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move key column into SCompBlock

This commit is contained in:
Hongze Cheng 2020-07-09 15:03:30 +08:00
parent 823761d94c
commit e5d5782125
2 changed files with 77 additions and 47 deletions
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4
src/tsdb/inc/tsdbMain.h
View File

@ -206,10 +206,10 @@ typedef struct {
int64_t offset : 63;
int32_t algorithm : 8;
int32_t numOfRows : 24;
int32_t sversion;
int32_t len;
int32_t keyLen; // key column length, keyOffset = offset+sizeof(SCompData)+sizeof(SCompCol)*numOfCols
int16_t numOfSubBlocks;
int16_t numOfCols;
int16_t numOfCols; // not including timestamp column
TSKEY keyFirst;
TSKEY keyLast;
} SCompBlock;

90
src/tsdb/src/tsdbRWHelper.c
View File

@ -22,6 +22,7 @@
#include "tfile.h"
#define TSDB_GET_COMPCOL_LEN(nCols) (sizeof(SCompData) + sizeof(SCompCol) * (nCols) + sizeof(TSCKSUM))
#define TSDB_KEY_COL_OFFSET 0
static bool tsdbShouldCreateNewLast(SRWHelper *pHelper);
static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDataCols, int rowsToWrite,
@ -646,7 +647,7 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
}
int nColsNotAllNull = 0;
for (int ncol = 0; ncol < pDataCols->numOfCols; ncol++) {
for (int ncol = 1; ncol < pDataCols->numOfCols; ncol++) { // ncol from 1, we skip the timestamp column
SDataCol *pDataCol = pDataCols->cols + ncol;
SCompCol *pCompCol = pCompData->cols + nColsNotAllNull;
@ -658,7 +659,7 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
pCompCol->colId = pDataCol->colId;
pCompCol->type = pDataCol->type;
if (tDataTypeDesc[pDataCol->type].getStatisFunc && ncol != 0) {
if (tDataTypeDesc[pDataCol->type].getStatisFunc) {
(*tDataTypeDesc[pDataCol->type].getStatisFunc)(
(TSKEY *)(pDataCols->cols[0].pData), pDataCol->pData, rowsToWrite, &(pCompCol->min), &(pCompCol->max),
&(pCompCol->sum), &(pCompCol->minIndex), &(pCompCol->maxIndex), &(pCompCol->numOfNull));
@ -673,17 +674,17 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
int32_t toffset = 0;
int32_t tsize = TSDB_GET_COMPCOL_LEN(nColsNotAllNull);
int32_t lsize = tsize;
int32_t keyLen = 0;
for (int ncol = 0; ncol < pDataCols->numOfCols; ncol++) {
if (tcol >= nColsNotAllNull) break;
SDataCol *pDataCol = pDataCols->cols + ncol;
SCompCol *pCompCol = pCompData->cols + tcol;
if (pDataCol->colId != pCompCol->colId) continue;
void *tptr = (void *)((char *)pCompData + lsize);
pCompCol->offset = toffset;
if (ncol != 0 && (pDataCol->colId != pCompCol->colId)) continue;
void *tptr = POINTER_SHIFT(pCompData, lsize);
int32_t flen = 0; // final length
int32_t tlen = dataColGetNEleLen(pDataCol, rowsToWrite);
if (pCfg->compression) {
@ -695,22 +696,29 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
}
}
pCompCol->len = (*(tDataTypeDesc[pDataCol->type].compFunc))((char *)pDataCol->pData, tlen, rowsToWrite, tptr,
flen = (*(tDataTypeDesc[pDataCol->type].compFunc))((char *)pDataCol->pData, tlen, rowsToWrite, tptr,
tsizeof(pHelper->pBuffer) - lsize, pCfg->compression,
pHelper->compBuffer, tsizeof(pHelper->compBuffer));
} else {
pCompCol->len = tlen;
memcpy(tptr, pDataCol->pData, pCompCol->len);
flen = tlen;
memcpy(tptr, pDataCol->pData, flen);
}
// Add checksum
ASSERT(pCompCol->len > 0);
pCompCol->len += sizeof(TSCKSUM);
taosCalcChecksumAppend(0, (uint8_t *)tptr, pCompCol->len);
ASSERT(flen > 0);
flen += sizeof(TSCKSUM);
taosCalcChecksumAppend(0, (uint8_t *)tptr, flen);
toffset += pCompCol->len;
lsize += pCompCol->len;
if (ncol != 0) {
pCompCol->offset = toffset;
pCompCol->len = flen;
tcol++;
} else {
keyLen = flen;
}
toffset += flen;
lsize += flen;
}
pCompData->delimiter = TSDB_FILE_DELIMITER;
@ -732,8 +740,8 @@ static int tsdbWriteBlockToFile(SRWHelper *pHelper, SFile *pFile, SDataCols *pDa
pCompBlock->offset = offset;
pCompBlock->algorithm = pCfg->compression;
pCompBlock->numOfRows = rowsToWrite;
pCompBlock->sversion = pHelper->tableInfo.sversion;
pCompBlock->len = (int32_t)lsize;
pCompBlock->len = lsize;
pCompBlock->keyLen = keyLen;
pCompBlock->numOfSubBlocks = isSuperBlock ? 1 : 0;
pCompBlock->numOfCols = nColsNotAllNull;
pCompBlock->keyFirst = dataColsKeyFirst(pDataCols);
@ -1276,10 +1284,13 @@ static int tsdbLoadColData(SRWHelper *pHelper, SFile *pFile, SCompBlock *pCompBl
static int tsdbLoadBlockDataColsImpl(SRWHelper *pHelper, SCompBlock *pCompBlock, SDataCols *pDataCols, int16_t *colIds, int numOfColIds) {
ASSERT(pCompBlock->numOfSubBlocks <= 1);
ASSERT(colIds[0] == 0);
SFile * pFile = (pCompBlock->last) ? &(pHelper->files.lastF) : &(pHelper->files.dataF);
SCompCol compCol = {0};
if (tsdbLoadCompData(pHelper, pCompBlock, NULL) < 0) goto _err;
// If only load timestamp column, no need to load SCompData part
if (numOfColIds > 1 && tsdbLoadCompData(pHelper, pCompBlock, NULL) < 0) goto _err;
int dcol = 0;
int ccol = 0;
@ -1298,6 +1309,13 @@ static int tsdbLoadBlockDataColsImpl(SRWHelper *pHelper, SCompBlock *pCompBlock,
ASSERT(pDataCol->colId == colId);
if (colId == 0) { // load the key row
compCol.colId = colId;
compCol.len = pCompBlock->keyLen;
compCol.type = pDataCol->type;
compCol.offset = TSDB_KEY_COL_OFFSET;
pCompCol = &compCol;
} else { // load non-key rows
while (ccol < pCompBlock->numOfCols) {
pCompCol = &pHelper->pCompData->cols[ccol];
if (pCompCol->colId >= colId) break;
@ -1311,10 +1329,11 @@ static int tsdbLoadBlockDataColsImpl(SRWHelper *pHelper, SCompBlock *pCompBlock,
}
ASSERT(pCompCol->colId == pDataCol->colId);
}
if (tsdbLoadColData(pHelper, pFile, pCompBlock, pCompCol, pDataCol) < 0) goto _err;
dcol++;
ccol++;
if (colId != 0) ccol++;
}
return 0;
@ -1362,8 +1381,8 @@ static int tsdbLoadBlockDataImpl(SRWHelper *pHelper, SCompBlock *pCompBlock, SDa
pDataCols->numOfRows = pCompBlock->numOfRows;
// Recover the data
int ccol = 0;
int dcol = 0;
int ccol = 0; // loop iter for SCompCol object
int dcol = 0; // loop iter for SDataCols object
while (dcol < pDataCols->numOfCols) {
SDataCol *pDataCol = &(pDataCols->cols[dcol]);
if (ccol >= pCompData->numOfCols) {
@ -1373,12 +1392,23 @@ static int tsdbLoadBlockDataImpl(SRWHelper *pHelper, SCompBlock *pCompBlock, SDa
continue;
}
SCompCol *pCompCol = &(pCompData->cols[ccol]);
int16_t tcolId = 0;
int32_t toffset = TSDB_KEY_COL_OFFSET;
int32_t tlen = pCompBlock->keyLen;
if (pCompCol->colId == pDataCol->colId) {
if (dcol != 0) {
SCompCol *pCompCol = &(pCompData->cols[ccol]);
tcolId = pCompCol->colId;
toffset = pCompCol->offset;
tlen = pCompCol->len;
} else {
ASSERT(pDataCol->colId == tcolId);
}
if (tcolId == pDataCol->colId) {
if (pCompBlock->algorithm == TWO_STAGE_COMP) {
int zsize = pDataCol->bytes * pCompBlock->numOfRows + COMP_OVERFLOW_BYTES;
if (pCompCol->type == TSDB_DATA_TYPE_BINARY || pCompCol->type == TSDB_DATA_TYPE_NCHAR) {
if (pDataCol->type == TSDB_DATA_TYPE_BINARY || pDataCol->type == TSDB_DATA_TYPE_NCHAR) {
zsize += (sizeof(VarDataLenT) * pCompBlock->numOfRows);
}
pHelper->compBuffer = trealloc(pHelper->compBuffer, zsize);
@ -1387,16 +1417,16 @@ static int tsdbLoadBlockDataImpl(SRWHelper *pHelper, SCompBlock *pCompBlock, SDa
goto _err;
}
}
if (tsdbCheckAndDecodeColumnData(pDataCol, (char *)pCompData + tsize + pCompCol->offset, pCompCol->len,
pCompBlock->algorithm, pCompBlock->numOfRows, pDataCols->maxPoints,
pHelper->compBuffer, tsizeof(pHelper->compBuffer)) < 0) {
tsdbError("vgId:%d file %s is broken at column %d offset %" PRId64, REPO_ID(pHelper->pRepo), pFile->fname,
pCompCol->colId, (int64_t)pCompCol->offset);
if (tsdbCheckAndDecodeColumnData(pDataCol, (char *)pCompData + tsize + toffset, tlen, pCompBlock->algorithm,
pCompBlock->numOfRows, pDataCols->maxPoints, pHelper->compBuffer,
tsizeof(pHelper->compBuffer)) < 0) {
tsdbError("vgId:%d file %s is broken at column %d block offset %" PRId64 " column offset %d",
REPO_ID(pHelper->pRepo), pFile->fname, tcolId, (int64_t)pCompBlock->offset, toffset);
goto _err;
}
if (dcol != 0) ccol++;
dcol++;
ccol++;
} else if (pCompCol->colId < pDataCol->colId) {
} else if (tcolId < pDataCol->colId) {
ccol++;
} else {
// Set current column as NULL and forward