Method checkIfScriptExists

src/tendisplus/script/script_manager.cpp:177–196

}

Expected<std::string> ScriptManager::checkIfScriptExists(Session* sess) {
  const std::vector<std::string>& args = sess->getArgs();
  auto expdb = _svr->getSegmentMgr()->getDb(
    sess, LUASCRIPT_DEFAULT_DBID, mgl::LockMode::LOCK_IS);
  RET_IF_ERR_EXPECTED(expdb);
  auto kvstore = expdb.value().store;
  auto ptxn = kvstore->createTransaction(sess);
  RET_IF_ERR_EXPECTED(ptxn);
  auto& txn = ptxn.value();
  std::stringstream ss;
  Command::fmtMultiBulkLen(ss, args.size() - 2);
  for (uint32_t i = 2; i < args.size(); ++i) {
    auto tmpSha = toLower(args[i]);
    RecordKey rk(
      LuaScript::CHUNKID, LuaScript::DBID, RecordType::RT_META, tmpSha, "");
    auto expStr = kvstore->getKV(rk, txn.get());
    Command::fmtLongLong(ss, expStr.ok() ? 1 : 0);
  }
  return ss.str();
}

Status ScriptManager::startup(uint32_t luaStateNum) {
  LOG(INFO) << "ScriptManager::startup begin.";