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taosdata / TDengine / #4986

15 Mar 2026 08:32AM UTC coverage: 37.305% (-31.3%) from 68.601%
#4986

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travis-ci

tomchon
test: keep docs and unit test

125478 of 336361 relevant lines covered (37.3%)

1134847.06 hits per line

Source File
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16.0
/source/dnode/qnode/src/qnode.c
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/*
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 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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 *
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 * This program is free software: you can use, redistribute, and/or modify
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 * it under the terms of the GNU Affero General Public License, version 3
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 * or later ("AGPL"), as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "tqueue.h"
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#include "executor.h"
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#include "qndInt.h"
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#include "query.h"
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#include "qworker.h"
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int32_t qndOpen(const SQnodeOpt *pOption, SQnode **pQnode) {
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  *pQnode = taosMemoryCalloc(1, sizeof(SQnode));
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  if (NULL == *pQnode) {
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    qError("calloc SQnode failed");
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    return terrno;
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  }
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  (*pQnode)->qndId = QNODE_HANDLE;
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  int32_t code = qWorkerInit(NODE_TYPE_QNODE, (*pQnode)->qndId, (void **)&(*pQnode)->pQuery, &pOption->msgCb);
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  if (TSDB_CODE_SUCCESS != code) {
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    taosMemoryFreeClear(pQnode);
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    return code;
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  }
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  (*pQnode)->msgCb = pOption->msgCb;
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  return TSDB_CODE_SUCCESS;
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}
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void qndClose(SQnode *pQnode) {
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  qWorkerDestroy((void **)&pQnode->pQuery);
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  taosMemoryFree(pQnode);
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}
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int32_t qndGetLoad(SQnode *pQnode, SQnodeLoad *pLoad) {
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  SReadHandle  handle = {.pMsgCb = &pQnode->msgCb};
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  SQWorkerStat stat = {0};
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  int32_t code = qWorkerGetStat(&handle, pQnode->pQuery, &stat);
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  if (code) {
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    return code;
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  }
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  pLoad->numOfQueryInQueue = stat.numOfQueryInQueue;
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  pLoad->numOfFetchInQueue = stat.numOfFetchInQueue;
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  pLoad->timeInQueryQueue = stat.timeInQueryQueue;
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  pLoad->timeInFetchQueue = stat.timeInFetchQueue;
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  pLoad->cacheDataSize = stat.cacheDataSize;
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  pLoad->numOfProcessedQuery = stat.queryProcessed;
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  pLoad->numOfProcessedCQuery = stat.cqueryProcessed;
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  pLoad->numOfProcessedFetch = stat.fetchProcessed;
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  pLoad->numOfProcessedDrop = stat.dropProcessed;
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  pLoad->numOfProcessedNotify = stat.notifyProcessed;
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  pLoad->numOfProcessedHb = stat.hbProcessed;
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  pLoad->numOfProcessedDelete = stat.deleteProcessed;
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  return 0;
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}
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int32_t qndPreprocessQueryMsg(SQnode *pQnode, SRpcMsg *pMsg) {
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  int32_t qType = 0;
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  if (TDMT_SCH_QUERY != pMsg->msgType && TDMT_SCH_MERGE_QUERY != pMsg->msgType) {
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    return 0;
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  }
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  return qWorkerPreprocessQueryMsg(pQnode->pQuery, pMsg, false, &qType);
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}
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int32_t qndProcessQueryMsg(SQnode *pQnode, SQueueInfo *pInfo, SRpcMsg *pMsg) {
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  int32_t     code = -1;
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  int64_t     ts = pInfo->timestamp;
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  SReadHandle handle = {0};
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  handle.pMsgCb = &pQnode->msgCb;
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  handle.pWorkerCb = pInfo->workerCb;
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  const STraceId *trace = &pMsg->info.traceId;
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  qDebug("qnodeId:%d, msg:%s, %p in qnode queue is processing, %" PRIx64 ":%" PRIx64, 
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    pQnode->qndId, TMSG_INFO(pMsg->msgType), pMsg, TRACE_GET_ROOTID(trace), TRACE_GET_MSGID(trace));
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  switch (pMsg->msgType) {
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    case TDMT_SCH_QUERY:
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    case TDMT_SCH_MERGE_QUERY:
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      code = qWorkerProcessQueryMsg(&handle, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_SCH_QUERY_CONTINUE:
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      code = qWorkerProcessCQueryMsg(&handle, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_SCH_FETCH:
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    case TDMT_SCH_MERGE_FETCH:
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      code = qWorkerProcessFetchMsg(pQnode, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_SCH_CANCEL_TASK:
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      // code = qWorkerProcessCancelMsg(pQnode, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_SCH_DROP_TASK:
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      code = qWorkerProcessDropMsg(pQnode, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_VND_TMQ_CONSUME:
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      // code =  tqProcessConsumeReq(pQnode->pTq, pMsg);
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      // break;
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    case TDMT_SCH_QUERY_HEARTBEAT:
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      code = qWorkerProcessHbMsg(pQnode, pQnode->pQuery, pMsg, ts);
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      break;
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    case TDMT_SCH_TASK_NOTIFY:
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      code = qWorkerProcessNotifyMsg(pQnode, pQnode->pQuery, pMsg, ts);
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      break;
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    default:
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      qError("unknown msg type:%d in qnode queue", pMsg->msgType);
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      terrno = TSDB_CODE_APP_ERROR;
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  }
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  if (code == 0) {
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    return TSDB_CODE_ACTION_IN_PROGRESS;
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  } else {
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    return code;
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  }
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}
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