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refactor: do some internal refactor.

This commit is contained in:
Haojun Liao 2022-11-09 10:39:32 +08:00
parent e3aabacf9a
commit 0c427b5f5b
4 changed files with 97 additions and 81 deletions
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2
include/common/tdataformat.h
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@ -130,7 +130,7 @@ void tColDataInit(SColData *pColData, int16_t cid, int8_t type, int8_t smaOn)
void tColDataClear(SColData *pColData);
int32_t tColDataAppendValue(SColData *pColData, SColVal *pColVal);
void tColDataGetValue(SColData *pColData, int32_t iVal, SColVal *pColVal);
uint8_t tColDataGetBitValue(SColData *pColData, int32_t iVal);
uint8_t tColDataGetBitValue(const SColData *pColData, int32_t iVal);
int32_t tColDataCopy(SColData *pColDataSrc, SColData *pColDataDest);
extern void (*tColDataCalcSMA[])(SColData *pColData, int64_t *sum, int64_t *max, int64_t *min, int16_t *numOfNull);

2
source/common/src/tdataformat.c
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@ -1557,7 +1557,7 @@ void tColDataGetValue(SColData *pColData, int32_t iVal, SColVal *pColVal) {
tColDataGetValueImpl[pColData->flag](pColData, iVal, pColVal);
}
uint8_t tColDataGetBitValue(SColData *pColData, int32_t iVal) {
uint8_t tColDataGetBitValue(const SColData *pColData, int32_t iVal) {
uint8_t v;
switch (pColData->flag) {
case HAS_NONE:

173
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -910,7 +910,7 @@ static int32_t getEndPosInDataBlock(STsdbReader* pReader, SBlockData* pBlockData
return endPos;
}
static void copyPrimaryTsCol(SBlockData* pBlockData, SFileBlockDumpInfo* pDumpInfo, SColumnInfoData* pColData,
static void copyPrimaryTsCol(const SBlockData* pBlockData, SFileBlockDumpInfo* pDumpInfo, SColumnInfoData* pColData,
int32_t dumpedRows, bool asc) {
if (asc) {
memcpy(pColData->pData, &pBlockData->aTSKEY[pDumpInfo->rowIndex], dumpedRows * sizeof(int64_t));
@ -930,6 +930,97 @@ static void copyPrimaryTsCol(SBlockData* pBlockData, SFileBlockDumpInfo* pDumpIn
}
}
// a faster version of copy procedure.
static void copyNumericCols(const SColData* pData, SFileBlockDumpInfo* pDumpInfo, SColumnInfoData* pColData,
int32_t dumpedRows, bool asc) {
uint8_t* p = NULL;
if (asc) {
p = pData->pData + tDataTypes[pData->type].bytes * pDumpInfo->rowIndex;
} else {
int32_t startIndex = pDumpInfo->rowIndex - dumpedRows + 1;
p = pData->pData + tDataTypes[pData->type].bytes * startIndex;
}
int32_t step = asc? 1:-1;
// make sure it is aligned to 8bit
ASSERT((((uint64_t)pColData->pData) & (0x8 - 1)) == 0);
// 1. copy data in a batch model
memcpy(pColData->pData, p, dumpedRows * tDataTypes[pData->type].bytes);
// 2. reverse the array list in case of descending order scan data block
if (!asc) {
switch(pColData->info.type) {
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_DOUBLE:
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_UBIGINT:
{
int32_t mid = dumpedRows >> 1u;
int64_t* pts = (int64_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_UTINYINT: {
int32_t mid = dumpedRows >> 1u;
int8_t* pts = (int8_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_USMALLINT: {
int32_t mid = dumpedRows >> 1u;
int16_t* pts = (int16_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_FLOAT:
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_UINT: {
int32_t mid = dumpedRows >> 1u;
int32_t* pts = (int32_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
}
}
// 3. if the null value exists, check items one-by-one
if (pData->flag != HAS_VALUE) {
int32_t rowIndex = 0;
for (int32_t j = pDumpInfo->rowIndex; rowIndex < dumpedRows; j += step, rowIndex++) {
uint8_t v = tColDataGetBitValue(pData, j);
if (v == 0 || v == 1) {
colDataSetNull_f(pColData->nullbitmap, rowIndex);
pColData->hasNull = true;
}
}
}
}
static int32_t copyBlockDataToSDataBlock(STsdbReader* pReader, STableBlockScanInfo* pBlockScanInfo) {
SReaderStatus* pStatus = &pReader->status;
SDataBlockIter* pBlockIter = &pStatus->blockIter;
@ -997,84 +1088,8 @@ static int32_t copyBlockDataToSDataBlock(STsdbReader* pReader, STableBlockScanIn
colDataAppendNNULL(pColData, 0, dumpedRows);
} else {
if (IS_MATHABLE_TYPE(pColData->info.type)) {
uint8_t* p = NULL;
if (asc) {
p = pData->pData + tDataTypes[pData->type].bytes * pDumpInfo->rowIndex;
} else {
int32_t startIndex = pDumpInfo->rowIndex - dumpedRows + 1;
p = pData->pData + tDataTypes[pData->type].bytes * startIndex;
}
// make sure it is aligned to 8bit
ASSERT((((uint64_t)pColData->pData) & (0x8 - 1)) == 0);
memcpy(pColData->pData, p, dumpedRows * tDataTypes[pData->type].bytes);
if (!asc) {
switch(pColData->info.type) {
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_BIGINT:
case TSDB_DATA_TYPE_UBIGINT:
{
int32_t mid = dumpedRows >> 1u;
int64_t* pts = (int64_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_BOOL:
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_UTINYINT: {
int32_t mid = dumpedRows >> 1u;
int8_t* pts = (int8_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_USMALLINT: {
int32_t mid = dumpedRows >> 1u;
int16_t* pts = (int16_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_UINT: {
int32_t mid = dumpedRows >> 1u;
int32_t* pts = (int32_t*)pColData->pData;
for (int32_t j = 0; j < mid; ++j) {
int64_t t = pts[j];
pts[j] = pts[dumpedRows - j - 1];
pts[dumpedRows - j - 1] = t;
}
break;
}
}
}
// null value exists, check one-by-one
if (pData->flag != HAS_VALUE) {
for (int32_t j = pDumpInfo->rowIndex; rowIndex < dumpedRows; j += step, rowIndex++) {
uint8_t v = tColDataGetBitValue(pData, j);
if (v == 0 || v == 1) {
colDataSetNull_f(pColData->nullbitmap, rowIndex);
}
}
}
} else {
copyNumericCols(pData, pDumpInfo, pColData, dumpedRows, asc);
} else { // varchar/nchar type
for (int32_t j = pDumpInfo->rowIndex; rowIndex < dumpedRows; j += step) {
tColDataGetValue(pData, j, &cv);
doCopyColVal(pColData, rowIndex++, i, &cv, pSupInfo);

1
source/libs/function/src/builtinsimpl.c
View File

@ -3022,6 +3022,7 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
}
}
#endif
if (numOfElems == 0) {
// save selectivity value for column consisted of all null values
firstlastSaveTupleData(pCtx->pSrcBlock, pInput->startRowIndex, pCtx, pInfo);