ChenMiaoi commented on code in PR #50151:
URL: https://github.com/apache/doris/pull/50151#discussion_r2055733521
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be/src/vec/functions/function_jsonb.cpp:
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@@ -1758,16 +1834,31 @@ class FunctionJsonSearch : public IFunction {
}
// an error occurs if any path argument is not a valid path
expression.
+ // root_path_str = get_start_string(i);
std::string root_path_str = "$";
+ if (!start_null_check(i)) {
+ root_path_str = get_start_string(i);
+ }
JsonbPath root_path;
- root_path.seek(root_path_str.c_str(), root_path_str.size());
+ if (!root_path.seek(root_path_str.c_str(), root_path_str.size())) {
+ return Status::InvalidArgument(
+ "the start_path argument {} is not a valid json path",
root_path_str);
+ }
std::vector<JsonbPath*> paths;
paths.push_back(&root_path);
if (!search_is_const) {
state_ptr = std::make_shared<LikeState>();
state_ptr->is_like_pattern = true;
const auto& search_str = col_search_string->get_data_at(i);
+
+ // The default is \ if the escape_char argument is missing or
NULL.
Review Comment:
done it, but I meet a problem need help
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