Method Key

be/src/exec/json/json-parser.cc:170–181

template <class Scanner>
bool JsonParser<Scanner>::Key(const char* str, uint32_t len, bool copy) {
  if (object_depth_ == 1 && array_depth_ == 0) {
    DCHECK_EQ(current_field_idx_, -1);
    string lower_case_key(len, 0);
    for (uint32_t i = 0; i < len; ++i) {
      lower_case_key[i] = ascii_tolower(str[i]);
    }
    auto iter = field_indexs_.find(lower_case_key);
    current_field_idx_ = (iter == field_indexs_.end()) ? -1 : iter->second;
  }
  return true;
}

template <class Scanner>
bool JsonParser<Scanner>::StartObject() {