[incubator-doris] 05/10: [Bug] fix get_parsed_paths() subscript out of range (#4585)

[morningman]

This is an automated email from the ASF dual-hosted git repository.

morningman pushed a commit to branch branch-0.13
in repository https://gitbox.apache.org/repos/asf/incubator-doris.git

commit 557b3d4ca67ea20033de60b72f5a3b797ec927f9
Author: HuangWei <huang...@apache.org>
AuthorDate: Sat Sep 12 16:04:21 2020 +0800

    [Bug] fix get_parsed_paths() subscript out of range (#4585)
---
 be/src/exprs/json_functions.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/be/src/exprs/json_functions.cpp b/be/src/exprs/json_functions.cpp
index 2d9985a..86d1f12 100644
--- a/be/src/exprs/json_functions.cpp
+++ b/be/src/exprs/json_functions.cpp
@@ -371,6 +371,9 @@ void JsonFunctions::parse_json_paths(
 void JsonFunctions::get_parsed_paths(
         const std::vector<std::string>& path_exprs,
         std::vector<JsonPath>* parsed_paths) {
+    if(path_exprs.empty()){
+        return;
+    }
 
     if (path_exprs[0] != "$") {
         parsed_paths->emplace_back("", -1, false);


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