Function PrependFragment

be/src/common/logging.cc:62–72

Prepends fragment id, when available. If unavailable, looks for query id. If unavailable, prepends nothing.

// Prepends fragment id, when available. If unavailable, looks
// for query id. If unavailable, prepends nothing.
void PrependFragment(string* s, bool* changed) {
  impala::ThreadDebugInfo* tdi = impala::GetThreadDebugInfo();
  if (tdi != nullptr) {
    for (const auto& id : { tdi->GetInstanceId(), tdi->GetQueryId() }) {
      if (id == ZERO_UNIQUE_ID) continue;
      s->insert(0, PrintId(id) + "] ");
      if (changed != nullptr) *changed = true;
      return;
    }
  }
}

// Manipulates log messages by:
// - Applying redaction rules (if necessary)