VecServiceTask.cpp
@@ -425,6 +425,11 @@ ServerError AddBatchVectorTask::OnExecute() {
     try {
         TimeRecorder rc("AddBatchVectorTask");
 
+        uint64_t vec_count = GetVecListCount();
+        if(vec_count == 0) {
+            return SERVER_SUCCESS;
+        }
+
         engine::meta::GroupSchema group_info;
         group_info.group_id = group_id_;
         engine::Status stat = DB()->get_group(group_info);
@@ -436,7 +441,6 @@ ServerError AddBatchVectorTask::OnExecute() {
         rc.Record("check group dimension");
 
         uint64_t group_dim = group_info.dimension;
-        uint64_t vec_count = GetVecListCount();
         std::vector<float> vec_f;
         vec_f.resize(vec_count*group_dim);//allocate enough memory
         for(uint64_t i = 0; i < vec_count; i ++) {