tsdbUtil.c 51.6 KB
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/*
 * 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/>.
 */

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#include "tdataformat.h"
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#include "tsdb.h"

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// SMapData =======================================================================
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void tMapDataReset(SMapData *pMapData) {
  pMapData->nItem = 0;
  pMapData->nData = 0;
}
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void tMapDataClear(SMapData *pMapData) {
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  tFree(pMapData->aOffset);
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  tFree(pMapData->pData);
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  pMapData->pData = NULL;
  pMapData->aOffset = NULL;
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}

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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
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  code = tRealloc((uint8_t **)&pMapData->aOffset, sizeof(int32_t) * pMapData->nItem);
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  if (code) goto _exit;
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  code = tRealloc(&pMapData->pData, pMapData->nData);
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  if (code) goto _exit;
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  // put
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  pMapData->aOffset[nItem] = offset;
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  tPutItemFn(pMapData->pData + offset, pItem);

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_exit:
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  return code;
}

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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;
}

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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;
}
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void tMapDataGetItemByIdx(SMapData *pMapData, int32_t idx, void *pItem, int32_t (*tGetItemFn)(uint8_t *, void *)) {
  ASSERT(idx >= 0 && idx < pMapData->nItem);
  tGetItemFn(pMapData->pData + pMapData->aOffset[idx], pItem);
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}

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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) {
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    code = TSDB_CODE_OUT_OF_MEMORY;
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    goto _exit;
  }

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

_exit:
  if (code) {
    *ppArray = NULL;
    if (pArray) taosArrayDestroy(pArray);
  } else {
    *ppArray = pArray;
  }
  return code;
}

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

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

  return n;
}

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

  tMapDataReset(pMapData);
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  n += tGetI32v(p + n, &pMapData->nItem);
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  if (pMapData->nItem) {
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    if (tRealloc((uint8_t **)&pMapData->aOffset, sizeof(int32_t) * pMapData->nItem)) return -1;
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    int32_t lOffset = 0;
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    for (int32_t iItem = 0; iItem < pMapData->nItem; iItem++) {
      n += tGetI32v(p + n, &pMapData->aOffset[iItem]);
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      pMapData->aOffset[iItem] += lOffset;
      lOffset = pMapData->aOffset[iItem];
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    }
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    n += tGetI32v(p + n, &pMapData->nData);
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    if (tRealloc(&pMapData->pData, pMapData->nData)) return -1;
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    memcpy(pMapData->pData, p + n, pMapData->nData);
    n += pMapData->nData;
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  }

  return n;
}

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// TABLEID =======================================================================
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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;
}

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// SBlockIdx ======================================================
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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);
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  return n;
}

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int32_t tGetBlockIdx(uint8_t *p, void *ph) {
  int32_t    n = 0;
  SBlockIdx *pBlockIdx = (SBlockIdx *)ph;
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  n += tGetI64(p + n, &pBlockIdx->suid);
  n += tGetI64(p + n, &pBlockIdx->uid);
  n += tGetI64v(p + n, &pBlockIdx->offset);
  n += tGetI64v(p + n, &pBlockIdx->size);
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  return n;
}

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int32_t tCmprBlockIdx(void const *lhs, void const *rhs) {
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  SBlockIdx *lBlockIdx = (SBlockIdx *)lhs;
  SBlockIdx *rBlockIdx = (SBlockIdx *)rhs;
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  if (lBlockIdx->suid < rBlockIdx->suid) {
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    return -1;
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  } else if (lBlockIdx->suid > rBlockIdx->suid) {
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    return 1;
  }

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

  return 0;
}

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

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

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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);
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  }
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  if (pDataBlk->nSubBlock == 1 && !pDataBlk->hasDup) {
    n += tPutI64v(p ? p + n : p, pDataBlk->smaInfo.offset);
    n += tPutI32v(p ? p + n : p, pDataBlk->smaInfo.size);
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  }

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  return n;
}

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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);
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  }
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  if (pDataBlk->nSubBlock == 1 && !pDataBlk->hasDup) {
    n += tGetI64v(p + n, &pDataBlk->smaInfo.offset);
    n += tGetI32v(p + n, &pDataBlk->smaInfo.size);
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  } else {
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    pDataBlk->smaInfo.offset = 0;
    pDataBlk->smaInfo.size = 0;
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  }

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  return n;
}

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int32_t tDataBlkCmprFn(const void *p1, const void *p2) {
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  SDataBlk *pBlock1 = (SDataBlk *)p1;
  SDataBlk *pBlock2 = (SDataBlk *)p2;
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  if (tsdbKeyCmprFn(&pBlock1->maxKey, &pBlock2->minKey) < 0) {
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    return -1;
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  } else if (tsdbKeyCmprFn(&pBlock1->minKey, &pBlock2->maxKey) > 0) {
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    return 1;
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  }

  return 0;
}

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bool tDataBlkHasSma(SDataBlk *pDataBlk) {
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  if (pDataBlk->nSubBlock > 1) return false;
  if (pDataBlk->hasDup) return false;
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  return pDataBlk->smaInfo.size > 0;
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}
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// SSttBlk ======================================================
int32_t tPutSttBlk(uint8_t *p, void *ph) {
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  int32_t  n = 0;
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  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);
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  return n;
}

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int32_t tGetSttBlk(uint8_t *p, void *ph) {
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  int32_t  n = 0;
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  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);
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  return n;
}
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// SBlockCol ======================================================
int32_t tPutBlockCol(uint8_t *p, void *ph) {
  int32_t    n = 0;
  SBlockCol *pBlockCol = (SBlockCol *)ph;

  ASSERT(pBlockCol->flag && (pBlockCol->flag != HAS_NONE));

  n += tPutI16v(p ? p + n : p, pBlockCol->cid);
  n += tPutI8(p ? p + n : p, pBlockCol->type);
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  n += tPutI8(p ? p + n : p, pBlockCol->smaOn);
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  n += tPutI8(p ? p + n : p, pBlockCol->flag);
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  n += tPutI32v(p ? p + n : p, pBlockCol->szOrigin);
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  if (pBlockCol->flag != HAS_NULL) {
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    if (pBlockCol->flag != HAS_VALUE) {
      n += tPutI32v(p ? p + n : p, pBlockCol->szBitmap);
    }

    if (IS_VAR_DATA_TYPE(pBlockCol->type)) {
      n += tPutI32v(p ? p + n : p, pBlockCol->szOffset);
    }

    if (pBlockCol->flag != (HAS_NULL | HAS_NONE)) {
      n += tPutI32v(p ? p + n : p, pBlockCol->szValue);
    }

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    n += tPutI32v(p ? p + n : p, pBlockCol->offset);
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  }

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_exit:
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  return n;
}

int32_t tGetBlockCol(uint8_t *p, void *ph) {
  int32_t    n = 0;
  SBlockCol *pBlockCol = (SBlockCol *)ph;

  n += tGetI16v(p + n, &pBlockCol->cid);
  n += tGetI8(p + n, &pBlockCol->type);
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  n += tGetI8(p + n, &pBlockCol->smaOn);
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  n += tGetI8(p + n, &pBlockCol->flag);
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  n += tGetI32v(p + n, &pBlockCol->szOrigin);
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  ASSERT(pBlockCol->flag && (pBlockCol->flag != HAS_NONE));

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

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  if (pBlockCol->flag != HAS_NULL) {
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    if (pBlockCol->flag != HAS_VALUE) {
      n += tGetI32v(p + n, &pBlockCol->szBitmap);
    }

    if (IS_VAR_DATA_TYPE(pBlockCol->type)) {
      n += tGetI32v(p + n, &pBlockCol->szOffset);
    }

    if (pBlockCol->flag != (HAS_NULL | HAS_NONE)) {
      n += tGetI32v(p + n, &pBlockCol->szValue);
    }

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    n += tGetI32v(p + n, &pBlockCol->offset);
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  }

  return n;
}

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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;
}

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// SDelIdx ======================================================
457
int32_t tCmprDelIdx(void const *lhs, void const *rhs) {
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  SDelIdx *lDelIdx = (SDelIdx *)lhs;
  SDelIdx *rDelIdx = (SDelIdx *)rhs;
460

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  if (lDelIdx->suid < rDelIdx->suid) {
462
    return -1;
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  } else if (lDelIdx->suid > rDelIdx->suid) {
464 465 466
    return 1;
  }

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  if (lDelIdx->uid < rDelIdx->uid) {
468
    return -1;
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  } else if (lDelIdx->uid > rDelIdx->uid) {
470 471 472 473 474 475
    return 1;
  }

  return 0;
}

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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);
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  return n;
}

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int32_t tGetDelIdx(uint8_t *p, void *ph) {
  SDelIdx *pDelIdx = (SDelIdx *)ph;
  int32_t  n = 0;
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  n += tGetI64(p + n, &pDelIdx->suid);
  n += tGetI64(p + n, &pDelIdx->uid);
  n += tGetI64v(p + n, &pDelIdx->offset);
  n += tGetI64v(p + n, &pDelIdx->size);
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  return n;
}

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// SDelData ======================================================
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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);
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  return n;
}

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int32_t tGetDelData(uint8_t *p, void *ph) {
  SDelData *pDelData = (SDelData *)ph;
  int32_t   n = 0;
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  n += tGetI64v(p + n, &pDelData->version);
  n += tGetI64(p + n, &pDelData->sKey);
  n += tGetI64(p + n, &pDelData->eKey);
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  return n;
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}

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int32_t tsdbKeyFid(TSKEY key, int32_t minutes, int8_t precision) {
  if (key < 0) {
    return (int)((key + 1) / tsTickPerMin[precision] / minutes - 1);
  } else {
    return (int)((key / tsTickPerMin[precision] / minutes));
  }
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}

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void tsdbFidKeyRange(int32_t fid, int32_t minutes, int8_t precision, TSKEY *minKey, TSKEY *maxKey) {
532 533
  *minKey = tsTickPerMin[precision] * fid * minutes;
  *maxKey = *minKey + tsTickPerMin[precision] * minutes - 1;
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}

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

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  if (pKeepCfg->precision == TSDB_TIME_PRECISION_MILLI) {
    now = now * 1000;
  } else if (pKeepCfg->precision == TSDB_TIME_PRECISION_MICRO) {
    now = now * 1000000l;
  } else if (pKeepCfg->precision == TSDB_TIME_PRECISION_NANO) {
    now = now * 1000000000l;
  } else {
    ASSERT(0);
  }

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  key = now - pKeepCfg->keep0 * tsTickPerMin[pKeepCfg->precision];
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  aFid[0] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);
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  key = now - pKeepCfg->keep1 * tsTickPerMin[pKeepCfg->precision];
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  aFid[1] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);
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  key = now - pKeepCfg->keep2 * tsTickPerMin[pKeepCfg->precision];
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  aFid[2] = tsdbKeyFid(key, pKeepCfg->days, pKeepCfg->precision);
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  if (fid >= aFid[0]) {
    return 0;
  } else if (fid >= aFid[1]) {
    return 1;
  } else if (fid >= aFid[2]) {
    return 2;
  } else {
    return -1;
  }
}
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// TSDBROW ======================================================
void tsdbRowGetColVal(TSDBROW *pRow, STSchema *pTSchema, int32_t iCol, SColVal *pColVal) {
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  STColumn *pTColumn = &pTSchema->columns[iCol];
  SValue    value;

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  ASSERT(iCol > 0);

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  if (pRow->type == TSDBROW_ROW_FMT) {
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    tRowGet(pRow->pTSRow, pTSchema, iCol, pColVal);
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  } else if (pRow->type == TSDBROW_COL_FMT) {
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    SColData *pColData;
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    tBlockDataGetColData(pRow->pBlockData, pTColumn->colId, &pColData);
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581

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582
    if (pColData) {
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      tColDataGetValue(pColData, pRow->iRow, pColVal);
H
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584
    } else {
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585
      *pColVal = COL_VAL_NONE(pTColumn->colId, pTColumn->type);
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    }
  } else {
    ASSERT(0);
  }
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}

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int32_t tsdbRowCmprFn(const void *p1, const void *p2) {
  return tsdbKeyCmprFn(&TSDBROW_KEY((TSDBROW *)p1), &TSDBROW_KEY((TSDBROW *)p2));
}

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// STSDBRowIter ======================================================
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int32_t tsdbRowIterOpen(STSDBRowIter *pIter, TSDBROW *pRow, STSchema *pTSchema) {
  int32_t code = 0;

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  pIter->pRow = pRow;
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  if (pRow->type == TSDBROW_ROW_FMT) {
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    code = tRowIterOpen(pRow->pTSRow, pTSchema, &pIter->pIter);
    if (code) goto _exit;
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  } else if (pRow->type == TSDBROW_COL_FMT) {
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605
    pIter->iColData = 0;
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  } else {
    ASSERT(0);
  }
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_exit:
  return code;
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}

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614
void tsdbRowClose(STSDBRowIter *pIter) {
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615
  if (pIter->pRow->type == TSDBROW_ROW_FMT) {
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    tRowIterClose(&pIter->pIter);
  }
}
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SColVal *tsdbRowIterNext(STSDBRowIter *pIter) {
  if (pIter->pRow->type == TSDBROW_ROW_FMT) {
    return tRowIterNext(pIter->pIter);
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  } else if (pIter->pRow->type == TSDBROW_COL_FMT) {
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    if (pIter->iColData == 0) {
      pIter->cv = COL_VAL_VALUE(PRIMARYKEY_TIMESTAMP_COL_ID, TSDB_DATA_TYPE_TIMESTAMP,
                                (SValue){.val = pIter->pRow->pBlockData->aTSKEY[pIter->pRow->iRow]});
      ++pIter->iColData;
      return &pIter->cv;
    }
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    if (pIter->iColData < pIter->pRow->pBlockData->nColData) {
      tColDataGetValue(&pIter->pRow->pBlockData->aColData[pIter->iColData], pIter->pRow->iRow, &pIter->cv);
      ++pIter->iColData;
      return &pIter->cv;
    } else {
      return NULL;
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637
    }
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  } else {
    ASSERT(0);
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640
    return NULL;  // suppress error report by compiler
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  }
}

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// SRowMerger ======================================================
645

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int32_t tsdbRowMergerInit2(SRowMerger *pMerger, STSchema *pResTSchema, TSDBROW *pRow, STSchema *pTSchema) {
647 648 649 650
  int32_t   code = 0;
  TSDBKEY   key = TSDBROW_KEY(pRow);
  SColVal  *pColVal = &(SColVal){0};
  STColumn *pTColumn;
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  int32_t   iCol, jCol = 0;
652 653 654 655 656 657 658 659 660 661 662

  pMerger->pTSchema = pResTSchema;
  pMerger->version = key.version;

  pMerger->pArray = taosArrayInit(pResTSchema->numOfCols, sizeof(SColVal));
  if (pMerger->pArray == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    goto _exit;
  }

  // ts
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  pTColumn = &pTSchema->columns[jCol++];
664 665 666

  ASSERT(pTColumn->type == TSDB_DATA_TYPE_TIMESTAMP);

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  *pColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = key.ts});
668 669 670 671 672 673
  if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    goto _exit;
  }

  // other
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  for (iCol = 1; jCol < pTSchema->numOfCols && iCol < pResTSchema->numOfCols; ++iCol) {
675
    pTColumn = &pResTSchema->columns[iCol];
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    if (pTSchema->columns[jCol].colId < pTColumn->colId) {
      ++jCol;
      --iCol;
      continue;
    } else if (pTSchema->columns[jCol].colId > pTColumn->colId) {
681 682 683 684
      taosArrayPush(pMerger->pArray, &COL_VAL_NONE(pTColumn->colId, pTColumn->type));
      continue;
    }

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    tsdbRowGetColVal(pRow, pTSchema, jCol++, pColVal);
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    if ((!COL_VAL_IS_NONE(pColVal)) && (!COL_VAL_IS_NULL(pColVal)) && IS_VAR_DATA_TYPE(pColVal->type)) {
687
      uint8_t *pVal = pColVal->value.pData;
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689 690 691
      pColVal->value.pData = NULL;
      code = tRealloc(&pColVal->value.pData, pColVal->value.nData);
      if (code) goto _exit;
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      if (pColVal->value.nData) {
        memcpy(pColVal->value.pData, pVal, pColVal->value.nData);
      }
696 697
    }

698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
    if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }
  }

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

_exit:
  return code;
}

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int32_t tsdbRowMergerAdd(SRowMerger *pMerger, TSDBROW *pRow, STSchema *pTSchema) {
714 715 716 717
  int32_t   code = 0;
  TSDBKEY   key = TSDBROW_KEY(pRow);
  SColVal  *pColVal = &(SColVal){0};
  STColumn *pTColumn;
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  int32_t   iCol, jCol = 1;
719

H
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  ASSERT(((SColVal *)pMerger->pArray->pData)->value.val == key.ts);
721

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  for (iCol = 1; iCol < pMerger->pTSchema->numOfCols && jCol < pTSchema->numOfCols; ++iCol) {
723
    pTColumn = &pMerger->pTSchema->columns[iCol];
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    if (pTSchema->columns[jCol].colId < pTColumn->colId) {
      ++jCol;
      --iCol;
      continue;
    } else if (pTSchema->columns[jCol].colId > pTColumn->colId) {
729 730 731
      continue;
    }

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    tsdbRowGetColVal(pRow, pTSchema, jCol++, pColVal);
733 734

    if (key.version > pMerger->version) {
K
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#if 0
H
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      if (!COL_VAL_IS_NONE(pColVal)) {
D
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        if ((!COL_VAL_IS_NULL(pColVal)) && IS_VAR_DATA_TYPE(pColVal->type)) {
738 739 740
          SColVal *tColVal = taosArrayGet(pMerger->pArray, iCol);
          code = tRealloc(&tColVal->value.pData, pColVal->value.nData);
          if (code) return code;
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          tColVal->value.nData = pColVal->value.nData;
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          if (pColVal->value.nData) {
            memcpy(tColVal->value.pData, pColVal->value.pData, pColVal->value.nData);
          }
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          tColVal->flag = 0;
747 748 749
        } else {
          taosArraySet(pMerger->pArray, iCol, pColVal);
        }
750
      }
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#endif
      if (!COL_VAL_IS_NONE(pColVal)) {
        if (IS_VAR_DATA_TYPE(pColVal->type)) {
          SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
          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) {
H
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              memcpy(pTColVal->value.pData, pColVal->value.pData, pTColVal->value.nData);
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            }
            pTColVal->flag = 0;
          } else {
            tFree(pTColVal->value.pData);
            pTColVal->value.pData = NULL;
            taosArraySet(pMerger->pArray, iCol, pColVal);
          }
        } else {
770 771
          taosArraySet(pMerger->pArray, iCol, pColVal);
        }
772 773 774
      }
    } else if (key.version < pMerger->version) {
      SColVal *tColVal = (SColVal *)taosArrayGet(pMerger->pArray, iCol);
H
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      if (COL_VAL_IS_NONE(tColVal) && !COL_VAL_IS_NONE(pColVal)) {
D
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776
        if ((!COL_VAL_IS_NULL(pColVal)) && IS_VAR_DATA_TYPE(pColVal->type)) {
777 778
          code = tRealloc(&tColVal->value.pData, pColVal->value.nData);
          if (code) return code;
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          tColVal->value.nData = pColVal->value.nData;
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          if (pColVal->value.nData) {
            memcpy(tColVal->value.pData, pColVal->value.pData, pColVal->value.nData);
          }
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          tColVal->flag = 0;
785 786 787
        } else {
          taosArraySet(pMerger->pArray, iCol, pColVal);
        }
788 789
      }
    } else {
790
      ASSERT(0 && "dup versions not allowed");
791 792 793 794 795 796 797
    }
  }

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

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int32_t tsdbRowMergerInit(SRowMerger *pMerger, TSDBROW *pRow, STSchema *pTSchema) {
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  int32_t   code = 0;
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  TSDBKEY   key = TSDBROW_KEY(pRow);
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  SColVal  *pColVal = &(SColVal){0};
  STColumn *pTColumn;

  pMerger->pTSchema = pTSchema;
  pMerger->version = key.version;

  pMerger->pArray = taosArrayInit(pTSchema->numOfCols, sizeof(SColVal));
  if (pMerger->pArray == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    goto _exit;
  }

  // ts
  pTColumn = &pTSchema->columns[0];

  ASSERT(pTColumn->type == TSDB_DATA_TYPE_TIMESTAMP);

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  *pColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = key.ts});
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  if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    goto _exit;
  }

  // other
  for (int16_t iCol = 1; iCol < pTSchema->numOfCols; iCol++) {
    tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal);
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    if ((!COL_VAL_IS_NONE(pColVal)) && (!COL_VAL_IS_NULL(pColVal)) && IS_VAR_DATA_TYPE(pColVal->type)) {
828
      uint8_t *pVal = pColVal->value.pData;
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830 831 832
      pColVal->value.pData = NULL;
      code = tRealloc(&pColVal->value.pData, pColVal->value.nData);
      if (code) goto _exit;
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      if (pColVal->value.nData) {
        memcpy(pColVal->value.pData, pVal, pColVal->value.nData);
      }
837
    }
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    if (taosArrayPush(pMerger->pArray, pColVal) == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }
  }

_exit:
  return code;
}

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void tsdbRowMergerClear(SRowMerger *pMerger) {
850 851 852 853
  for (int32_t iCol = 1; iCol < pMerger->pTSchema->numOfCols; iCol++) {
    SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
    if (IS_VAR_DATA_TYPE(pTColVal->type)) {
      tFree(pTColVal->value.pData);
854 855 856
    }
  }

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  taosArrayDestroy(pMerger->pArray);
858
}
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int32_t tsdbRowMerge(SRowMerger *pMerger, TSDBROW *pRow) {
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  int32_t  code = 0;
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  TSDBKEY  key = TSDBROW_KEY(pRow);
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  SColVal *pColVal = &(SColVal){0};

H
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  ASSERT(((SColVal *)pMerger->pArray->pData)->value.val == key.ts);
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  for (int32_t iCol = 1; iCol < pMerger->pTSchema->numOfCols; iCol++) {
    tsdbRowGetColVal(pRow, pMerger->pTSchema, iCol, pColVal);

    if (key.version > pMerger->version) {
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      if (!COL_VAL_IS_NONE(pColVal)) {
872 873
        if (IS_VAR_DATA_TYPE(pColVal->type)) {
          SColVal *pTColVal = taosArrayGet(pMerger->pArray, iCol);
874 875 876 877 878
          if (!COL_VAL_IS_NULL(pColVal)) {
            code = tRealloc(&pTColVal->value.pData, pColVal->value.nData);
            if (code) goto _exit;

            pTColVal->value.nData = pColVal->value.nData;
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            if (pTColVal->value.nData) {
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              memcpy(pTColVal->value.pData, pColVal->value.pData, pTColVal->value.nData);
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            }
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            pTColVal->flag = 0;
883 884 885 886 887
          } else {
            tFree(pTColVal->value.pData);
            pTColVal->value.pData = NULL;
            taosArraySet(pMerger->pArray, iCol, pColVal);
          }
888 889 890
        } else {
          taosArraySet(pMerger->pArray, iCol, pColVal);
        }
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      }
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    } else if (key.version < pMerger->version) {
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      SColVal *tColVal = (SColVal *)taosArrayGet(pMerger->pArray, iCol);
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      if (COL_VAL_IS_NONE(tColVal) && !COL_VAL_IS_NONE(pColVal)) {
895 896 897 898 899 900
        if (IS_VAR_DATA_TYPE(pColVal->type)) {
          if (!COL_VAL_IS_NULL(pColVal)) {
            code = tRealloc(&tColVal->value.pData, pColVal->value.nData);
            if (code) goto _exit;

            tColVal->value.nData = pColVal->value.nData;
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            if (tColVal->value.nData) {
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              memcpy(tColVal->value.pData, pColVal->value.pData, tColVal->value.nData);
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            }
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            tColVal->flag = 0;
905 906 907 908 909 910 911 912
          } else {
            tFree(tColVal->value.pData);
            tColVal->value.pData = NULL;
            taosArraySet(pMerger->pArray, iCol, pColVal);
          }
        } else {
          taosArraySet(pMerger->pArray, iCol, pColVal);
        }
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      }
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    } else {
      ASSERT(0);
    }
  }

  pMerger->version = key.version;

_exit:
  return code;
}

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int32_t tsdbRowMergerGetRow(SRowMerger *pMerger, SRow **ppRow) {
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  return tRowBuild(pMerger->pArray, pMerger->pTSchema, ppRow);
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}

929
/*
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// delete skyline ======================================================
931
static int32_t tsdbMergeSkyline2(SArray *aSkyline1, SArray *aSkyline2, SArray *aSkyline) {
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  int32_t  code = 0;
  int32_t  i1 = 0;
  int32_t  n1 = taosArrayGetSize(aSkyline1);
  int32_t  i2 = 0;
  int32_t  n2 = taosArrayGetSize(aSkyline2);
  TSDBKEY *pSkyline1;
  TSDBKEY *pSkyline2;
  TSDBKEY  item;
  int64_t  version1 = 0;
  int64_t  version2 = 0;

  ASSERT(n1 > 0 && n2 > 0);

  taosArrayClear(aSkyline);

  while (i1 < n1 && i2 < n2) {
    pSkyline1 = (TSDBKEY *)taosArrayGet(aSkyline1, i1);
    pSkyline2 = (TSDBKEY *)taosArrayGet(aSkyline2, i2);

    if (pSkyline1->ts < pSkyline2->ts) {
      version1 = pSkyline1->version;
      i1++;
    } else if (pSkyline1->ts > pSkyline2->ts) {
      version2 = pSkyline2->version;
      i2++;
    } else {
      version1 = pSkyline1->version;
      version2 = pSkyline2->version;
      i1++;
      i2++;
    }

    item.ts = TMIN(pSkyline1->ts, pSkyline2->ts);
    item.version = TMAX(version1, version2);
    if (taosArrayPush(aSkyline, &item) == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }
  }

  while (i1 < n1) {
    pSkyline1 = (TSDBKEY *)taosArrayGet(aSkyline1, i1);
    item.ts = pSkyline1->ts;
    item.version = pSkyline1->version;
    if (taosArrayPush(aSkyline, &item) == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }
    i1++;
  }

  while (i2 < n2) {
    pSkyline2 = (TSDBKEY *)taosArrayGet(aSkyline2, i2);
    item.ts = pSkyline2->ts;
    item.version = pSkyline2->version;
    if (taosArrayPush(aSkyline, &item) == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }
    i2++;
  }

_exit:
  return code;
}
997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065
*/

// delete skyline ======================================================
static int32_t tsdbMergeSkyline(SArray *pSkyline1, SArray *pSkyline2, SArray *pSkyline) {
  int32_t  code = 0;
  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;

  ASSERT(n1 > 0 && n2 > 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++;
  }

  taosArraySetSize(pSkyline, TARRAY_ELEM_IDX(pSkyline, pItem));

_exit:
  return code;
}

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

  taosArrayClear(pSkyline);
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  if (sidx == eidx) {
1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098
    TSDBKEY *pItem1 = taosArrayGet(aSkyline, sidx * 2);
    TSDBKEY *pItem2 = taosArrayGet(aSkyline, sidx * 2 + 1);
    taosArrayPush(pSkyline, &pItem1);
    taosArrayPush(pSkyline, &pItem2);
  } else {
    SArray *pSkyline1 = NULL;
    SArray *pSkyline2 = NULL;
    midx = (sidx + eidx) / 2;

    pSkyline1 = taosArrayInit((midx - sidx + 1) * 2, POINTER_BYTES);
    pSkyline2 = taosArrayInit((eidx - midx) * 2, POINTER_BYTES);
    if (pSkyline1 == NULL || pSkyline1 == NULL) {
      code = TSDB_CODE_OUT_OF_MEMORY;
      goto _clear;
    }

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

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

    code = tsdbMergeSkyline(pSkyline1, pSkyline2, pSkyline);

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

  return code;
}

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int32_t tsdbBuildDeleteSkyline(SArray *aDelData, int32_t sidx, int32_t eidx, SArray *aSkyline) {
1100
  SDelData *pDelData;
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  int32_t   code = 0;
  int32_t   dataNum = eidx - sidx + 1;
  SArray   *aTmpSkyline = taosArrayInit(dataNum * 2, sizeof(TSDBKEY));
  SArray   *pSkyline = taosArrayInit(dataNum * 2, POINTER_BYTES);

1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
  for (int32_t i = sidx; i <= eidx; ++i) {
    pDelData = (SDelData *)taosArrayGet(aDelData, i);
    taosArrayPush(aTmpSkyline, &(TSDBKEY){.ts = pDelData->sKey, .version = pDelData->version});
    taosArrayPush(aTmpSkyline, &(TSDBKEY){.ts = pDelData->eKey, .version = 0});
  }

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

  int32_t skylineNum = taosArrayGetSize(pSkyline);
  for (int32_t i = 0; i < skylineNum; ++i) {
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    TSDBKEY *p = taosArrayGetP(pSkyline, i);
    taosArrayPush(aSkyline, p);
1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129
  }

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

  return code;
}

/*
int32_t tsdbBuildDeleteSkyline2(SArray *aDelData, int32_t sidx, int32_t eidx, SArray *aSkyline) {
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  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);
  }

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  return code;
}
1166
*/
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// SBlockData ======================================================
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int32_t tBlockDataCreate(SBlockData *pBlockData) {
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  int32_t code = 0;
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  pBlockData->suid = 0;
  pBlockData->uid = 0;
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  pBlockData->nRow = 0;
H
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  pBlockData->aUid = NULL;
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  pBlockData->aVersion = NULL;
  pBlockData->aTSKEY = NULL;
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  pBlockData->nColData = 0;
H
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  pBlockData->aColData = NULL;
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_exit:
  return code;
}

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void tBlockDataDestroy(SBlockData *pBlockData) {
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1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
  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;
  }
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}

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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 = TSDB_CODE_OUT_OF_MEMORY;
      goto _exit;
    }

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

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

H
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1225
  ASSERT(pId->suid || pId->uid);
H
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H
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1227 1228
  pBlockData->suid = pId->suid;
  pBlockData->uid = pId->uid;
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1229
  pBlockData->nRow = 0;
H
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H
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  if (aCid) {
H
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1232 1233 1234
    code = tBlockDataAdjustColData(pBlockData, nCid);
    if (code) goto _exit;

H
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1235
    int32_t   iColumn = 1;
H
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1236
    STColumn *pTColumn = &pTSchema->columns[iColumn];
H
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1237
    for (int32_t iCid = 0; iCid < nCid; iCid++) {
H
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      ASSERT(pTColumn);
      while (pTColumn->colId < aCid[iCid]) {
H
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1240
        iColumn++;
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1241 1242
        ASSERT(iColumn < pTSchema->numOfCols);
        pTColumn = &pTSchema->columns[iColumn];
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1243
      }
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      ASSERT(pTColumn->colId == aCid[iCid]);
      tColDataInit(&pBlockData->aColData[iCid], pTColumn->colId, pTColumn->type,
                   (pTColumn->flags & COL_SMA_ON) ? 1 : 0);
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H
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      iColumn++;
      pTColumn = (iColumn < pTSchema->numOfCols) ? &pTSchema->columns[iColumn] : NULL;
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    }
  } else {
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    code = tBlockDataAdjustColData(pBlockData, pTSchema->numOfCols - 1);
    if (code) goto _exit;
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    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 & COL_SMA_ON) ? 1 : 0);
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    }
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  }

_exit:
  return code;
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}

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void tBlockDataReset(SBlockData *pBlockData) {
  pBlockData->suid = 0;
  pBlockData->uid = 0;
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  pBlockData->nRow = 0;
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}

void tBlockDataClear(SBlockData *pBlockData) {
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  ASSERT(pBlockData->suid || pBlockData->uid);

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

  SColVal   cv = {0};
  int32_t   iColDataFrom = 0;
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  SColData *pColDataFrom = (iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;
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  for (int32_t iColDataTo = 0; iColDataTo < pBlockData->nColData; iColDataTo++) {
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    SColData *pColDataTo = &pBlockData->aColData[iColDataTo];
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    while (pColDataFrom && pColDataFrom->cid < pColDataTo->cid) {
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      pColDataFrom = (++iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;
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    }

    if (pColDataFrom == NULL || pColDataFrom->cid > pColDataTo->cid) {
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      cv = COL_VAL_NONE(pColDataTo->cid, pColDataTo->type);
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1303
      if (flag == 0 && (code = tColDataAppendValue(pColDataTo, &cv))) goto _exit;
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    } else {
      tColDataGetValue(pColDataFrom, iRow, &cv);

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

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1314
      pColDataFrom = (++iColDataFrom < pBlockDataFrom->nColData) ? &pBlockDataFrom->aColData[iColDataFrom] : NULL;
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    }
  }

_exit:
  return code;
}

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int32_t tBlockDataAppendRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTSchema, int64_t uid) {
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  int32_t code = 0;
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1324

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  ASSERT(pBlockData->suid || pBlockData->uid);

  // uid
  if (pBlockData->uid == 0) {
    ASSERT(uid);
    code = tRealloc((uint8_t **)&pBlockData->aUid, sizeof(int64_t) * (pBlockData->nRow + 1));
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    if (code) goto _exit;
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    pBlockData->aUid[pBlockData->nRow] = uid;
  }
  // version
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  code = tRealloc((uint8_t **)&pBlockData->aVersion, sizeof(int64_t) * (pBlockData->nRow + 1));
H
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  if (code) goto _exit;
H
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  pBlockData->aVersion[pBlockData->nRow] = TSDBROW_VERSION(pRow);
  // timestamp
H
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  code = tRealloc((uint8_t **)&pBlockData->aTSKEY, sizeof(TSKEY) * (pBlockData->nRow + 1));
H
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1340
  if (code) goto _exit;
H
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1341
  pBlockData->aTSKEY[pBlockData->nRow] = TSDBROW_TS(pRow);
H
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1342

H
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1343
  if (pRow->type == TSDBROW_ROW_FMT) {
H
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    code = tRowUpsertColData(pRow->pTSRow, pTSchema, pBlockData->aColData, pBlockData->nColData, 0 /* append */);
H
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1345
    if (code) goto _exit;
H
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  } else if (pRow->type == TSDBROW_COL_FMT) {
H
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1347
    code = tBlockDataUpsertBlockRow(pBlockData, pRow->pBlockData, pRow->iRow, 0 /* append */);
H
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1348
    if (code) goto _exit;
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  } else {
    ASSERT(0);
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1351
  }
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  pBlockData->nRow++;
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_exit:
H
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1355
  return code;
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}
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static 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);
  ASSERT(lversion != rversion);
  if (rversion > lversion) {
    pBlockData->aVersion[pBlockData->nRow - 1] = rversion;
  }
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  // 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 {
    ASSERT(0);
  }

_exit:
  return code;
}

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

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int32_t tBlockDataUpsertRow(SBlockData *pBlockData, TSDBROW *pRow, STSchema *pTSchema, int64_t uid) {
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  if (pBlockData->nRow > 0 && pBlockData->aTSKEY[pBlockData->nRow - 1] == TSDBROW_TS(pRow)) {
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    return tBlockDataUpdateRow(pBlockData, pRow, pTSchema);
  } else {
    return tBlockDataAppendRow(pBlockData, pRow, pTSchema, uid);
  }
1400
}
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void tBlockDataGetColData(SBlockData *pBlockData, int16_t cid, SColData **ppColData) {
  ASSERT(cid != PRIMARYKEY_TIMESTAMP_COL_ID);
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  int32_t lidx = 0;
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  int32_t ridx = pBlockData->nColData - 1;
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1406

H
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  while (lidx <= ridx) {
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    int32_t   midx = (lidx + ridx) >> 1;
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    SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, midx);
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    int32_t   c = (pColData->cid == cid) ? 0 : ((pColData->cid > cid) ? 1 : -1);
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    if (c == 0) {
      *ppColData = pColData;
      return;
    } else if (c < 0) {
      lidx = midx + 1;
    } else {
      ridx = midx - 1;
    }
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  }
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  *ppColData = NULL;
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}

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int32_t tCmprBlockData(SBlockData *pBlockData, int8_t cmprAlg, uint8_t **ppOut, int32_t *szOut, uint8_t *aBuf[],
                       int32_t aBufN[]) {
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  int32_t code = 0;
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  SDiskDataHdr hdr = {.delimiter = TSDB_FILE_DLMT,
                      .fmtVer = 0,
                      .suid = pBlockData->suid,
                      .uid = pBlockData->uid,
                      .nRow = pBlockData->nRow,
                      .cmprAlg = cmprAlg};

  // encode =================
  // columns AND SBlockCol
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  aBufN[0] = 0;
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  for (int32_t iColData = 0; iColData < pBlockData->nColData; iColData++) {
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    SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, iColData);

    ASSERT(pColData->flag);

    if (pColData->flag == HAS_NONE) continue;

    SBlockCol blockCol = {.cid = pColData->cid,
                          .type = pColData->type,
                          .smaOn = pColData->smaOn,
                          .flag = pColData->flag,
                          .szOrigin = pColData->nData};

    if (pColData->flag != HAS_NULL) {
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      code = tsdbCmprColData(pColData, cmprAlg, &blockCol, &aBuf[0], aBufN[0], &aBuf[2]);
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      if (code) goto _exit;

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      blockCol.offset = aBufN[0];
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1457
      aBufN[0] = aBufN[0] + blockCol.szBitmap + blockCol.szOffset + blockCol.szValue;
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    }

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    code = tRealloc(&aBuf[1], hdr.szBlkCol + tPutBlockCol(NULL, &blockCol));
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1461
    if (code) goto _exit;
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    hdr.szBlkCol += tPutBlockCol(aBuf[1] + hdr.szBlkCol, &blockCol);
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  }
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  // SBlockCol
  aBufN[1] = hdr.szBlkCol;
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1467

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  // uid + version + tskey
H
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  aBufN[2] = 0;
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  if (pBlockData->uid == 0) {
    code = tsdbCmprData((uint8_t *)pBlockData->aUid, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT, cmprAlg,
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                        &aBuf[2], aBufN[2], &hdr.szUid, &aBuf[3]);
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    if (code) goto _exit;
H
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  }
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1475
  aBufN[2] += hdr.szUid;
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1476

H
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  code = tsdbCmprData((uint8_t *)pBlockData->aVersion, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT,
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                      cmprAlg, &aBuf[2], aBufN[2], &hdr.szVer, &aBuf[3]);
H
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1479
  if (code) goto _exit;
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  aBufN[2] += hdr.szVer;
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1481

H
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  code = tsdbCmprData((uint8_t *)pBlockData->aTSKEY, sizeof(TSKEY) * pBlockData->nRow, TSDB_DATA_TYPE_TIMESTAMP,
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                      cmprAlg, &aBuf[2], aBufN[2], &hdr.szKey, &aBuf[3]);
H
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  if (code) goto _exit;
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  aBufN[2] += hdr.szKey;
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1486

H
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  // hdr
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  aBufN[3] = tPutDiskDataHdr(NULL, &hdr);
  code = tRealloc(&aBuf[3], aBufN[3]);
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1490
  if (code) goto _exit;
H
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1491
  tPutDiskDataHdr(aBuf[3], &hdr);
H
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1492

H
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1493 1494
  // aggragate
  if (ppOut) {
H
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1495
    *szOut = aBufN[0] + aBufN[1] + aBufN[2] + aBufN[3];
H
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1496 1497
    code = tRealloc(ppOut, *szOut);
    if (code) goto _exit;
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1498

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1499 1500 1501 1502
    memcpy(*ppOut, aBuf[3], aBufN[3]);
    memcpy(*ppOut + aBufN[3], aBuf[2], aBufN[2]);
    if (aBufN[1]) {
      memcpy(*ppOut + aBufN[3] + aBufN[2], aBuf[1], aBufN[1]);
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1503
    }
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    if (aBufN[0]) {
      memcpy(*ppOut + aBufN[3] + aBufN[2] + aBufN[1], aBuf[0], aBufN[0]);
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1506
    }
H
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1507 1508
  }

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1509 1510 1511 1512
_exit:
  return code;
}

H
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1513
int32_t tDecmprBlockData(uint8_t *pIn, int32_t szIn, SBlockData *pBlockData, uint8_t *aBuf[]) {
H
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1514
  int32_t code = 0;
H
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1515

H
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1516
  tBlockDataReset(pBlockData);
H
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1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549

  int32_t      n = 0;
  SDiskDataHdr hdr = {0};

  // SDiskDataHdr
  n += tGetDiskDataHdr(pIn + n, &hdr);
  ASSERT(hdr.delimiter == TSDB_FILE_DLMT);

  pBlockData->suid = hdr.suid;
  pBlockData->uid = hdr.uid;
  pBlockData->nRow = hdr.nRow;

  // uid
  if (hdr.uid == 0) {
    ASSERT(hdr.szUid);
    code = tsdbDecmprData(pIn + n, hdr.szUid, TSDB_DATA_TYPE_BIGINT, hdr.cmprAlg, (uint8_t **)&pBlockData->aUid,
                          sizeof(int64_t) * hdr.nRow, &aBuf[0]);
    if (code) goto _exit;
  } else {
    ASSERT(!hdr.szUid);
  }
  n += hdr.szUid;

  // version
  code = tsdbDecmprData(pIn + n, hdr.szVer, TSDB_DATA_TYPE_BIGINT, hdr.cmprAlg, (uint8_t **)&pBlockData->aVersion,
                        sizeof(int64_t) * hdr.nRow, &aBuf[0]);
  if (code) goto _exit;
  n += hdr.szVer;

  // TSKEY
  code = tsdbDecmprData(pIn + n, hdr.szKey, TSDB_DATA_TYPE_TIMESTAMP, hdr.cmprAlg, (uint8_t **)&pBlockData->aTSKEY,
                        sizeof(TSKEY) * hdr.nRow, &aBuf[0]);
  if (code) goto _exit;
H
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1550
  n += hdr.szKey;
H
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1551 1552 1553 1554

  // loop to decode each column data
  if (hdr.szBlkCol == 0) goto _exit;

H
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1555
  int32_t nColData = 0;
H
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1556 1557 1558 1559
  int32_t nt = 0;
  while (nt < hdr.szBlkCol) {
    SBlockCol blockCol = {0};
    nt += tGetBlockCol(pIn + n + nt, &blockCol);
H
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1560 1561 1562
    ++nColData;
  }
  ASSERT(nt == hdr.szBlkCol);
H
Hongze Cheng 已提交
1563

H
Hongze Cheng 已提交
1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
  code = tBlockDataAdjustColData(pBlockData, nColData);
  if (code) goto _exit;

  nt = 0;
  int32_t iColData = 0;
  while (nt < hdr.szBlkCol) {
    SBlockCol blockCol = {0};
    nt += tGetBlockCol(pIn + n + nt, &blockCol);

    SColData *pColData = &pBlockData->aColData[iColData++];
H
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1574 1575 1576 1577 1578 1579 1580 1581

    tColDataInit(pColData, blockCol.cid, blockCol.type, blockCol.smaOn);
    if (blockCol.flag == HAS_NULL) {
      for (int32_t iRow = 0; iRow < hdr.nRow; iRow++) {
        code = tColDataAppendValue(pColData, &COL_VAL_NULL(blockCol.cid, blockCol.type));
        if (code) goto _exit;
      }
    } else {
H
Hongze Cheng 已提交
1582 1583
      code = tsdbDecmprColData(pIn + n + hdr.szBlkCol + blockCol.offset, &blockCol, hdr.cmprAlg, hdr.nRow, pColData,
                               &aBuf[0]);
H
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1584 1585 1586 1587 1588
      if (code) goto _exit;
    }
  }

_exit:
H
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1589
  return code;
H
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1590 1591
}

H
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1592
// SDiskDataHdr ==============================
H
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1593 1594
int32_t tPutDiskDataHdr(uint8_t *p, const SDiskDataHdr *pHdr) {
  int32_t n = 0;
H
Hongze Cheng 已提交
1595 1596

  n += tPutU32(p ? p + n : p, pHdr->delimiter);
H
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1597
  n += tPutU32v(p ? p + n : p, pHdr->fmtVer);
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1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
  n += tPutI64(p ? p + n : p, pHdr->suid);
  n += tPutI64(p ? p + n : p, pHdr->uid);
  n += tPutI32v(p ? p + n : p, pHdr->szUid);
  n += tPutI32v(p ? p + n : p, pHdr->szVer);
  n += tPutI32v(p ? p + n : p, pHdr->szKey);
  n += tPutI32v(p ? p + n : p, pHdr->szBlkCol);
  n += tPutI32v(p ? p + n : p, pHdr->nRow);
  n += tPutI8(p ? p + n : p, pHdr->cmprAlg);

  return n;
}

int32_t tGetDiskDataHdr(uint8_t *p, void *ph) {
  int32_t       n = 0;
  SDiskDataHdr *pHdr = (SDiskDataHdr *)ph;

  n += tGetU32(p + n, &pHdr->delimiter);
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1615
  n += tGetU32v(p + n, &pHdr->fmtVer);
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1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
  n += tGetI64(p + n, &pHdr->suid);
  n += tGetI64(p + n, &pHdr->uid);
  n += tGetI32v(p + n, &pHdr->szUid);
  n += tGetI32v(p + n, &pHdr->szVer);
  n += tGetI32v(p + n, &pHdr->szKey);
  n += tGetI32v(p + n, &pHdr->szBlkCol);
  n += tGetI32v(p + n, &pHdr->nRow);
  n += tGetI8(p + n, &pHdr->cmprAlg);

  return n;
}

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1628
// ALGORITHM ==============================
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1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652
int32_t tPutColumnDataAgg(uint8_t *p, SColumnDataAgg *pColAgg) {
  int32_t n = 0;

  n += tPutI16v(p ? p + n : p, pColAgg->colId);
  n += tPutI16v(p ? p + n : p, pColAgg->numOfNull);
  n += tPutI64(p ? p + n : p, pColAgg->sum);
  n += tPutI64(p ? p + n : p, pColAgg->max);
  n += tPutI64(p ? p + n : p, pColAgg->min);

  return n;
}

int32_t tGetColumnDataAgg(uint8_t *p, SColumnDataAgg *pColAgg) {
  int32_t n = 0;

  n += tGetI16v(p + n, &pColAgg->colId);
  n += tGetI16v(p + n, &pColAgg->numOfNull);
  n += tGetI64(p + n, &pColAgg->sum);
  n += tGetI64(p + n, &pColAgg->max);
  n += tGetI64(p + n, &pColAgg->min);

  return n;
}

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1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688
int32_t tsdbCmprData(uint8_t *pIn, int32_t szIn, int8_t type, int8_t cmprAlg, uint8_t **ppOut, int32_t nOut,
                     int32_t *szOut, uint8_t **ppBuf) {
  int32_t code = 0;

  ASSERT(szIn > 0 && ppOut);

  if (cmprAlg == NO_COMPRESSION) {
    code = tRealloc(ppOut, nOut + szIn);
    if (code) goto _exit;

    memcpy(*ppOut + nOut, pIn, szIn);
    *szOut = szIn;
  } else {
    int32_t size = szIn + COMP_OVERFLOW_BYTES;

    code = tRealloc(ppOut, nOut + size);
    if (code) goto _exit;

    if (cmprAlg == TWO_STAGE_COMP) {
      ASSERT(ppBuf);
      code = tRealloc(ppBuf, size);
      if (code) goto _exit;
    }

    *szOut =
        tDataTypes[type].compFunc(pIn, szIn, szIn / tDataTypes[type].bytes, *ppOut + nOut, size, cmprAlg, *ppBuf, size);
    if (*szOut <= 0) {
      code = TSDB_CODE_COMPRESS_ERROR;
      goto _exit;
    }
  }

_exit:
  return code;
}

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1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718
int32_t tsdbDecmprData(uint8_t *pIn, int32_t szIn, int8_t type, int8_t cmprAlg, uint8_t **ppOut, int32_t szOut,
                       uint8_t **ppBuf) {
  int32_t code = 0;

  code = tRealloc(ppOut, szOut);
  if (code) goto _exit;

  if (cmprAlg == NO_COMPRESSION) {
    ASSERT(szIn == szOut);
    memcpy(*ppOut, pIn, szOut);
  } else {
    if (cmprAlg == TWO_STAGE_COMP) {
      code = tRealloc(ppBuf, szOut + COMP_OVERFLOW_BYTES);
      if (code) goto _exit;
    }

    int32_t size = tDataTypes[type].decompFunc(pIn, szIn, szOut / tDataTypes[type].bytes, *ppOut, szOut, cmprAlg,
                                               *ppBuf, szOut + COMP_OVERFLOW_BYTES);
    if (size <= 0) {
      code = TSDB_CODE_COMPRESS_ERROR;
      goto _exit;
    }

    ASSERT(size == szOut);
  }

_exit:
  return code;
}

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int32_t tsdbCmprColData(SColData *pColData, int8_t cmprAlg, SBlockCol *pBlockCol, uint8_t **ppOut, int32_t nOut,
H
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1720
                        uint8_t **ppBuf) {
H
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1721 1722
  int32_t code = 0;

H
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1723 1724
  ASSERT(pColData->flag && (pColData->flag != HAS_NONE) && (pColData->flag != HAS_NULL));

H
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1725 1726 1727 1728 1729
  pBlockCol->szBitmap = 0;
  pBlockCol->szOffset = 0;
  pBlockCol->szValue = 0;

  int32_t size = 0;
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  // bitmap
  if (pColData->flag != HAS_VALUE) {
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    int32_t szBitMap;
    if (pColData->flag == (HAS_VALUE | HAS_NULL | HAS_NONE)) {
      szBitMap = BIT2_SIZE(pColData->nVal);
    } else {
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      szBitMap = BIT1_SIZE(pColData->nVal);
    }

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    code = tsdbCmprData(pColData->pBitMap, szBitMap, TSDB_DATA_TYPE_TINYINT, cmprAlg, ppOut, nOut + size,
                        &pBlockCol->szBitmap, ppBuf);
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    if (code) goto _exit;
  }
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  size += pBlockCol->szBitmap;
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  // offset
1746
  if (IS_VAR_DATA_TYPE(pColData->type) && pColData->flag != (HAS_NULL | HAS_NONE)) {
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    code = tsdbCmprData((uint8_t *)pColData->aOffset, sizeof(int32_t) * pColData->nVal, TSDB_DATA_TYPE_INT, cmprAlg,
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                        ppOut, nOut + size, &pBlockCol->szOffset, ppBuf);
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    if (code) goto _exit;
  }
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  size += pBlockCol->szOffset;
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  // value
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  if ((pColData->flag != (HAS_NULL | HAS_NONE)) && pColData->nData) {
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    code = tsdbCmprData((uint8_t *)pColData->pData, pColData->nData, pColData->type, cmprAlg, ppOut, nOut + size,
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                        &pBlockCol->szValue, ppBuf);
    if (code) goto _exit;
  }
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  size += pBlockCol->szValue;
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_exit:
  return code;
}
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int32_t tsdbDecmprColData(uint8_t *pIn, SBlockCol *pBlockCol, int8_t cmprAlg, int32_t nVal, SColData *pColData,
                          uint8_t **ppBuf) {
  int32_t code = 0;

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  ASSERT(pColData->cid == pBlockCol->cid);
  ASSERT(pColData->type == pBlockCol->type);
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  pColData->smaOn = pBlockCol->smaOn;
  pColData->flag = pBlockCol->flag;
  pColData->nVal = nVal;
  pColData->nData = pBlockCol->szOrigin;

  uint8_t *p = pIn;
  // bitmap
  if (pBlockCol->szBitmap) {
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    int32_t szBitMap;
    if (pColData->flag == (HAS_VALUE | HAS_NULL | HAS_NONE)) {
      szBitMap = BIT2_SIZE(pColData->nVal);
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    } else {
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      szBitMap = BIT1_SIZE(pColData->nVal);
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    }
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    code = tsdbDecmprData(p, pBlockCol->szBitmap, TSDB_DATA_TYPE_TINYINT, cmprAlg, &pColData->pBitMap, szBitMap, ppBuf);
    if (code) goto _exit;
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  }
  p += pBlockCol->szBitmap;

  // offset
  if (pBlockCol->szOffset) {
    code = tsdbDecmprData(p, pBlockCol->szOffset, TSDB_DATA_TYPE_INT, cmprAlg, (uint8_t **)&pColData->aOffset,
                          sizeof(int32_t) * pColData->nVal, ppBuf);
    if (code) goto _exit;
  }
  p += pBlockCol->szOffset;

  // value
  if (pBlockCol->szValue) {
    code = tsdbDecmprData(p, pBlockCol->szValue, pColData->type, cmprAlg, &pColData->pData, pColData->nData, ppBuf);
    if (code) goto _exit;
  }
  p += pBlockCol->szValue;

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_exit:
  return code;
}