#4541

Committed 19 Jul 2025 01:13AM UTC coverage: 56.753% (-1.6%) from 58.31%

Build # #4541

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push

travis-ci

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web-flow

Commit Message

fix: subquery memleak (#32024)

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67.17

/source/dnode/vnode/src/tsdb/tsdbUtil.c

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "tcompression.h"
#include "tdataformat.h"
#include "tsdb.h"
#include "tsdbDef.h"

int32_t tsdbGetColCmprAlgFromSet(SHashObj *set, int16_t colId, uint32_t *alg);

static int32_t tBlockDataCompressKeyPart(SBlockData *bData, SDiskDataHdr *hdr, SBuffer *buffer, SBuffer *assist,
                                         SColCompressInfo *pCompressExt);

// SMapData =======================================================================
void tMapDataReset(SMapData *pMapData) {
  pMapData->nItem = 0;
  pMapData->nData = 0;
}

void tMapDataClear(SMapData *pMapData) {
  tFree(pMapData->aOffset);
  tFree(pMapData->pData);
  pMapData->pData = NULL;
  pMapData->aOffset = NULL;
}

#ifdef BUILD_NO_CALL
int32_t tMapDataPutItem(SMapData *pMapData, void *pItem, int32_t (*tPutItemFn)(uint8_t *, void *)) {
  int32_t code = 0;
  int32_t offset = pMapData->nData;
  int32_t nItem = pMapData->nItem;

  pMapData->nItem++;
  pMapData->nData += tPutItemFn(NULL, pItem);

  // alloc
  code = tRealloc((uint8_t **)&pMapData->aOffset, sizeof(int32_t) * pMapData->nItem);
  if (code) goto _exit;
  code = tRealloc(&pMapData->pData, pMapData->nData);
  if (code) goto _exit;

  // put
  pMapData->aOffset[nItem] = offset;
  tPutItemFn(pMapData->pData + offset, pItem);

_exit:
  return code;
}

int32_t tMapDataCopy(SMapData *pFrom, SMapData *pTo) {
  int32_t code = 0;

  pTo->nItem = pFrom->nItem;
  pTo->nData = pFrom->nData;
  code = tRealloc((uint8_t **)&pTo->aOffset, sizeof(int32_t) * pFrom->nItem);
  if (code) goto _exit;
  code = tRealloc(&pTo->pData, pFrom->nData);
  if (code) goto _exit;
  memcpy(pTo->aOffset, pFrom->aOffset, sizeof(int32_t) * pFrom->nItem);
  memcpy(pTo->pData, pFrom->pData, pFrom->nData);

_exit:
  return code;
}

int32_t tMapDataSearch(SMapData *pMapData, void *pSearchItem, int32_t (*tGetItemFn)(uint8_t *, void *),
                       int32_t (*tItemCmprFn)(const void *, const void *), void *pItem) {
  int32_t code = 0;
  int32_t lidx = 0;
  int32_t ridx = pMapData->nItem - 1;
  int32_t midx;
  int32_t c;

  while (lidx <= ridx) {
    midx = (lidx + ridx) / 2;

    tMapDataGetItemByIdx(pMapData, midx, pItem, tGetItemFn);

    c = tItemCmprFn(pSearchItem, pItem);
    if (c == 0) {
      goto _exit;
    } else if (c < 0) {
      ridx = midx - 1;
    } else {
      lidx = midx + 1;
    }
  }

  code = TSDB_CODE_NOT_FOUND;

_exit:
  return code;
}
#endif

void tMapDataGetItemByIdx(SMapData *pMapData, int32_t idx, void *pItem, int32_t (*tGetItemFn)(uint8_t *, void *)) {
  int32_t r = tGetItemFn(pMapData->pData + pMapData->aOffset[idx], pItem);
}

#ifdef BUILD_NO_CALL
int32_t tMapDataToArray(SMapData *pMapData, int32_t itemSize, int32_t (*tGetItemFn)(uint8_t *, void *),
                        SArray **ppArray) {
  int32_t code = 0;

  SArray *pArray = taosArrayInit(pMapData->nItem, itemSize);
  if (pArray == NULL) {
    code = terrno;
    goto _exit;
  }

  for (int32_t i = 0; i < pMapData->nItem; i++) {
    tMapDataGetItemByIdx(pMapData, i, taosArrayReserve(pArray, 1), tGetItemFn);
  }

_exit:
  *ppArray = pArray;
  return code;
}

int32_t tPutMapData(uint8_t *p, SMapData *pMapData) {
  int32_t n = 0;

  n += tPutI32v(p ? p + n : p, pMapData->nItem);
  if (pMapData->nItem) {
    int32_t lOffset = 0;
    for (int32_t iItem = 0; iItem < pMapData->nItem; iItem++) {
      n += tPutI32v(p ? p + n : p, pMapData->aOffset[iItem] - lOffset);
      lOffset = pMapData->aOffset[iItem];
    }

    n += tPutI32v(p ? p + n : p, pMapData->nData);
    if (p) {
      memcpy(p + n, pMapData->pData, pMapData->nData);
    }
    n += pMapData->nData;
  }

  return n;
}
#endif

int32_t tGetMapData(uint8_t *p, SMapData *pMapData, int32_t *decodedSize) {
  int32_t n = 0;
  int32_t code;
  int32_t offset;

  tMapDataReset(pMapData);

  n += tGetI32v(p + n, &pMapData->nItem);
  if (pMapData->nItem) {
    code = tRealloc((uint8_t **)&pMapData->aOffset, sizeof(int32_t) * pMapData->nItem);
    if (code) {
      return code;
    }

    int32_t lOffset = 0;
    for (int32_t iItem = 0; iItem < pMapData->nItem; iItem++) {
      n += tGetI32v(p + n, &pMapData->aOffset[iItem]);
      pMapData->aOffset[iItem] += lOffset;
      lOffset = pMapData->aOffset[iItem];
    }

    n += tGetI32v(p + n, &pMapData->nData);
    code = tRealloc(&pMapData->pData, pMapData->nData);
    if (code) {
      return code;
    }
    memcpy(pMapData->pData, p + n, pMapData->nData);
    n += pMapData->nData;
  }

  if (decodedSize) {
    *decodedSize = n;
  }

  return 0;
}

#ifdef BUILD_NO_CALL
// TABLEID =======================================================================
int32_t tTABLEIDCmprFn(const void *p1, const void *p2) {
  TABLEID *pId1 = (TABLEID *)p1;
  TABLEID *pId2 = (TABLEID *)p2;

  if (pId1->suid < pId2->suid) {
    return -1;
  } else if (pId1->suid > pId2->suid) {
    return 1;
  }

  if (pId1->uid < pId2->uid) {
    return -1;
  } else if (pId1->uid > pId2->uid) {
    return 1;
  }

  return 0;
}

// SBlockIdx ======================================================
int32_t tPutBlockIdx(uint8_t *p, void *ph) {
  int32_t    n = 0;
  SBlockIdx *pBlockIdx = (SBlockIdx *)ph;

  n += tPutI64(p ? p + n : p, pBlockIdx->suid);
  n += tPutI64(p ? p + n : p, pBlockIdx->uid);
  n += tPutI64v(p ? p + n : p, pBlockIdx->offset);
  n += tPutI64v(p ? p + n : p, pBlockIdx->size);

  return n;
}
#endif

int32_t tGetBlockIdx(uint8_t *p, void *ph) {
  int32_t    n = 0;
  SBlockIdx *pBlockIdx = (SBlockIdx *)ph;

  n += tGetI64(p + n, &pBlockIdx->suid);
  n += tGetI64(p + n, &pBlockIdx->uid);
  n += tGetI64v(p + n, &pBlockIdx->offset);
  n += tGetI64v(p + n, &pBlockIdx->size);

  return n;
}

#ifdef BUILD_NO_CALL
int32_t tCmprBlockIdx(void const *lhs, void const *rhs) {
  SBlockIdx *lBlockIdx = (SBlockIdx *)lhs;
  SBlockIdx *rBlockIdx = (SBlockIdx *)rhs;

  if (lBlockIdx->suid < rBlockIdx->suid) {
    return -1;
  } else if (lBlockIdx->suid > rBlockIdx->suid) {
    return 1;
  }

  if (lBlockIdx->uid < rBlockIdx->uid) {
    return -1;
  } else if (lBlockIdx->uid > rBlockIdx->uid) {
    return 1;
  }

  return 0;
}

int32_t tCmprBlockL(void const *lhs, void const *rhs) {
  SBlockIdx *lBlockIdx = (SBlockIdx *)lhs;
  SSttBlk   *rBlockL = (SSttBlk *)rhs;

  if (lBlockIdx->suid < rBlockL->suid) {
    return -1;
  } else if (lBlockIdx->suid > rBlockL->suid) {
    return 1;
  }

  if (lBlockIdx->uid < rBlockL->minUid) {
    return -1;
  } else if (lBlockIdx->uid > rBlockL->maxUid) {
    return 1;
  }

  return 0;
}

// SDataBlk ======================================================
void tDataBlkReset(SDataBlk *pDataBlk) {
  *pDataBlk = (SDataBlk){.minKey = TSDBKEY_MAX, .maxKey = TSDBKEY_MIN, .minVer = VERSION_MAX, .maxVer = VERSION_MIN};
}

int32_t tPutDataBlk(uint8_t *p, void *ph) {
  int32_t   n = 0;
  SDataBlk *pDataBlk = (SDataBlk *)ph;

  n += tPutI64v(p ? p + n : p, pDataBlk->minKey.version);
  n += tPutI64v(p ? p + n : p, pDataBlk->minKey.ts);
  n += tPutI64v(p ? p + n : p, pDataBlk->maxKey.version);
  n += tPutI64v(p ? p + n : p, pDataBlk->maxKey.ts);
  n += tPutI64v(p ? p + n : p, pDataBlk->minVer);
  n += tPutI64v(p ? p + n : p, pDataBlk->maxVer);
  n += tPutI32v(p ? p + n : p, pDataBlk->nRow);
  n += tPutI8(p ? p + n : p, pDataBlk->hasDup);
  n += tPutI8(p ? p + n : p, pDataBlk->nSubBlock);
  for (int8_t iSubBlock = 0; iSubBlock < pDataBlk->nSubBlock; iSubBlock++) {
    n += tPutI64v(p ? p + n : p, pDataBlk->aSubBlock[iSubBlock].offset);
    n += tPutI32v(p ? p + n : p, pDataBlk->aSubBlock[iSubBlock].szBlock);
    n += tPutI32v(p ? p + n : p, pDataBlk->aSubBlock[iSubBlock].szKey);
  }
  if (pDataBlk->nSubBlock == 1 && !pDataBlk->hasDup) {
    n += tPutI64v(p ? p + n : p, pDataBlk->smaInfo.offset);
    n += tPutI32v(p ? p + n : p, pDataBlk->smaInfo.size);
  }

  return n;
}
#endif

int32_t tGetDataBlk(uint8_t *p, void *ph) {
  int32_t   n = 0;
  SDataBlk *pDataBlk = (SDataBlk *)ph;

  n += tGetI64v(p + n, &pDataBlk->minKey.version);
  n += tGetI64v(p + n, &pDataBlk->minKey.ts);
  n += tGetI64v(p + n, &pDataBlk->maxKey.version);
  n += tGetI64v(p + n, &pDataBlk->maxKey.ts);
  n += tGetI64v(p + n, &pDataBlk->minVer);
  n += tGetI64v(p + n, &pDataBlk->maxVer);
  n += tGetI32v(p + n, &pDataBlk->nRow);
  n += tGetI8(p + n, &pDataBlk->hasDup);
  n += tGetI8(p + n, &pDataBlk->nSubBlock);
  for (int8_t iSubBlock = 0; iSubBlock < pDataBlk->nSubBlock; iSubBlock++) {
    n += tGetI64v(p + n, &pDataBlk->aSubBlock[iSubBlock].offset);
    n += tGetI32v(p + n, &pDataBlk->aSubBlock[iSubBlock].szBlock);
    n += tGetI32v(p + n, &pDataBlk->aSubBlock[iSubBlock].szKey);
  }
  if (pDataBlk->nSubBlock == 1 && !pDataBlk->hasDup) {
    n += tGetI64v(p + n, &pDataBlk->smaInfo.offset);
    n += tGetI32v(p + n, &pDataBlk->smaInfo.size);
  } else {
    pDataBlk->smaInfo.offset = 0;
    pDataBlk->smaInfo.size = 0;
  }

  return n;
}

#ifdef BUILD_NO_CALL
int32_t tDataBlkCmprFn(const void *p1, const void *p2) {
  SDataBlk *pBlock1 = (SDataBlk *)p1;
  SDataBlk *pBlock2 = (SDataBlk *)p2;

  if (tsdbKeyCmprFn(&pBlock1->maxKey, &pBlock2->minKey) < 0) {
    return -1;
  } else if (tsdbKeyCmprFn(&pBlock1->minKey, &pBlock2->maxKey) > 0) {
    return 1;
  }

  return 0;
}

bool tDataBlkHasSma(SDataBlk *pDataBlk) {
  if (pDataBlk->nSubBlock > 1) return false;
  if (pDataBlk->hasDup) return false;

  return pDataBlk->smaInfo.size > 0;
}

// SSttBlk ======================================================
int32_t tPutSttBlk(uint8_t *p, void *ph) {
  int32_t  n = 0;
  SSttBlk *pSttBlk = (SSttBlk *)ph;

  n += tPutI64(p ? p + n : p, pSttBlk->suid);
  n += tPutI64(p ? p + n : p, pSttBlk->minUid);
  n += tPutI64(p ? p + n : p, pSttBlk->maxUid);
  n += tPutI64v(p ? p + n : p, pSttBlk->minKey);
  n += tPutI64v(p ? p + n : p, pSttBlk->maxKey);
  n += tPutI64v(p ? p + n : p, pSttBlk->minVer);
  n += tPutI64v(p ? p + n : p, pSttBlk->maxVer);
  n += tPutI32v(p ? p + n : p, pSttBlk->nRow);
  n += tPutI64v(p ? p + n : p, pSttBlk->bInfo.offset);
  n += tPutI32v(p ? p + n : p, pSttBlk->bInfo.szBlock);
  n += tPutI32v(p ? p + n : p, pSttBlk->bInfo.szKey);

  return n;
}
#endif

int32_t tGetSttBlk(uint8_t *p, void *ph) {
  int32_t  n = 0;
  SSttBlk *pSttBlk = (SSttBlk *)ph;

  n += tGetI64(p + n, &pSttBlk->suid);
  n += tGetI64(p + n, &pSttBlk->minUid);
  n += tGetI64(p + n, &pSttBlk->maxUid);
  n += tGetI64v(p + n, &pSttBlk->minKey);
  n += tGetI64v(p + n, &pSttBlk->maxKey);
  n += tGetI64v(p + n, &pSttBlk->minVer);
  n += tGetI64v(p + n, &pSttBlk->maxVer);
  n += tGetI32v(p + n, &pSttBlk->nRow);
  n += tGetI64v(p + n, &pSttBlk->bInfo.offset);
  n += tGetI32v(p + n, &pSttBlk->bInfo.szBlock);
  n += tGetI32v(p + n, &pSttBlk->bInfo.szKey);

  return n;
}

// SBlockCol ======================================================

static const int32_t BLOCK_WITH_ALG_VER = 2;

int32_t tPutBlockCol(SBuffer *buffer, const SBlockCol *pBlockCol, int32_t ver, uint32_t defaultCmprAlg) {
  int32_t code;

  if ((code = tBufferPutI16v(buffer, pBlockCol->cid))) return code;
  if ((code = tBufferPutI8(buffer, pBlockCol->type))) return code;
  if ((code = tBufferPutI8(buffer, pBlockCol->cflag))) return code;
  if ((code = tBufferPutI8(buffer, pBlockCol->flag))) return code;
  if ((code = tBufferPutI32v(buffer, pBlockCol->szOrigin))) return code;

  if (pBlockCol->flag != HAS_NULL) {
    if (pBlockCol->flag != HAS_VALUE) {
      if ((code = tBufferPutI32v(buffer, pBlockCol->szBitmap))) return code;
    }

    if (IS_VAR_DATA_TYPE(pBlockCol->type)) {
      if ((code = tBufferPutI32v(buffer, pBlockCol->szOffset))) return code;
    }

    if (pBlockCol->flag != (HAS_NULL | HAS_NONE)) {
      if ((code = tBufferPutI32v(buffer, pBlockCol->szValue))) return code;
    }

    if ((code = tBufferPutI32v(buffer, pBlockCol->offset))) return code;
  }
  if (ver >= BLOCK_WITH_ALG_VER) {
    if ((code = tBufferPutU32(buffer, pBlockCol->alg))) return code;
  } else {
    if ((code = tBufferPutU32(buffer, defaultCmprAlg))) return code;
  }
  return 0;
}

int32_t tGetBlockCol(SBufferReader *br, SBlockCol *pBlockCol, int32_t ver, uint32_t defaultCmprAlg) {
  int32_t code;

  if ((code = tBufferGetI16v(br, &pBlockCol->cid))) return code;
  if ((code = tBufferGetI8(br, &pBlockCol->type))) return code;
  if ((code = tBufferGetI8(br, &pBlockCol->cflag))) return code;
  if ((code = tBufferGetI8(br, &pBlockCol->flag))) return code;
  if ((code = tBufferGetI32v(br, &pBlockCol->szOrigin))) return code;

  pBlockCol->szBitmap = 0;
  pBlockCol->szOffset = 0;
  pBlockCol->szValue = 0;
  pBlockCol->offset = 0;

  if (pBlockCol->flag != HAS_NULL) {
    if (pBlockCol->flag != HAS_VALUE) {
      if ((code = tBufferGetI32v(br, &pBlockCol->szBitmap))) return code;
    }

    if (IS_VAR_DATA_TYPE(pBlockCol->type)) {
      if ((code = tBufferGetI32v(br, &pBlockCol->szOffset))) return code;
    }

    if (pBlockCol->flag != (HAS_NULL | HAS_NONE)) {
      if ((code = tBufferGetI32v(br, &pBlockCol->szValue))) return code;
    }

    if ((code = tBufferGetI32v(br, &pBlockCol->offset))) return code;
  }

  if (ver >= BLOCK_WITH_ALG_VER) {
    if ((code = tBufferGetU32(br, &pBlockCol->alg))) return code;
  } else {
    pBlockCol->alg = defaultCmprAlg;
  }

  return 0;
}

#ifdef BUILD_NO_CALL
int32_t tBlockColCmprFn(const void *p1, const void *p2) {
  if (((SBlockCol *)p1)->cid < ((SBlockCol *)p2)->cid) {
    return -1;
  } else if (((SBlockCol *)p1)->cid > ((SBlockCol *)p2)->cid) {
    return 1;
  }

  return 0;
}

// SDelIdx ======================================================
int32_t tCmprDelIdx(void const *lhs, void const *rhs) {
  SDelIdx *lDelIdx = (SDelIdx *)lhs;
  SDelIdx *rDelIdx = (SDelIdx *)rhs;

  if (lDelIdx->suid < rDelIdx->suid) {
    return -1;
  } else if (lDelIdx->suid > rDelIdx->suid) {
    return 1;
  }

  if (lDelIdx->uid < rDelIdx->uid) {
    return -1;
  } else if (lDelIdx->uid > rDelIdx->uid) {
    return 1;
  }

  return 0;
}

int32_t tPutDelIdx(uint8_t *p, void *ph) {
  SDelIdx *pDelIdx = (SDelIdx *)ph;
  int32_t  n = 0;

  n += tPutI64(p ? p + n : p, pDelIdx->suid);
  n += tPutI64(p ? p + n : p, pDelIdx->uid);
  n += tPutI64v(p ? p + n : p, pDelIdx->offset);
  n += tPutI64v(p ? p + n : p, pDelIdx->size);

  return n;
}
#endif

int32_t tGetDelIdx(uint8_t *p, void *ph) {
  SDelIdx *pDelIdx = (SDelIdx *)ph;
  int32_t  n = 0;

  n += tGetI64(p + n, &pDelIdx->suid);
  n += tGetI64(p + n, &pDelIdx->uid);
  n += tGetI64v(p + n, &pDelIdx->offset);
  n += tGetI64v(p + n, &pDelIdx->size);

  return n;
}

#ifdef BUILD_NO_CALL
// SDelData ======================================================
int32_t tPutDelData(uint8_t *p, void *ph) {
  SDelData *pDelData = (SDelData *)ph;
  int32_t   n = 0;

  n += tPutI64v(p ? p + n : p, pDelData->version);
  n += tPutI64(p ? p + n : p, pDelData->sKey);
  n += tPutI64(p ? p + n : p, pDelData->eKey);

  return n;
}
#endif

int32_t tGetDelData(uint8_t *p, void *ph) {
  SDelData *pDelData = (SDelData *)ph;
  int32_t   n = 0;

  n += tGetI64v(p + n, &pDelData->version);
  n += tGetI64(p + n, &pDelData->sKey);
  n += tGetI64(p + n, &pDelData->eKey);

  return n;
}

int32_t tsdbKeyFid(TSKEY key, int32_t minutes, int8_t precision) {
  int64_t fid;
  if (key < 0) {
    fid = ((key + 1) / tsTickPerMin[precision] / minutes - 1);
    return (fid < INT32_MIN) ? INT32_MIN : (int32_t)fid;
  } else {
    fid = ((key / tsTickPerMin[precision] / minutes));
    return (fid > INT32_MAX) ? INT32_MAX : (int32_t)fid;
  }
}

void tsdbFidKeyRange(int32_t fid, int32_t minutes, int8_t precision, TSKEY *minKey, TSKEY *maxKey) {
  *minKey = tsTickPerMin[precision] * fid * minutes;
  *maxKey = *minKey + tsTickPerMin[precision] * minutes - 1;
}

int32_t tsdbFidLevel(int32_t fid, STsdbKeepCfg *pKeepCfg, int64_t nowSec) {
  int32_t aFid[3];
  TSKEY   key;

  if (pKeepCfg->precision == TSDB_TIME_PRECISION_MILLI) {
    nowSec = nowSec * 1000;
  } else if (pKeepCfg->precision == TSDB_TIME_PRECISION_MICRO) {
    nowSec = nowSec * 1000000l;
  } else if (pKeepCfg->precision == TSDB_TIME_PRECISION_NANO) {
    nowSec = nowSec * 1000000000l;
  } else {
    tsdbError("invalid time precision:%d", pKeepCfg->precision);
    return 0;
  }

  nowSec = nowSec - pKeepCfg->keepTimeOffset * tsTickPerHour[pKeepCfg->precision];

  key = nowSec - pKeepCfg->keep0 * tsTickPerMin[pKeepCfg->precision];
  aFid[0] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);
  key = nowSec - pKeepCfg->keep1 * tsTickPerMin[pKeepCfg->precision];
  aFid[1] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);
  key = nowSec - pKeepCfg->keep2 * tsTickPerMin[pKeepCfg->precision];
  aFid[2] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);

  if (fid >= aFid[0]) {
    return 0;
  } else if (fid >= aFid[1]) {
    return 1;
  } else if (fid >= aFid[2]) {
    return 2;
  } else {
    return -1;
  }
}

// TSDBROW ======================================================
void tsdbRowGetColVal(TSDBROW *pRow, STSchema *pTSchema, int32_t iCol, SColVal *pColVal) {
  int32_t   code = 0;
  STColumn *pTColumn = &pTSchema->columns[iCol];
  SValue    value;

  if (pRow->type == TSDBROW_ROW_FMT) {
    int32_t ret = tRowGet(pRow->pTSRow, pTSchema, iCol, pColVal);
    if (ret != 0) {
      tsdbError("failed to get column value, code:%d", ret);
    }
  } else if (pRow->type == TSDBROW_COL_FMT) {
    if (iCol == 0) {
      SValue val = {.type = TSDB_DATA_TYPE_TIMESTAMP};
      VALUE_SET_TRIVIAL_DATUM(&val, pRow->pBlockData->aTSKEY[pRow->iRow]);
      *pColVal = COL_VAL_VALUE(PRIMARYKEY_TIMESTAMP_COL_ID, val);
    } else {
      SColData *pColData = tBlockDataGetColData(pRow->pBlockData, pTColumn->colId);
      if (pColData) {
        if (tColDataGetValue(pColData, pRow->iRow, pColVal) != 0) {
          tsdbError("failed to tColDataGetValue");
        }
      } else {
        *pColVal = COL_VAL_NONE(pTColumn->colId, pTColumn->type);
      }
    }
  }
}

void tsdbRowGetKey(TSDBROW *row, STsdbRowKey *key) {
  if (row->type == TSDBROW_ROW_FMT) {
    key->version = row->version;
    tRowGetKey(row->pTSRow, &key->key);
  } else {
    key->version = row->pBlockData->aVersion[row->iRow];
    tColRowGetKey(row->pBlockData, row->iRow, &key->key);
  }
}

void tColRowGetPrimaryKey(SBlockData *pBlock, int32_t irow, SRowKey *key) {
  for (int32_t i = 0; i < pBlock->nColData; i++) {
    SColData *pColData = &pBlock->aColData[i];
    if (pColData->cflag & COL_IS_KEY) {
      SColVal cv;
      if (tColDataGetValue(pColData, irow, &cv) != 0) {
        break;
      }
      key->pks[key->numOfPKs] = cv.value;
      key->numOfPKs++;
    } else {
      break;
    }
  }
}

int32_t tsdbRowKeyCmpr(const STsdbRowKey *key1, const STsdbRowKey *key2) {
  int32_t c = tRowKeyCompare(&key1->key, &key2->key);

  if (c) {
    return c;
  }

  if (key1->version < key2->version) {
    return -1;
  } else if (key1->version > key2->version) {
    return 1;
  }
  return 0;
}

int32_t tsdbRowCompare(const void *p1, const void *p2) {
  STsdbRowKey key1, key2;

  tsdbRowGetKey((TSDBROW *)p1, &key1);
  tsdbRowGetKey((TSDBROW *)p2, &key2);
  return tsdbRowKeyCmpr(&key1, &key2);
}

int32_t tsdbRowCompareWithoutVersion(const void *p1, const void *p2) {
  STsdbRowKey key1, key2;

  tsdbRowGetKey((TSDBROW *)p1, &key1);
  tsdbRowGetKey((TSDBROW *)p2, &key2);
  return tRowKeyCompare(&key1.key, &key2.key);
}

// STSDBRowIter ======================================================
int32_t tsdbRowIterOpen(STSDBRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema) {
  pIter->pRow = pRow;
  if (pRow->type == TSDBROW_ROW_FMT) {
    int32_t code = tRowIterOpen(pRow->pTSRow, pTSchema, &pIter->pIter);
    if (code) return code;
  } else if (pRow->type == TSDBROW_COL_FMT) {
    pIter->iColData = 0;
  }

  return 0;
}

void tsdbRowClose(STSDBRowIter *pIter) {
  if (pIter->pRow && pIter->pRow->type == TSDBROW_ROW_FMT) {
    tRowIterClose(&pIter->pIter);
  }
  pIter->pRow = NULL;
  pIter->pIter = NULL;
}

SColVal *tsdbRowIterNext(STSDBRowIter *pIter) {
  if (pIter->pRow->type == TSDBROW_ROW_FMT) {
    return tRowIterNext(pIter->pIter);
  } else if (pIter->pRow->type == TSDBROW_COL_FMT) {
    if (pIter->iColData == 0) {
      SValue val = {.type = TSDB_DATA_TYPE_TIMESTAMP};
      VALUE_SET_TRIVIAL_DATUM(&val, pIter->pRow->pBlockData->aTSKEY[pIter->pRow->iRow]);
      pIter->cv = COL_VAL_VALUE(PRIMARYKEY_TIMESTAMP_COL_ID, val);
      ++pIter->iColData;
      return &pIter->cv;
    }

    if (pIter->iColData <= pIter->pRow->pBlockData->nColData) {
      if (tColDataGetValue(&pIter->pRow->pBlockData->aColData[pIter->iColData - 1], pIter->pRow->iRow, &pIter->cv) !=
          0) {
        return NULL;
      }
      ++pIter->iColData;
      return &pIter->cv;
    } else {
      return NULL;
    }
  } else {
    tsdbError("invalid row type:%d", pIter->pRow->type);
    return NULL;
  }
}

// SRowMerger ======================================================
int32_t tsdbRowMergerAdd(SRowMerger *pMerger, TSDBROW *pRow, STSchema *pTSchema) {
  int32_t   code = 0;
  TSDBKEY   key = TSDBROW_KEY(pRow);
  SColVal  *pColVal = &(SColVal){0};
  STColumn *pTColumn;
  int32_t   iCol, jCol = 1;
  pRow->arg = pMerger->arg;

  if (NULL == pTSchema) {
    pTSchema = pMerger->pTSchema;
  }

  if (taosArrayGetSize(pMerger->pArray) == 0) {
    // ts
    jCol = 0;
    pTColumn = &pTSchema->columns[jCol++];
    SValue val = {.type = pTColumn->type};
    VALUE_SET_TRIVIAL_DATUM(&val, key.ts);
    *pColVal = COL_VAL_VALUE(pTColumn->colId, val);
    if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
      code = terrno;
      return code;
    }

    // other
    for (iCol = 1; jCol < pTSchema->numOfCols && iCol < pMerger->pTSchema->numOfCols; ++iCol) {
      pTColumn = &pMerger->pTSchema->columns[iCol];
      if (pTSchema->columns[jCol].colId < pTColumn->colId) {
        ++jCol;
        --iCol;
        continue;
      } else if (pTSchema->columns[jCol].colId > pTColumn->colId) {
        if (taosArrayPush(pMerger->pArray, &COL_VAL_NONE(pTColumn->colId, pTColumn->type)) == NULL) {
          return terrno;
        }
        continue;
      }

      tsdbRowGetColVal(pRow, pTSchema, jCol++, pColVal);
      bool usepData = IS_VAR_DATA_TYPE(pColVal->value.type) || pColVal->value.type == TSDB_DATA_TYPE_DECIMAL;
      if ((!COL_VAL_IS_NONE(pColVal)) && (!COL_VAL_IS_NULL(pColVal)) && usepData) {
        uint8_t *pVal = pColVal->value.pData;

        pColVal->value.pData = NULL;
        code = tRealloc(&pColVal->value.pData, pColVal->value.nData);
        if (code) {
          return code;
        }

        if (pColVal->value.nData) {
          memcpy(pColVal->value.pData, pVal, pColVal->value.nData);
        }
      }

      if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
        return terrno;
      }
    }

    for (; iCol < pMerger->pTSchema->numOfCols; ++iCol) {
      pTColumn = &pMerger->pTSchema->columns[iCol];
      if (taosArrayPush(pMerger->pArray, &COL_VAL_NONE(pTColumn->colId, pTColumn->type)) == NULL) {
        return terrno;
      }
    }

    pMerger->version = key.version;
    return 0;
  } else {
    for (iCol = 1; iCol < pMerger->pTSchema->numOfCols && jCol < pTSchema->numOfCols; ++iCol) {
      pTColumn = &pMerger->pTSchema->columns[iCol];
      if (pTSchema->columns[jCol].colId < pTColumn->colId) {
        ++jCol;
        --iCol;
        continue;
      } else if (pTSchema->columns[jCol].colId > pTColumn->colId) {
        continue;
      }

      tsdbRowGetColVal(pRow, pTSchema, jCol++, pColVal);

      if (key.version > pMerger->version) {
        if (!COL_VAL_IS_NONE(pColVal)) {
          if (IS_VAR_DATA_TYPE(pColVal->value.type) || pColVal->value.type == TSDB_DATA_TYPE_DECIMAL) {
            SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
            if (!pTColVal) return terrno;
            if (!COL_VAL_IS_NULL(pColVal)) {
              code = tRealloc(&pTColVal->value.pData, pColVal->value.nData);
              if (code) return code;

              pTColVal->value.nData = pColVal->value.nData;
              if (pTColVal->value.nData) {
                memcpy(pTColVal->value.pData, pColVal->value.pData, pTColVal->value.nData);
              }
              pTColVal->flag = 0;
            } else {
              tFree(pTColVal->value.pData);
              taosArraySet(pMerger->pArray, iCol, pColVal);
            }
          } else {
            taosArraySet(pMerger->pArray, iCol, pColVal);
          }
        }
      } else if (key.version < pMerger->version) {
        SColVal *tColVal = (SColVal *)taosArrayGet(pMerger->pArray, iCol);
        if (COL_VAL_IS_NONE(tColVal) && !COL_VAL_IS_NONE(pColVal)) {
          bool usepData = IS_VAR_DATA_TYPE(pColVal->value.type) || pColVal->value.type == TSDB_DATA_TYPE_DECIMAL;
          if ((!COL_VAL_IS_NULL(pColVal)) && usepData) {
            code = tRealloc(&tColVal->value.pData, pColVal->value.nData);
            if (code) return code;

            tColVal->value.nData = pColVal->value.nData;
            if (pColVal->value.nData) {
              memcpy(tColVal->value.pData, pColVal->value.pData, pColVal->value.nData);
            }
            tColVal->flag = 0;
          } else {
            taosArraySet(pMerger->pArray, iCol, pColVal);
          }
        }
      } else {
        return TSDB_CODE_SUCCESS;  // same version, no need to merge
      }
    }

    pMerger->version = key.version;
    return code;
  }
}

int32_t tsdbRowMergerInit(SRowMerger *pMerger, STSchema *pSchema) {
  pMerger->pTSchema = pSchema;
  pMerger->pArray = taosArrayInit(pSchema->numOfCols, sizeof(SColVal));
  if (pMerger->pArray == NULL) {
    return terrno;
  } else {
    return TSDB_CODE_SUCCESS;
  }
}

void tsdbRowMergerClear(SRowMerger *pMerger) {
  for (int32_t iCol = 1; iCol < pMerger->pTSchema->numOfCols; iCol++) {
    SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
    if (IS_VAR_DATA_TYPE(pTColVal->value.type) || pTColVal->value.type == TSDB_DATA_TYPE_DECIMAL) {
      tFree(pTColVal->value.pData);
    }
  }

  taosArrayClear(pMerger->pArray);
}

void tsdbRowMergerCleanup(SRowMerger *pMerger) {
  int32_t numOfCols = taosArrayGetSize(pMerger->pArray);
  for (int32_t iCol = 1; iCol < numOfCols; iCol++) {
    SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
    if (IS_VAR_DATA_TYPE(pTColVal->value.type) || pTColVal->value.type == TSDB_DATA_TYPE_DECIMAL) {
      tFree(pTColVal->value.pData);
    }
  }

  taosArrayDestroy(pMerger->pArray);
}

int32_t tsdbRowMergerGetRow(SRowMerger *pMerger, SRow **ppRow) {
  SRowBuildScanInfo scanInfo = {.hasBlob = 0};
  return tRowBuild(pMerger->pArray, pMerger->pTSchema, ppRow, &scanInfo);
  // tRowBuildWithMerge(pMerger->pArray, pMerger->pTSchema, ppRow);
}

// delete skyline ======================================================
static void tsdbMergeSkyline(SArray *pSkyline1, SArray *pSkyline2, SArray *pSkyline) {
  int32_t  i1 = 0;
  int32_t  n1 = taosArrayGetSize(pSkyline1);
  int32_t  i2 = 0;
  int32_t  n2 = taosArrayGetSize(pSkyline2);
  TSDBKEY *pKey1;
  TSDBKEY *pKey2;
  int64_t  version1 = 0;
  int64_t  version2 = 0;

  taosArrayClear(pSkyline);
  TSDBKEY **pItem = TARRAY_GET_ELEM(pSkyline, 0);

  while (i1 < n1 && i2 < n2) {
    pKey1 = (TSDBKEY *)taosArrayGetP(pSkyline1, i1);
    pKey2 = (TSDBKEY *)taosArrayGetP(pSkyline2, i2);

    if (pKey1->ts < pKey2->ts) {
      version1 = pKey1->version;
      *pItem = pKey1;
      i1++;
    } else if (pKey1->ts > pKey2->ts) {
      version2 = pKey2->version;
      *pItem = pKey2;
      i2++;
    } else {
      version1 = pKey1->version;
      version2 = pKey2->version;
      *pItem = pKey1;
      i1++;
      i2++;
    }

    (*pItem)->version = TMAX(version1, version2);
    pItem++;
  }

  while (i1 < n1) {
    pKey1 = (TSDBKEY *)taosArrayGetP(pSkyline1, i1);
    *pItem = pKey1;
    pItem++;
    i1++;
  }

  while (i2 < n2) {
    pKey2 = (TSDBKEY *)taosArrayGetP(pSkyline2, i2);
    *pItem = pKey2;
    pItem++;
    i2++;
  }

  pSkyline->size = TARRAY_ELEM_IDX(pSkyline, pItem);
}

int32_t tsdbBuildDeleteSkylineImpl(SArray *aSkyline, int32_t sidx, int32_t eidx, SArray *pSkyline) {
  int32_t   code = 0;
  SDelData *pDelData;
  int32_t   midx;

  taosArrayClear(pSkyline);
  if (sidx == eidx) {
    TSDBKEY *pItem1 = taosArrayGet(aSkyline, sidx * 2);
    TSDBKEY *pItem2 = taosArrayGet(aSkyline, sidx * 2 + 1);
    if (taosArrayPush(pSkyline, &pItem1) == NULL) {
      return terrno;
    }

    if (taosArrayPush(pSkyline, &pItem2) == NULL) {
      return terrno;
    }
  } else {
    SArray *pSkyline1 = NULL;
    SArray *pSkyline2 = NULL;
    midx = (sidx + eidx) / 2;

    pSkyline1 = taosArrayInit((midx - sidx + 1) * 2, POINTER_BYTES);
    if (pSkyline1 == NULL) {
      return terrno;
    }
    pSkyline2 = taosArrayInit((eidx - midx) * 2, POINTER_BYTES);
    if (pSkyline2 == NULL) {
      taosArrayDestroy(pSkyline1);
      return terrno;
    }

    code = tsdbBuildDeleteSkylineImpl(aSkyline, sidx, midx, pSkyline1);
    if (code) goto _clear;

    code = tsdbBuildDeleteSkylineImpl(aSkyline, midx + 1, eidx, pSkyline2);
    if (code) goto _clear;

    tsdbMergeSkyline(pSkyline1, pSkyline2, pSkyline);

  _clear:
    taosArrayDestroy(pSkyline1);
    taosArrayDestroy(pSkyline2);
  }

  return code;
}

int32_t tsdbBuildDeleteSkyline(SArray *aDelData, int32_t sidx, int32_t eidx, SArray *aSkyline) {
  SDelData *pDelData;
  int32_t   code = 0;
  int32_t   dataNum = eidx - sidx + 1;
  SArray   *aTmpSkyline = taosArrayInit(dataNum * 2, sizeof(TSDBKEY));
  if (aTmpSkyline == NULL) {
    return terrno;
  }

  SArray *pSkyline = taosArrayInit(dataNum * 2, POINTER_BYTES);
  if (pSkyline == NULL) {
    taosArrayDestroy(aTmpSkyline);
    return terrno;
  }

  taosArrayClear(aSkyline);
  for (int32_t i = sidx; i <= eidx; ++i) {
    pDelData = (SDelData *)taosArrayGet(aDelData, i);
    if (taosArrayPush(aTmpSkyline, &(TSDBKEY){.ts = pDelData->sKey, .version = pDelData->version}) == NULL) {
      code = terrno;
      goto _clear;
    }

    if (taosArrayPush(aTmpSkyline, &(TSDBKEY){.ts = pDelData->eKey, .version = 0}) == NULL) {
      code = terrno;
      goto _clear;
    }
  }

  code = tsdbBuildDeleteSkylineImpl(aTmpSkyline, sidx, eidx, pSkyline);
  if (code) goto _clear;

  int32_t skylineNum = taosArrayGetSize(pSkyline);
  for (int32_t i = 0; i < skylineNum; ++i) {
    TSDBKEY *p = taosArrayGetP(pSkyline, i);
    if (taosArrayPush(aSkyline, p) == NULL) {
      code = terrno;
      goto _clear;
    }
  }

_clear:
  taosArrayDestroy(aTmpSkyline);
  taosArrayDestroy(pSkyline);

  return code;
}

/*
int32_t tsdbBuildDeleteSkyline2(SArray *aDelData, int32_t sidx, int32_t eidx, SArray *aSkyline) {
  int32_t   code = 0;
  SDelData *pDelData;
  int32_t   midx;

  taosArrayClear(aSkyline);
  if (sidx == eidx) {
    pDelData = (SDelData *)taosArrayGet(aDelData, sidx);
    taosArrayPush(aSkyline, &(TSDBKEY){.ts = pDelData->sKey, .version = pDelData->version});
    taosArrayPush(aSkyline, &(TSDBKEY){.ts = pDelData->eKey, .version = 0});
  } else {
    SArray *aSkyline1 = NULL;
    SArray *aSkyline2 = NULL;

    aSkyline1 = taosArrayInit(0, sizeof(TSDBKEY));
    aSkyline2 = taosArrayInit(0, sizeof(TSDBKEY));
    if (aSkyline1 == NULL || aSkyline2 == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _clear;
    }
    midx = (sidx + eidx) / 2;

    code = tsdbBuildDeleteSkyline(aDelData, sidx, midx, aSkyline1);
    if (code) goto _clear;

    code = tsdbBuildDeleteSkyline(aDelData, midx + 1, eidx, aSkyline2);
    if (code) goto _clear;

    code = tsdbMergeSkyline(aSkyline1, aSkyline2, aSkyline);

  _clear:
    taosArrayDestroy(aSkyline1);
    taosArrayDestroy(aSkyline2);
  }

  return code;
}
*/

// SBlockData ======================================================
int32_t tBlockDataCreate(SBlockData *pBlockData) {
  pBlockData->suid = 0;
  pBlockData->uid = 0;
  pBlockData->nRow = 0;
  pBlockData->aUid = NULL;
  pBlockData->aVersion = NULL;
  pBlockData->aTSKEY = NULL;
  pBlockData->nColData = 0;
  pBlockData->aColData = NULL;
  return 0;
}

void tBlockDataDestroy(SBlockData *pBlockData) {
  tFree(pBlockData->aUid);
  tFree(pBlockData->aVersion);
  tFree(pBlockData->aTSKEY);

  for (int32_t i = 0; i < pBlockData->nColData; i++) {
    tColDataDestroy(&pBlockData->aColData[i]);
  }

  if (pBlockData->aColData) {
    taosMemoryFree(pBlockData->aColData);
    pBlockData->aColData = NULL;
  }
}

static int32_t tBlockDataAdjustColData(SBlockData *pBlockData, int32_t nColData) {
  int32_t code = 0;

  if (pBlockData->nColData > nColData) {
    for (int32_t i = nColData; i < pBlockData->nColData; i++) {
      tColDataDestroy(&pBlockData->aColData[i]);
    }
  } else if (pBlockData->nColData < nColData) {
    SColData *aColData = taosMemoryRealloc(pBlockData->aColData, sizeof(SBlockData) * nColData);
    if (aColData == NULL) {
      code = terrno;
      goto _exit;
    }

    pBlockData->aColData = aColData;
    memset(&pBlockData->aColData[pBlockData->nColData], 0, sizeof(SBlockData) * (nColData - pBlockData->nColData));
  }
  pBlockData->nColData = nColData;

_exit:
  return code;
}
int32_t tBlockDataInit(SBlockData *pBlockData, TABLEID *pId, STSchema *pTSchema, int16_t *aCid, int32_t nCid) {
  int32_t code = 0;

  if (!pId->suid && !pId->uid) {
    return TSDB_CODE_INVALID_PARA;
  }

  pBlockData->suid = pId->suid;
  pBlockData->uid = pId->uid;
  pBlockData->nRow = 0;

  if (aCid) {
    code = tBlockDataAdjustColData(pBlockData, nCid);
    if (code) goto _exit;

    int32_t   iColumn = 1;
    STColumn *pTColumn = &pTSchema->columns[iColumn];
    for (int32_t iCid = 0; iCid < nCid; iCid++) {
      // aCid array (from taos client catalog) contains columns that does not exist in the pTSchema. the pTSchema is
      // newer
      if (pTColumn == NULL) {
        continue;
      }

      while (pTColumn->colId < aCid[iCid]) {
        iColumn++;
        if (!(iColumn < pTSchema->numOfCols)) {
          return TSDB_CODE_INVALID_PARA;
        }
        pTColumn = &pTSchema->columns[iColumn];
      }

      if (pTColumn->colId != aCid[iCid]) {
        continue;
      }

      tColDataInit(&pBlockData->aColData[iCid], pTColumn->colId, pTColumn->type, pTColumn->flags);

      iColumn++;
      pTColumn = (iColumn < pTSchema->numOfCols) ? &pTSchema->columns[iColumn] : NULL;
    }
  } else {
    code = tBlockDataAdjustColData(pBlockData, pTSchema->numOfCols - 1);
    if (code) goto _exit;

    for (int32_t iColData = 0; iColData < pBlockData->nColData; iColData++) {
      STColumn *pTColumn = &pTSchema->columns[iColData + 1];
      tColDataInit(&pBlockData->aColData[iColData], pTColumn->colId, pTColumn->type, pTColumn->flags);
    }
  }

_exit:
  return code;
}

void tBlockDataReset(SBlockData *pBlockData) {
  pBlockData->suid = 0;
  pBlockData->uid = 0;
  pBlockData->nRow = 0;
  for (int32_t i = 0; i < pBlockData->nColData; i++) {
    tColDataDestroy(&pBlockData->aColData[i]);
  }
  pBlockData->nColData = 0;
  taosMemoryFreeClear(pBlockData->aColData);
}

void tBlockDataClear(SBlockData *pBlockData) {
  pBlockData->nRow = 0;
  for (int32_t iColData = 0; iColData < pBlockData->nColData; iColData++) {
    tColDataClear(tBlockDataGetColDataByIdx(pBlockData, iColData));
  }
}

int32_t tBlockDataAddColData(SBlockData *pBlockData, int16_t cid, int8_t type, int8_t cflag, SColData **ppColData) {
  if (pBlockData->nColData != 0 && pBlockData->aColData[pBlockData->nColData - 1].cid >= cid) {
    return TSDB_CODE_INVALID_PARA;
  }

  SColData *newColData = taosMemoryRealloc(pBlockData->aColData, sizeof(SColData) * (pBlockData->nColData + 1));
  if (newColData == NULL) {
    return terrno;
  }

  pBlockData->aColData = newColData;
  pBlockData->nColData++;

  *ppColData = &pBlockData->aColData[pBlockData->nColData - 1];
  memset(*ppColData, 0, sizeof(SColData));
  tColDataInit(*ppColData, cid, type, cflag);

  return 0;
}

/* flag > 0: forward update
 * flag == 0: insert
 * flag < 0: backward update
 */
static int32_t tBlockDataUpsertBlockRow(SBlockData *pBlockData, SBlockData *pBlockDataFrom, int32_t iRow,
                                        int32_t flag) {
  int32_t code = 0;

  SColVal   cv = {0};
  int32_t   iColDataFrom = 0;
  SColData *pColDataFrom = (iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;

  for (int32_t iColDataTo = 0; iColDataTo < pBlockData->nColData; iColDataTo++) {
    SColData *pColDataTo = &pBlockData->aColData[iColDataTo];

    while (pColDataFrom && pColDataFrom->cid < pColDataTo->cid) {
      pColDataFrom = (++iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;
    }

    if (pColDataFrom == NULL || pColDataFrom->cid > pColDataTo->cid) {
      cv = COL_VAL_NONE(pColDataTo->cid, pColDataTo->type);
      if (flag == 0 && (code = tColDataAppendValue(pColDataTo, &cv))) goto _exit;
    } else {
      code = tColDataGetValue(pColDataFrom, iRow, &cv);
      if (code) goto _exit;

      if (flag) {
        code = tColDataUpdateValue(pColDataTo, &cv, flag > 0);
      } else {
        code = tColDataAppendValue(pColDataTo, &cv);
      }
      if (code) goto _exit;

      pColDataFrom = (++iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;
    }
  }

_exit:
  return code;
}

int32_t tBlockDataAppendRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTSchema, int64_t uid) {
  int32_t code = 0;

  if (!(pBlockData->suid || pBlockData->uid)) {
    return TSDB_CODE_INVALID_PARA;
  }

  // uid
  if (pBlockData->uid == 0) {
    if (!uid) {
      return TSDB_CODE_INVALID_PARA;
    }
    code = tRealloc((uint8_t **)&pBlockData->aUid, sizeof(int64_t) * (pBlockData->nRow + 1));
    if (code) goto _exit;
    pBlockData->aUid[pBlockData->nRow] = uid;
  }
  // version
  code = tRealloc((uint8_t **)&pBlockData->aVersion, sizeof(int64_t) * (pBlockData->nRow + 1));
  if (code) goto _exit;
  pBlockData->aVersion[pBlockData->nRow] = TSDBROW_VERSION(pRow);
  // timestamp
  code = tRealloc((uint8_t **)&pBlockData->aTSKEY, sizeof(TSKEY) * (pBlockData->nRow + 1));
  if (code) goto _exit;
  pBlockData->aTSKEY[pBlockData->nRow] = TSDBROW_TS(pRow);

  if (pRow->type == TSDBROW_ROW_FMT) {
    code = tRowUpsertColData(pRow->pTSRow, pTSchema, pBlockData->aColData, pBlockData->nColData, 0 /* append */);
    if (code) goto _exit;
  } else if (pRow->type == TSDBROW_COL_FMT) {
    code = tBlockDataUpsertBlockRow(pBlockData, pRow->pBlockData, pRow->iRow, 0 /* append */);
    if (code) goto _exit;
  } else {
    return TSDB_CODE_INVALID_PARA;
  }
  pBlockData->nRow++;

_exit:
  return code;
}
int32_t tBlockDataUpdateRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTSchema) {
  int32_t code = 0;

  // version
  int64_t lversion = pBlockData->aVersion[pBlockData->nRow - 1];
  int64_t rversion = TSDBROW_VERSION(pRow);
  if (lversion == rversion) {
    return TSDB_CODE_SUCCESS;
  }
  if (rversion > lversion) {
    pBlockData->aVersion[pBlockData->nRow - 1] = rversion;
  }

  // update other rows
  if (pRow->type == TSDBROW_ROW_FMT) {
    code = tRowUpsertColData(pRow->pTSRow, pTSchema, pBlockData->aColData, pBlockData->nColData,
                             (rversion > lversion) ? 1 : -1 /* update */);
    if (code) goto _exit;
  } else if (pRow->type == TSDBROW_COL_FMT) {
    code = tBlockDataUpsertBlockRow(pBlockData, pRow->pBlockData, pRow->iRow, (rversion > lversion) ? 1 : -1);
    if (code) goto _exit;
  } else {
    code = TSDB_CODE_INVALID_PARA;
    goto _exit;
  }

_exit:
  return code;
}

#ifdef BUILD_NO_CALL
int32_t tBlockDataTryUpsertRow(SBlockData *pBlockData, TSDBROW *pRow, int64_t uid) {
  if (pBlockData->nRow == 0) {
    return 1;
  } else if (pBlockData->aTSKEY[pBlockData->nRow - 1] == TSDBROW_TS(pRow)) {
    return pBlockData->nRow;
  } else {
    return pBlockData->nRow + 1;
  }
}

int32_t tBlockDataUpsertRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTSchema, int64_t uid) {
  if (pBlockData->nRow > 0 && pBlockData->aTSKEY[pBlockData->nRow - 1] == TSDBROW_TS(pRow)) {
    return tBlockDataUpdateRow(pBlockData, pRow, pTSchema);
  } else {
    return tBlockDataAppendRow(pBlockData, pRow, pTSchema, uid);
  }
}
#endif

SColData *tBlockDataGetColData(SBlockData *pBlockData, int16_t cid) {
  int32_t lidx = 0;
  int32_t ridx = pBlockData->nColData - 1;

  while (lidx <= ridx) {
    int32_t   midx = (lidx + ridx) >> 1;
    SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, midx);
    int32_t   c = (pColData->cid == cid) ? 0 : ((pColData->cid > cid) ? 1 : -1);

    if (c == 0) {
      return pColData;
    } else if (c < 0) {
      lidx = midx + 1;
    } else {
      ridx = midx - 1;
    }
  }

  return NULL;
}

/* buffers[0]: SDiskDataHdr
 * buffers[1]: key part: uid + version + ts + primary keys
 * buffers[2]: SBlockCol part
 * buffers[3]: regular column part
 */
int32_t tBlockDataCompress(SBlockData *bData, void *pCompr, SBuffer *buffers, SBuffer *assist) {
  int32_t code = 0;
  int32_t lino = 0;

  SColCompressInfo *pInfo = pCompr;
  code = tsdbGetColCmprAlgFromSet(pInfo->pColCmpr, 1, &pInfo->defaultCmprAlg);
  TAOS_UNUSED(code);

  SDiskDataHdr hdr = {
      .delimiter = TSDB_FILE_DLMT,
      .fmtVer = 2,
      .suid = bData->suid,
      .uid = bData->uid,
      .szUid = 0,     // filled by compress key
      .szVer = 0,     // filled by compress key
      .szKey = 0,     // filled by compress key
      .szBlkCol = 0,  // filled by this func
      .nRow = bData->nRow,
      .cmprAlg = pInfo->defaultCmprAlg,
      .numOfPKs = 0,  // filled by compress key
  };
  // Key part

  tBufferClear(&buffers[1]);
  code = tBlockDataCompressKeyPart(bData, &hdr, &buffers[1], assist, (SColCompressInfo *)pInfo);
  TSDB_CHECK_CODE(code, lino, _exit);

  // Regulart column part
  tBufferClear(&buffers[2]);
  tBufferClear(&buffers[3]);
  for (int i = 0; i < bData->nColData; i++) {
    SColData *colData = tBlockDataGetColDataByIdx(bData, i);

    if (colData->cflag & COL_IS_KEY) {
      continue;
    }
    if (colData->flag == HAS_NONE) {
      continue;
    }

    SColDataCompressInfo cinfo = {
        .cmprAlg = pInfo->defaultCmprAlg,
    };
    code = tsdbGetColCmprAlgFromSet(pInfo->pColCmpr, colData->cid, &cinfo.cmprAlg);
    if (code < 0) {
      //
    }

    int32_t offset = buffers[3].size;
    code = tColDataCompress(colData, &cinfo, &buffers[3], assist);
    TSDB_CHECK_CODE(code, lino, _exit);

    SBlockCol blockCol = (SBlockCol){.cid = cinfo.columnId,
                                     .type = cinfo.dataType,
                                     .cflag = cinfo.columnFlag,
                                     .flag = cinfo.flag,
                                     .szOrigin = cinfo.dataOriginalSize,
                                     .szBitmap = cinfo.bitmapCompressedSize,
                                     .szOffset = cinfo.offsetCompressedSize,
                                     .szValue = cinfo.dataCompressedSize,
                                     .offset = offset,
                                     .alg = cinfo.cmprAlg};

    code = tPutBlockCol(&buffers[2], &blockCol, hdr.fmtVer, hdr.cmprAlg);
    TSDB_CHECK_CODE(code, lino, _exit);
  }
  hdr.szBlkCol = buffers[2].size;

  // SDiskDataHdr part
  tBufferClear(&buffers[0]);
  code = tPutDiskDataHdr(&buffers[0], &hdr);
  TSDB_CHECK_CODE(code, lino, _exit);

_exit:
  return code;
}

int32_t tBlockDataDecompress(SBufferReader *br, SBlockData *blockData, SBuffer *assist) {
  int32_t       code = 0;
  int32_t       lino = 0;
  SDiskDataHdr  hdr = {0};
  SCompressInfo cinfo;

  // SDiskDataHdr
  code = tGetDiskDataHdr(br, &hdr);
  TSDB_CHECK_CODE(code, lino, _exit);

  tBlockDataReset(blockData);
  blockData->suid = hdr.suid;
  blockData->uid = hdr.uid;
  blockData->nRow = hdr.nRow;

  // Key part
  code = tBlockDataDecompressKeyPart(&hdr, br, blockData, assist);
  TSDB_CHECK_CODE(code, lino, _exit);

  // Column part
  SBufferReader br2 = *br;
  br->offset += hdr.szBlkCol;
  for (uint32_t startOffset = br2.offset; br2.offset - startOffset < hdr.szBlkCol;) {
    SBlockCol blockCol;

    code = tGetBlockCol(&br2, &blockCol, hdr.fmtVer, hdr.cmprAlg);
    TSDB_CHECK_CODE(code, lino, _exit);
    if (blockCol.alg == 0) blockCol.alg = hdr.cmprAlg;
    code = tBlockDataDecompressColData(&hdr, &blockCol, br, blockData, assist);
    TSDB_CHECK_CODE(code, lino, _exit);
  }

_exit:
  return code;
}

// SDiskDataHdr ==============================
int32_t tPutDiskDataHdr(SBuffer *buffer, const SDiskDataHdr *pHdr) {
  int32_t code;

  if ((code = tBufferPutU32(buffer, pHdr->delimiter))) return code;
  if ((code = tBufferPutU32v(buffer, pHdr->fmtVer))) return code;
  if ((code = tBufferPutI64(buffer, pHdr->suid))) return code;
  if ((code = tBufferPutI64(buffer, pHdr->uid))) return code;
  if ((code = tBufferPutI32v(buffer, pHdr->szUid))) return code;
  if ((code = tBufferPutI32v(buffer, pHdr->szVer))) return code;
  if ((code = tBufferPutI32v(buffer, pHdr->szKey))) return code;
  if ((code = tBufferPutI32v(buffer, pHdr->szBlkCol))) return code;
  if ((code = tBufferPutI32v(buffer, pHdr->nRow))) return code;
  if (pHdr->fmtVer < 2) {
    if ((code = tBufferPutI8(buffer, pHdr->cmprAlg))) return code;
  } else if (pHdr->fmtVer == 2) {
    if ((code = tBufferPutU32(buffer, pHdr->cmprAlg))) return code;
  } else {
    // more data fmt ver
  }
  if (pHdr->fmtVer >= 1) {
    if ((code = tBufferPutI8(buffer, pHdr->numOfPKs))) return code;
    for (int i = 0; i < pHdr->numOfPKs; i++) {
      if ((code = tPutBlockCol(buffer, &pHdr->primaryBlockCols[i], pHdr->fmtVer, pHdr->cmprAlg))) return code;
    }
  }

  return 0;
}

int32_t tGetDiskDataHdr(SBufferReader *br, SDiskDataHdr *pHdr) {
  int32_t code;

  if ((code = tBufferGetU32(br, &pHdr->delimiter))) return code;
  if ((code = tBufferGetU32v(br, &pHdr->fmtVer))) return code;
  if ((code = tBufferGetI64(br, &pHdr->suid))) return code;
  if ((code = tBufferGetI64(br, &pHdr->uid))) return code;
  if ((code = tBufferGetI32v(br, &pHdr->szUid))) return code;
  if ((code = tBufferGetI32v(br, &pHdr->szVer))) return code;
  if ((code = tBufferGetI32v(br, &pHdr->szKey))) return code;
  if ((code = tBufferGetI32v(br, &pHdr->szBlkCol))) return code;
  if ((code = tBufferGetI32v(br, &pHdr->nRow))) return code;
  if (pHdr->fmtVer < 2) {
    int8_t cmprAlg = 0;
    if ((code = tBufferGetI8(br, &cmprAlg))) return code;
    pHdr->cmprAlg = cmprAlg;
  } else if (pHdr->fmtVer == 2) {
    if ((code = tBufferGetU32(br, &pHdr->cmprAlg))) return code;
  } else {
    // more data fmt ver
  }
  if (pHdr->fmtVer >= 1) {
    if ((code = tBufferGetI8(br, &pHdr->numOfPKs))) return code;
    for (int i = 0; i < pHdr->numOfPKs; i++) {
      if ((code = tGetBlockCol(br, &pHdr->primaryBlockCols[i], pHdr->fmtVer, pHdr->cmprAlg))) {
        return code;
      }
    }
  } else {
    pHdr->numOfPKs = 0;
  }

  return 0;
}

// ALGORITHM ==============================
int32_t tPutColumnDataAgg(SBuffer *buffer, SColumnDataAgg *pColAgg) {
  int32_t code;

  if (pColAgg->colId & DECIMAL_AGG_FLAG) {
    if ((code = tBufferPutI32v(buffer, pColAgg->colId))) return code;
    if ((code = tBufferPutI16v(buffer, pColAgg->numOfNull))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Sum[0]))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Sum[1]))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Max[0]))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Max[1]))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Min[0]))) return code;
    if ((code = tBufferPutU64(buffer, pColAgg->decimal128Min[1]))) return code;
    if ((code = tBufferPutU8(buffer, pColAgg->overflow))) return code;
  } else {
    if ((code = tBufferPutI32v(buffer, pColAgg->colId))) return code;
    if ((code = tBufferPutI16v(buffer, pColAgg->numOfNull))) return code;
    if ((code = tBufferPutI64(buffer, pColAgg->sum))) return code;
    if ((code = tBufferPutI64(buffer, pColAgg->max))) return code;
    if ((code = tBufferPutI64(buffer, pColAgg->min))) return code;
  }

  return 0;
}

int32_t tGetColumnDataAgg(SBufferReader *br, SColumnDataAgg *pColAgg) {
  int32_t code;

  if ((code = tBufferGetI32v(br, &pColAgg->colId))) return code;
  if ((code = tBufferGetI16v(br, &pColAgg->numOfNull))) return code;
  if (pColAgg->colId & DECIMAL_AGG_FLAG) {
    pColAgg->colId &= 0xFFFF;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Sum[0]))) return code;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Sum[1]))) return code;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Max[0]))) return code;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Max[1]))) return code;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Min[0]))) return code;
    if ((code = tBufferGetU64(br, &pColAgg->decimal128Min[1]))) return code;
    if ((code = tBufferGetU8(br, &pColAgg->overflow))) return code;
  } else {
    if ((code = tBufferGetI64(br, &pColAgg->sum))) return code;
    if ((code = tBufferGetI64(br, &pColAgg->max))) return code;
    if ((code = tBufferGetI64(br, &pColAgg->min))) return code;
  }

  return 0;
}

static int32_t tBlockDataCompressKeyPart(SBlockData *bData, SDiskDataHdr *hdr, SBuffer *buffer, SBuffer *assist,
                                         SColCompressInfo *compressInfo) {
  int32_t       code = 0;
  int32_t       lino = 0;
  SCompressInfo cinfo;

  // uid
  if (bData->uid == 0) {
    cinfo = (SCompressInfo){
        .cmprAlg = hdr->cmprAlg,
        .dataType = TSDB_DATA_TYPE_BIGINT,
        .originalSize = sizeof(int64_t) * bData->nRow,
    };
    code = tCompressDataToBuffer(bData->aUid, &cinfo, buffer, assist);
    TSDB_CHECK_CODE(code, lino, _exit);
    hdr->szUid = cinfo.compressedSize;
  }

  // version
  cinfo = (SCompressInfo){
      .cmprAlg = hdr->cmprAlg,
      .dataType = TSDB_DATA_TYPE_BIGINT,
      .originalSize = sizeof(int64_t) * bData->nRow,
  };
  code = tCompressDataToBuffer((uint8_t *)bData->aVersion, &cinfo, buffer, assist);
  TSDB_CHECK_CODE(code, lino, _exit);
  hdr->szVer = cinfo.compressedSize;

  // ts
  cinfo = (SCompressInfo){
      .cmprAlg = hdr->cmprAlg,
      .dataType = TSDB_DATA_TYPE_TIMESTAMP,
      .originalSize = sizeof(TSKEY) * bData->nRow,
  };

  code = tCompressDataToBuffer((uint8_t *)bData->aTSKEY, &cinfo, buffer, assist);
  TSDB_CHECK_CODE(code, lino, _exit);
  hdr->szKey = cinfo.compressedSize;

  // primary keys
  for (hdr->numOfPKs = 0; hdr->numOfPKs < bData->nColData; hdr->numOfPKs++) {
    if (!(hdr->numOfPKs <= TD_MAX_PK_COLS)) {
      return TSDB_CODE_INVALID_PARA;
    }

    SBlockCol *blockCol = &hdr->primaryBlockCols[hdr->numOfPKs];
    SColData  *colData = tBlockDataGetColDataByIdx(bData, hdr->numOfPKs);

    if ((colData->cflag & COL_IS_KEY) == 0) {
      break;
    }

    SColDataCompressInfo info = {
        .cmprAlg = hdr->cmprAlg,
    };
    code = tsdbGetColCmprAlgFromSet(compressInfo->pColCmpr, colData->cid, &info.cmprAlg);
    if (code < 0) {
      // do nothing
    } else {
    }

    code = tColDataCompress(colData, &info, buffer, assist);
    TSDB_CHECK_CODE(code, lino, _exit);

    *blockCol = (SBlockCol){
        .cid = info.columnId,
        .type = info.dataType,
        .cflag = info.columnFlag,
        .flag = info.flag,
        .szOrigin = info.dataOriginalSize,
        .szBitmap = info.bitmapCompressedSize,
        .szOffset = info.offsetCompressedSize,
        .szValue = info.dataCompressedSize,
        .offset = 0,
        .alg = info.cmprAlg,
    };
  }

_exit:
  return code;
}

int32_t tBlockDataDecompressColData(const SDiskDataHdr *hdr, const SBlockCol *blockCol, SBufferReader *br,
                                    SBlockData *blockData, SBuffer *assist) {
  int32_t code = 0;
  int32_t lino = 0;

  SColData *colData;

  code = tBlockDataAddColData(blockData, blockCol->cid, blockCol->type, blockCol->cflag, &colData);
  TSDB_CHECK_CODE(code, lino, _exit);

  SColDataCompressInfo info = {
      .cmprAlg = blockCol->alg,
      .columnFlag = blockCol->cflag,
      .flag = blockCol->flag,
      .dataType = blockCol->type,
      .columnId = blockCol->cid,
      .numOfData = hdr->nRow,
      .bitmapOriginalSize = 0,
      .bitmapCompressedSize = blockCol->szBitmap,
      .offsetOriginalSize = blockCol->szOffset ? sizeof(int32_t) * hdr->nRow : 0,
      .offsetCompressedSize = blockCol->szOffset,
      .dataOriginalSize = blockCol->szOrigin,
      .dataCompressedSize = blockCol->szValue,
  };

  switch (blockCol->flag) {
    case (HAS_NONE | HAS_NULL | HAS_VALUE):
      info.bitmapOriginalSize = BIT2_SIZE(hdr->nRow);
      break;
    case (HAS_NONE | HAS_NULL):
    case (HAS_NONE | HAS_VALUE):
    case (HAS_NULL | HAS_VALUE):
      info.bitmapOriginalSize = BIT1_SIZE(hdr->nRow);
      break;
  }

  code = tColDataDecompress(BR_PTR(br), &info, colData, assist);
  TSDB_CHECK_CODE(code, lino, _exit);
  br->offset += blockCol->szBitmap + blockCol->szOffset + blockCol->szValue;

_exit:
  return code;
}

int32_t tBlockDataDecompressKeyPart(const SDiskDataHdr *hdr, SBufferReader *br, SBlockData *blockData,
                                    SBuffer *assist) {
  int32_t       code = 0;
  int32_t       lino = 0;
  SCompressInfo cinfo;

  // uid
  if (hdr->szUid > 0) {
    cinfo = (SCompressInfo){
        .cmprAlg = hdr->cmprAlg,
        .dataType = TSDB_DATA_TYPE_BIGINT,
        .compressedSize = hdr->szUid,
        .originalSize = sizeof(int64_t) * hdr->nRow,
    };

    code = tRealloc((uint8_t **)&blockData->aUid, cinfo.originalSize);
    TSDB_CHECK_CODE(code, lino, _exit);
    code = tDecompressData(BR_PTR(br), &cinfo, blockData->aUid, cinfo.originalSize, assist);
    TSDB_CHECK_CODE(code, lino, _exit);
    br->offset += cinfo.compressedSize;
  }

  // version
  cinfo = (SCompressInfo){
      .cmprAlg = hdr->cmprAlg,
      .dataType = TSDB_DATA_TYPE_BIGINT,
      .compressedSize = hdr->szVer,
      .originalSize = sizeof(int64_t) * hdr->nRow,
  };
  code = tRealloc((uint8_t **)&blockData->aVersion, cinfo.originalSize);
  TSDB_CHECK_CODE(code, lino, _exit);
  code = tDecompressData(BR_PTR(br), &cinfo, blockData->aVersion, cinfo.originalSize, assist);
  TSDB_CHECK_CODE(code, lino, _exit);
  br->offset += cinfo.compressedSize;

  // ts
  cinfo = (SCompressInfo){
      .cmprAlg = hdr->cmprAlg,
      .dataType = TSDB_DATA_TYPE_TIMESTAMP,
      .compressedSize = hdr->szKey,
      .originalSize = sizeof(TSKEY) * hdr->nRow,
  };
  code = tRealloc((uint8_t **)&blockData->aTSKEY, cinfo.originalSize);
  TSDB_CHECK_CODE(code, lino, _exit);
  code = tDecompressData(BR_PTR(br), &cinfo, blockData->aTSKEY, cinfo.originalSize, assist);
  TSDB_CHECK_CODE(code, lino, _exit);
  br->offset += cinfo.compressedSize;

  // primary keys
  for (int i = 0; i < hdr->numOfPKs; i++) {
    const SBlockCol *blockCol = &hdr->primaryBlockCols[i];

    if (!(blockCol->flag == HAS_VALUE)) {
      TSDB_CHECK_CODE(code = TSDB_CODE_FILE_CORRUPTED, lino, _exit);
    }
    if (!(blockCol->cflag & COL_IS_KEY)) {
      TSDB_CHECK_CODE(code = TSDB_CODE_FILE_CORRUPTED, lino, _exit);
    }

    code = tBlockDataDecompressColData(hdr, blockCol, br, blockData, assist);
    TSDB_CHECK_CODE(code, lino, _exit);
  }

_exit:
  return code;
}

int32_t tsdbGetColCmprAlgFromSet(SHashObj *set, int16_t colId, uint32_t *alg) {
  if (set == NULL) return -1;

  uint32_t *ret = taosHashGet(set, &colId, sizeof(colId));
  if (ret == NULL) {
    return TSDB_CODE_NOT_FOUND;
  }

  *alg = *ret;
  return 0;
}
uint32_t tsdbCvtTimestampAlg(uint32_t alg) {
  DEFINE_VAR(alg)

  return 0;
}

int32_t tsdbAllocateDisk(STsdb *tsdb, const char *label, int32_t expLevel, SDiskID *diskId) {
  int32_t code = 0;
  int32_t lino = 0;
  SDiskID did = {0};
  STfs   *tfs = tsdb->pVnode->pTfs;

  code = tfsAllocDisk(tfs, expLevel, label, &did);
  if (code) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(tsdb->pVnode), __func__, __FILE__, __LINE__,
              tstrerror(code));
    return code;
  }

  if (tfsMkdirRecurAt(tfs, tsdb->path, did) != 0) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(tsdb->pVnode), __func__, __FILE__, __LINE__,
              tstrerror(code));
  }

  if (diskId) {
    *diskId = did;
  }
  return code;
}

int32_t tsdbAllocateDiskAtLevel(STsdb *tsdb, int32_t level, const char *label, SDiskID *diskId) {
  int32_t code = 0;
  SDiskID did = {0};
  STfs   *tfs = tsdb->pVnode->pTfs;

  code = tfsAllocDiskAtLevel(tfs, level, label, &did);
  if (code) {
    return code;
  }

  if (tfsMkdirRecurAt(tfs, tsdb->path, did) != 0) {
    tsdbError("vgId:%d %s failed at %s:%d since %s", TD_VID(tsdb->pVnode), __func__, __FILE__, __LINE__,
              tstrerror(code));
  }

  if (diskId) {
    *diskId = did;
  }
  return 0;
}

taosdata / TDengine / #4541

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