Method ParseUrlKey

be/src/exprs/string-functions-ir.cc:1424–1454

}

StringVal StringFunctions::ParseUrlKey(FunctionContext* ctx, const StringVal& url,
    const StringVal& part, const StringVal& key) {
  if (url.is_null || part.is_null || key.is_null) return StringVal::null();
  void* state = ctx->GetFunctionState(FunctionContext::FRAGMENT_LOCAL);
  UrlParser::UrlPart url_part;
  if (state != NULL) {
    url_part = *reinterpret_cast<UrlParser::UrlPart*>(state);
  } else {
    DCHECK(!ctx->IsArgConstant(1));
    url_part = UrlParser::GetUrlPart(StringValue::FromStringVal(part));
  }

  StringValue result;
  if (!UrlParser::ParseUrlKey(StringValue::FromStringVal(url), url_part,
      StringValue::FromStringVal(key), &result)) {
    // url is malformed, or url_part is invalid.
    if (url_part == UrlParser::INVALID) {
      stringstream ss;
      ss << "Invalid URL part: " << AnyValUtil::ToString(part);
      ctx->AddWarning(ss.str().c_str());
    } else {
      stringstream ss;
      ss << "Could not parse URL: " << AnyValUtil::ToString(url);
      ctx->AddWarning(ss.str().c_str());
    }
    return StringVal::null();
  }
  StringVal result_sv;
  result.ToStringVal(&result_sv);
  return result_sv;
}

StringVal StringFunctions::Chr(FunctionContext* ctx, const IntVal& val) {
  if (val.is_null) return StringVal::null();