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refact data format

This commit is contained in:
Hongze Cheng 2022-05-11 04:18:23 +00:00
parent 4a2d0d6a01
commit c3cf7f52bd
2 changed files with 48 additions and 5 deletions
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7
include/common/tdataformat.h
View File

@ -31,7 +31,9 @@ typedef struct STColumn STColumn;
typedef struct STSchema STSchema;
typedef struct STSRow2 STSRow2;
typedef struct STSRowBuilder STSRowBuilder;
typedef struct SKVIdx SKVIdx;
#define TD_TP_ROW 0x0U
#define TD_KV_ROW 0x1U
// STSchema
@ -83,6 +85,11 @@ struct STSRow2 {
struct STSRowBuilder {
STColumn *pTColumn;
STSchema *pTSchema;
int32_t nCols;
int32_t kvVLen;
uint8_t *pKV;
int32_t tpVLen;
uint8_t *pTuple;
STSRow2 row;
};

46
source/common/src/tdataformat.c
View File

@ -19,6 +19,11 @@
#include "tdatablock.h"
#include "tlog.h"
struct SKVIdx {
int32_t cid;
int32_t offset;
};
int32_t tEncodeTSRow(SEncoder *pEncoder, const STSRow2 *pRow) {
if (tEncodeI64(pEncoder, pRow->ts) < 0) return -1;
if (tEncodeU32v(pEncoder, pRow->flags) < 0) return -1;
@ -97,6 +102,11 @@ int32_t tTSRowBuilderReset(STSRowBuilder *pBuilder) {
pBuilder->pTColumn->flags &= (~COL_VAL_SET);
}
pBuilder->nCols = 0;
pBuilder->kvVLen = 0;
pBuilder->tpVLen = 0;
pBuilder->row.flags = 0;
return 0;
}
@ -125,8 +135,7 @@ int32_t tTSRowBuilderPut(STSRowBuilder *pBuilder, int32_t cid, const uint8_t *pD
}
pBuilder->pTColumn->flags |= COL_VAL_SET;
// TODO
pBuilder->nCols++;
return 0;
}
@ -135,10 +144,37 @@ int32_t tTSRowBuilderGetRow(STSRowBuilder *pBuilder, const STSRow2 **ppRow) {
return -1;
}
// chose which type row to return
if (pBuilder->nCols * sizeof(SKVIdx) + pBuilder->kvVLen < pBuilder->pTSchema->flen + pBuilder->tpVLen) {
// encode as TD_KV_ROW
pBuilder->row.flags |= TD_KV_ROW;
pBuilder->row.ncols = pBuilder->nCols;
pBuilder->row.nData = pBuilder->nCols * sizeof(SKVIdx) + pBuilder->kvVLen;
pBuilder->row.pData = pBuilder->pKV;
if (true /* tuple row is chosen */) {
// set non-set values as None
if (pBuilder->nCols < pBuilder->pTSchema->numOfCols) {
memmove(pBuilder->pKV + sizeof(SKVIdx) * pBuilder->nCols,
pBuilder->pKV + sizeof(SKVIdx) * pBuilder->pTSchema->numOfCols, pBuilder->kvVLen);
}
} else {
// encode as TD_TUPLE_ROW
pBuilder->row.flags &= (~TD_KV_ROW);
pBuilder->row.sver = pBuilder->pTSchema->version;
pBuilder->row.nData = pBuilder->pTSchema->flen + pBuilder->tpVLen;
pBuilder->row.pData = pBuilder->pTuple;
if (pBuilder->nCols < pBuilder->pTSchema->numOfCols) {
// set non-set cols as None
for (int32_t iCol = 1; iCol < pBuilder->pTSchema->numOfCols; iCol++) {
pBuilder->pTColumn = &pBuilder->pTSchema->columns[iCol];
if (pBuilder->pTColumn->flags & COL_VAL_SET) continue;
{
// set None (todo)
}
pBuilder->pTColumn->flags |= COL_VAL_SET;
}
}
}
*ppRow = &pBuilder->row;