[GitHub] [incubator-doris] imay commented on a change in pull request #3846: fix for be server crash which throwing syntax error when parse json …

[GitBox <gi...@apache.org>]

imay commented on a change in pull request #3846:
URL: https://github.com/apache/incubator-doris/pull/3846#discussion_r439156446



##########
File path: be/src/exprs/json_functions.cpp
##########
@@ -291,7 +291,7 @@ rapidjson::Value* JsonFunctions::get_json_array_from_parsed_json (
     }
 
     rapidjson::Value* root = match_value(parsed_paths, document, mem_allocator, true);
-    if (root == document) {// not found
+    if (root==nullptr || root == document) {// not found

Review comment:
       ```suggestion
       if (root == nullptr || root == document) {// not found
   ```




----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
users@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org