PragmaTwice commented on code in PR #1841:
URL: https://github.com/apache/kvrocks/pull/1841#discussion_r1367651675
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src/types/json.h:
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@@ -65,6 +66,47 @@ struct JsonValue {
return Status::OK();
}
+ Status StrAppend(std::string_view path, const std::string &append_value,
std::vector<uint64_t> &append_cnt) {
+ try {
+ auto append_trimmed = util::Trim(append_value, "\"");
+ jsoncons::jsonpath::json_replace(
+ value, path, [&append_trimmed, &append_cnt](const std::string &
/*path*/, jsoncons::json &origin) {
+ if (origin.is_string()) {
+ auto origin_str = origin.to_string();
+ // need trim "
+ auto origin_trimmed = util::Trim(origin_str, "\"");
+ append_cnt.push_back(origin_trimmed.length() +
append_trimmed.length());
+ std::string new_value;
+
new_value.append("\"").append(origin_trimmed).append(append_trimmed).append("\"");
+ origin = jsoncons::json::parse(new_value);
+ } else {
+ append_cnt.push_back(0);
+ }
+ });
+ } catch (const jsoncons::jsonpath::jsonpath_error &e) {
+ return {Status::NotOK, e.what()};
+ }
+
+ return Status::OK();
+ }
+
+ Status StrLen(std::string_view path, std::vector<uint64_t> &str_lens) const {
+ try {
+ jsoncons::jsonpath::json_query(value, path,
+ [&str_lens](const std::string & /*path*/,
const jsoncons::json &origin) {
+ if (origin.is_string()) {
+ // need subtraction "
+
str_lens.push_back(origin.to_string().length() - 2);
+ } else {
+ str_lens.push_back(0);
Review Comment:
How can you distinguish between zero-sized array and non-array here?
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