Method saveLuaScript

src/tendisplus/script/script_manager.cpp:142–175

}

Expected<std::string> ScriptManager::saveLuaScript(Session* sess,
                                                   const std::string& sha,
                                                   const std::string& script) {
  auto luaState = getLuaStateBelongToThisThread();
  auto expLoadState = luaState->tryLoadLuaScript(script);
  RET_IF_ERR_EXPECTED(expLoadState);
  {
    std::shared_lock<std::shared_timed_mutex> lock(_mutex);
    luaState->setRunning(false);
  }
  auto expdb = _svr->getSegmentMgr()->getDb(
    sess, LUASCRIPT_DEFAULT_DBID, mgl::LockMode::LOCK_IX);
  RET_IF_ERR_EXPECTED(expdb);
  auto kvstore = expdb.value().store;
  auto ptxn = kvstore->createTransaction(sess);
  RET_IF_ERR_EXPECTED(ptxn);
  auto& txn = ptxn.value();
  // if sha is empty, calculate sha code for script first.
  std::string tmpSha;
  if (sha.empty()) {
    tmpSha = LuaState::getShaEncode(script);
  } else {
    tmpSha = toLower(sha);
  }
  RecordKey rk(
    LuaScript::CHUNKID, LuaScript::DBID, RecordType::RT_META, tmpSha, "");
  RecordValue rv(script, RecordType::RT_META, -1);
  auto s = kvstore->setKV(rk, rv, txn.get());
  RET_IF_ERR(s);
  auto commitStatus = txn->commit();
  RET_IF_ERR_EXPECTED(commitStatus);

  return Command::fmtBulk(tmpSha);
}

Expected<std::string> ScriptManager::checkIfScriptExists(Session* sess) {
  const std::vector<std::string>& args = sess->getArgs();