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This commit is contained in:
Hongze Cheng 2022-06-08 07:23:24 +00:00
parent 705310a901
commit 1c3e3db167
5 changed files with 170 additions and 618 deletions
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2
source/dnode/vnode/CMakeLists.txt
View File

@ -36,12 +36,10 @@ target_sources(
# tsdb
"src/tsdb/tsdbCommit.c"
# "src/tsdb/tsdbCommit2.c"
"src/tsdb/tsdbFile.c"
"src/tsdb/tsdbFS.c"
"src/tsdb/tsdbOpen.c"
"src/tsdb/tsdbMemTable.c"
# "src/tsdb/tsdbMemTable2.c"
"src/tsdb/tsdbRead.c"
"src/tsdb/tsdbReadImpl.c"
"src/tsdb/tsdbWrite.c"

3
source/dnode/vnode/src/inc/tsdb.h
View File

@ -58,9 +58,6 @@ void tsdbTbDataIterOpen(STbData *pTbData, TSDBKEY *pFrom, int8_t backward, ST
bool tsdbTbDataIterNext(STbDataIter *pIter);
bool tsdbTbDataIterGet(STbDataIter *pIter, TSDBROW *pRow);
int tsdbLoadDataFromCache(STsdb *pTsdb, STable *pTable, STbDataIter *pIter, TSKEY maxKey, int maxRowsToRead,
SDataCols *pCols, TKEY *filterKeys, int nFilterKeys, bool keepDup, SMergeInfo *pMergeInfo);
// tsdbFile.c ==============================================================================================
typedef int32_t TSDB_FILE_T;
typedef struct SDFInfo SDFInfo;

170
source/dnode/vnode/src/tsdb/tsdbCommit.c
View File

@ -93,6 +93,9 @@ static void tsdbLoadAndMergeFromCache(STsdb *pTsdb, SDataCols *pDataCols, int *i
SDataCols *pTarget, TSKEY maxKey, int maxRows, int8_t update);
static int tsdbWriteBlockIdx(SDFile *pHeadf, SArray *pIdxA, void **ppBuf);
static int tsdbApplyRtnOnFSet(STsdb *pRepo, SDFileSet *pSet, SRtn *pRtn);
static int tsdbLoadDataFromCache(STsdb *pTsdb, STable *pTable, STbDataIter *pIter, TSKEY maxKey, int maxRowsToRead,
SDataCols *pCols, TKEY *filterKeys, int nFilterKeys, bool keepDup,
SMergeInfo *pMergeInfo);
int32_t tsdbBegin(STsdb *pTsdb) {
if (!pTsdb) return 0;
@ -1658,4 +1661,171 @@ static bool tsdbCanAddSubBlock(SCommitH *pCommith, SBlock *pBlock, SMergeInfo *p
}
return false;
}
static int tsdbAppendTableRowToCols(STsdb *pTsdb, STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row,
bool merge) {
if (pCols) {
if (*ppSchema == NULL || schemaVersion(*ppSchema) != TD_ROW_SVER(row)) {
*ppSchema = tsdbGetTableSchemaImpl(pTsdb, pTable, false, false, TD_ROW_SVER(row));
if (*ppSchema == NULL) {
ASSERT(false);
return -1;
}
}
tdAppendSTSRowToDataCol(row, *ppSchema, pCols, merge);
}
return 0;
}
static int tsdbLoadDataFromCache(STsdb *pTsdb, STable *pTable, STbDataIter *pIter, TSKEY maxKey, int maxRowsToRead,
SDataCols *pCols, TKEY *filterKeys, int nFilterKeys, bool keepDup,
SMergeInfo *pMergeInfo) {
ASSERT(maxRowsToRead > 0 && nFilterKeys >= 0);
if (pIter == NULL) return 0;
STSchema *pSchema = NULL;
TSKEY rowKey = 0;
TSKEY fKey = 0;
// only fetch lastKey from mem data as file data not used in this function actually
TSKEY lastKey = TSKEY_INITIAL_VAL;
bool isRowDel = false;
int filterIter = 0;
STSRow *row = NULL;
SMergeInfo mInfo;
// TODO: support Multi-Version(the rows with the same TS keys in memory can't be merged if its version refered by
// query handle)
if (pMergeInfo == NULL) pMergeInfo = &mInfo;
memset(pMergeInfo, 0, sizeof(*pMergeInfo));
pMergeInfo->keyFirst = INT64_MAX;
pMergeInfo->keyLast = INT64_MIN;
if (pCols) tdResetDataCols(pCols);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
// 1. fkey - no dup since merged up to maxVersion of each query handle by tsdbLoadBlockDataCols
// 2. rowKey - would dup since Multi-Version supported
while (true) {
if (fKey == INT64_MAX && rowKey == INT64_MAX) break;
if (fKey < rowKey) {
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, fKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, fKey);
filterIter++;
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
#if 1
} else if (fKey > rowKey) {
if (isRowDel) {
// TODO: support delete function
pMergeInfo->rowsDeleteFailed++;
} else {
if (pMergeInfo->rowsInserted - pMergeInfo->rowsDeleteSucceed >= maxRowsToRead) break;
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsInserted++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
if (pCols) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
}
lastKey = rowKey;
} else {
if (keepDup) {
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, true);
} else {
// discard
}
}
}
tsdbTbDataIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
} else { // fkey == rowKey
if (isRowDel) { // TODO: support delete function(How to stands for delete in file? rowVersion = -1?)
ASSERT(!keepDup);
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
pMergeInfo->rowsDeleteSucceed++;
pMergeInfo->nOperations++;
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
} else {
if (keepDup) {
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsUpdated++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
if (pCols) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
}
lastKey = rowKey;
} else {
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, true);
}
} else {
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, fKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, fKey);
}
}
tsdbTbDataIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
filterIter++;
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
}
#endif
}
if (pCols && (lastKey != TSKEY_INITIAL_VAL)) {
++pCols->numOfRows;
}
return 0;
}

436
source/dnode/vnode/src/tsdb/tsdbCommit2.c
View File

@ -1,436 +0,0 @@
/*
* 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 "tsdb.h"
typedef struct {
SMemTable2 *pMemTable;
int32_t minutes;
int8_t precision;
TSKEY nCommitKey;
int32_t fid;
TSKEY minKey;
TSKEY maxKey;
SReadH readh;
SDFileSet wSet;
SArray *aBlkIdx;
SArray *aSupBlk;
SArray *aSubBlk;
SArray *aDelInfo;
} SCommitH;
static int32_t tsdbCommitStart(SCommitH *pCHandle, STsdb *pTsdb);
static int32_t tsdbCommitEnd(SCommitH *pCHandle);
static int32_t tsdbCommitImpl(SCommitH *pCHandle);
int32_t tsdbBegin2(STsdb *pTsdb) {
int32_t code = 0;
ASSERT(pTsdb->mem == NULL);
code = tsdbMemTableCreate2(pTsdb, (SMemTable2 **)&pTsdb->mem);
if (code) {
tsdbError("vgId:%d failed to begin TSDB since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
goto _exit;
}
_exit:
return code;
}
int32_t tsdbCommit2(STsdb *pTsdb) {
int32_t code = 0;
SCommitH ch = {0};
// start to commit
code = tsdbCommitStart(&ch, pTsdb);
if (code) {
goto _exit;
}
// commit
code = tsdbCommitImpl(&ch);
if (code) {
goto _err;
}
// end commit
code = tsdbCommitEnd(&ch);
if (code) {
goto _exit;
}
_exit:
return code;
_err:
tsdbError("vgId:%d failed to commit since %s", TD_VID(pTsdb->pVnode), tstrerror(code));
return code;
}
static int32_t tsdbCommitStart(SCommitH *pCHandle, STsdb *pTsdb) {
int32_t code = 0;
SMemTable2 *pMemTable = (SMemTable2 *)pTsdb->mem;
tsdbInfo("vgId:%d start to commit", TD_VID(pTsdb->pVnode));
// switch to commit
ASSERT(pTsdb->imem == NULL && pTsdb->mem);
pTsdb->imem = pTsdb->mem;
pTsdb->mem = NULL;
// open handle
pCHandle->pMemTable = pMemTable;
pCHandle->minutes = pTsdb->keepCfg.days;
pCHandle->precision = pTsdb->keepCfg.precision;
pCHandle->nCommitKey = pMemTable->minKey.ts;
code = tsdbInitReadH(&pCHandle->readh, pTsdb);
if (code) {
goto _err;
}
pCHandle->aBlkIdx = taosArrayInit(0, sizeof(SBlockIdx));
if (pCHandle->aBlkIdx == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pCHandle->aSupBlk = taosArrayInit(0, sizeof(SBlock));
if (pCHandle->aSupBlk == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pCHandle->aSubBlk = taosArrayInit(0, sizeof(SBlock));
if (pCHandle->aSubBlk == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pCHandle->aDelInfo = taosArrayInit(0, sizeof(SDelInfo));
if (pCHandle->aDelInfo == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
// start FS transaction
tsdbStartFSTxn(pTsdb, 0, 0);
return code;
_err:
return code;
}
static int32_t tsdbCommitEnd(SCommitH *pCHandle) {
int32_t code = 0;
STsdb *pTsdb = pCHandle->pMemTable->pTsdb;
SMemTable2 *pMemTable = (SMemTable2 *)pTsdb->imem;
// end transaction
code = tsdbEndFSTxn(pTsdb);
if (code) {
goto _err;
}
// close handle
taosArrayClear(pCHandle->aDelInfo);
taosArrayClear(pCHandle->aSubBlk);
taosArrayClear(pCHandle->aSupBlk);
taosArrayClear(pCHandle->aBlkIdx);
tsdbDestroyReadH(&pCHandle->readh);
// destroy memtable (todo: unref it)
pTsdb->imem = NULL;
tsdbMemTableDestroy2(pMemTable);
tsdbInfo("vgId:%d commit over", TD_VID(pTsdb->pVnode));
return code;
_err:
return code;
}
static int32_t tsdbCommitTableStart(SCommitH *pCHandle) {
int32_t code = 0;
// TODO
return code;
}
static int32_t tsdbCommitTableEnd(SCommitH *pCHandle) {
int32_t code = 0;
// TODO
return code;
}
static int32_t tsdbCommitTable(SCommitH *pCHandle, SMemData *pMemData, SBlockIdx *pBlockIdx) {
int32_t code = 0;
SMemDataIter iter = {0};
// commit table start
code = tsdbCommitTableStart(pCHandle);
if (code) {
goto _err;
}
// commit table impl
if (pMemData && pBlockIdx) {
// TODO
} else if (pMemData) {
// TODO
} else {
// TODO
}
// commit table end
code = tsdbCommitTableEnd(pCHandle);
if (code) {
goto _err;
}
return code;
_err:
return code;
}
static int32_t tsdbTableIdCmprFn(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;
}
static int32_t tsdbWriteBlockIdx(SDFile *pFile, SArray *pArray, uint8_t **ppBuf) {
int32_t code = 0;
// TODO
return code;
}
static int32_t tsdbCommitFileStart(SCommitH *pCHandle) {
int32_t code = 0;
STsdb *pTsdb = pCHandle->pMemTable->pTsdb;
SDFileSet *pSet = NULL;
taosArrayClear(pCHandle->aBlkIdx);
return code;
}
static int32_t tsdbCommitFileEnd(SCommitH *pCHandle) {
int32_t code = 0;
// TODO
return code;
}
static int32_t tsdbCommitFile(SCommitH *pCHandle) {
int32_t code = 0;
SMemData *pMemData;
SBlockIdx *pBlockIdx;
int32_t iMemData;
int32_t nMemData;
int32_t iBlockIdx;
int32_t nBlockIdx;
// commit file start
code = tsdbCommitFileStart(pCHandle);
if (code) {
goto _err;
}
// commit file impl
iMemData = 0;
nMemData = taosArrayGetSize(pCHandle->pMemTable->aMemData);
iBlockIdx = 0;
nBlockIdx = 0; // todo
for (;;) {
if (iMemData >= nMemData && iBlockIdx >= nBlockIdx) break;
pMemData = NULL;
pBlockIdx = NULL;
if (iMemData < nMemData) {
pMemData = (SMemData *)taosArrayGetP(pCHandle->pMemTable->aMemData, iMemData);
}
if (iBlockIdx < nBlockIdx) {
// pBlockIdx = ;
}
if (pMemData && pBlockIdx) {
int32_t c = tsdbTableIdCmprFn(pMemData, pBlockIdx);
if (c < 0) {
iMemData++;
pBlockIdx = NULL;
} else if (c == 0) {
iMemData++;
iBlockIdx++;
} else {
iBlockIdx++;
pMemData = NULL;
}
} else {
if (pMemData) {
iMemData++;
} else {
iBlockIdx++;
}
}
code = tsdbCommitTable(pCHandle, pMemData, pBlockIdx);
if (code) {
goto _err;
}
}
// commit file end
code = tsdbCommitFileEnd(pCHandle);
if (code) {
goto _err;
}
return code;
_err:
return code;
}
static int32_t tsdbCommitData(SCommitH *pCHandle) {
int32_t code = 0;
int32_t fid;
if (pCHandle->pMemTable->nRows == 0) goto _exit;
// loop to commit to each file
for (;;) {
if (pCHandle->nCommitKey == TSKEY_MAX) break;
pCHandle->fid = TSDB_KEY_FID(pCHandle->nCommitKey, pCHandle->minutes, pCHandle->precision);
tsdbGetFidKeyRange(pCHandle->minutes, pCHandle->precision, pCHandle->fid, &pCHandle->minKey, &pCHandle->maxKey);
code = tsdbCommitFile(pCHandle);
if (code) {
goto _err;
}
}
_exit:
return code;
_err:
return code;
}
static int32_t delInfoCmprFn(const void *p1, const void *p2) {
SDelInfo *pDelInfo1 = (SDelInfo *)p1;
SDelInfo *pDelInfo2 = (SDelInfo *)p2;
if (pDelInfo1->suid < pDelInfo2->suid) {
return -1;
} else if (pDelInfo1->suid > pDelInfo2->suid) {
return 1;
}
if (pDelInfo1->uid < pDelInfo2->uid) {
return -1;
} else if (pDelInfo1->uid > pDelInfo2->uid) {
return 1;
}
if (pDelInfo1->version < pDelInfo2->version) {
return -1;
} else if (pDelInfo1->version > pDelInfo2->version) {
return 1;
}
return 0;
}
static int32_t tsdbCommitDelete(SCommitH *pCHandle) {
int32_t code = 0;
SDelInfo delInfo;
SMemData *pMemData;
if (pCHandle->pMemTable->nDelOp == 0) goto _exit;
// load del array (todo)
// loop to append SDelInfo
for (int32_t iMemData = 0; iMemData < taosArrayGetSize(pCHandle->pMemTable->aMemData); iMemData++) {
pMemData = (SMemData *)taosArrayGetP(pCHandle->pMemTable->aMemData, iMemData);
for (SDelOp *pDelOp = pMemData->delOpHead; pDelOp; pDelOp = pDelOp->pNext) {
delInfo = (SDelInfo){.suid = pMemData->suid,
.uid = pMemData->uid,
.version = pDelOp->version,
.sKey = pDelOp->sKey,
.eKey = pDelOp->eKey};
if (taosArrayPush(pCHandle->aDelInfo, &delInfo) == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
}
}
taosArraySort(pCHandle->aDelInfo, delInfoCmprFn);
// write to new file
_exit:
return code;
_err:
return code;
}
static int32_t tsdbCommitCache(SCommitH *pCHandle) {
int32_t code = 0;
// TODO
return code;
}
static int32_t tsdbCommitImpl(SCommitH *pCHandle) {
int32_t code = 0;
// commit data
code = tsdbCommitData(pCHandle);
if (code) {
goto _err;
}
// commit delete
code = tsdbCommitDelete(pCHandle);
if (code) {
goto _err;
}
// commit cache if need (todo)
if (0) {
code = tsdbCommitCache(pCHandle);
if (code) {
goto _err;
}
}
return code;
_err:
return code;
}

177
source/dnode/vnode/src/tsdb/tsdbMemTable.c
View File

@ -188,23 +188,6 @@ _err:
return code;
}
static int tsdbAppendTableRowToCols(STsdb *pTsdb, STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row,
bool merge) {
if (pCols) {
if (*ppSchema == NULL || schemaVersion(*ppSchema) != TD_ROW_SVER(row)) {
*ppSchema = tsdbGetTableSchemaImpl(pTsdb, pTable, false, false, TD_ROW_SVER(row));
if (*ppSchema == NULL) {
ASSERT(false);
return -1;
}
}
tdAppendSTSRowToDataCol(row, *ppSchema, pCols, merge);
}
return 0;
}
int32_t tsdbTbDataIterCreate(STbData *pTbData, TSDBKEY *pFrom, int8_t backward, STbDataIter **ppIter) {
int32_t code = 0;
@ -310,166 +293,6 @@ bool tsdbTbDataIterGet(STbDataIter *pIter, TSDBROW *pRow) {
return true;
}
/**
* This is an important function to load data or try to load data from memory skiplist iterator.
*
* This function load memory data until:
* 1. iterator ends
* 2. data key exceeds maxKey
* 3. rowsIncreased = rowsInserted - rowsDeleteSucceed >= maxRowsToRead
* 4. operations in pCols not exceeds its max capacity if pCols is given
*
* The function tries to procceed AS MUCH AS POSSIBLE.
*/
int tsdbLoadDataFromCache(STsdb *pTsdb, STable *pTable, STbDataIter *pIter, TSKEY maxKey, int maxRowsToRead,
SDataCols *pCols, TKEY *filterKeys, int nFilterKeys, bool keepDup, SMergeInfo *pMergeInfo) {
ASSERT(maxRowsToRead > 0 && nFilterKeys >= 0);
if (pIter == NULL) return 0;
STSchema *pSchema = NULL;
TSKEY rowKey = 0;
TSKEY fKey = 0;
// only fetch lastKey from mem data as file data not used in this function actually
TSKEY lastKey = TSKEY_INITIAL_VAL;
bool isRowDel = false;
int filterIter = 0;
STSRow *row = NULL;
SMergeInfo mInfo;
// TODO: support Multi-Version(the rows with the same TS keys in memory can't be merged if its version refered by
// query handle)
if (pMergeInfo == NULL) pMergeInfo = &mInfo;
memset(pMergeInfo, 0, sizeof(*pMergeInfo));
pMergeInfo->keyFirst = INT64_MAX;
pMergeInfo->keyLast = INT64_MIN;
if (pCols) tdResetDataCols(pCols);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
// 1. fkey - no dup since merged up to maxVersion of each query handle by tsdbLoadBlockDataCols
// 2. rowKey - would dup since Multi-Version supported
while (true) {
if (fKey == INT64_MAX && rowKey == INT64_MAX) break;
if (fKey < rowKey) {
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, fKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, fKey);
filterIter++;
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
#if 1
} else if (fKey > rowKey) {
if (isRowDel) {
// TODO: support delete function
pMergeInfo->rowsDeleteFailed++;
} else {
if (pMergeInfo->rowsInserted - pMergeInfo->rowsDeleteSucceed >= maxRowsToRead) break;
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsInserted++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
if (pCols) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
}
lastKey = rowKey;
} else {
if (keepDup) {
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, true);
} else {
// discard
}
}
}
tsdbTbDataIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
} else { // fkey == rowKey
if (isRowDel) { // TODO: support delete function(How to stands for delete in file? rowVersion = -1?)
ASSERT(!keepDup);
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
pMergeInfo->rowsDeleteSucceed++;
pMergeInfo->nOperations++;
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
} else {
if (keepDup) {
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsUpdated++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
if (pCols) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, false);
}
lastKey = rowKey;
} else {
tsdbAppendTableRowToCols(pTsdb, pTable, pCols, &pSchema, row, true);
}
} else {
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, fKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, fKey);
}
}
tsdbTbDataIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
filterIter++;
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
}
#endif
}
if (pCols && (lastKey != TSKEY_INITIAL_VAL)) {
++pCols->numOfRows;
}
return 0;
}
static int32_t tsdbGetOrCreateTbData(SMemTable *pMemTable, tb_uid_t suid, tb_uid_t uid, STbData **ppTbData) {
int32_t code = 0;
int32_t idx = 0;