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more code

This commit is contained in:
Hongze Cheng 2022-11-22 13:54:27 +08:00
parent 88f244bca5
commit 1a3e429d10
1 changed files with 54 additions and 2 deletions
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56
source/common/src/tdataformat.c
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@ -354,6 +354,7 @@ _exit:
void tRowGet(SRow *pRow, STSchema *pTSchema, int32_t iCol, SColVal *pColVal) {
ASSERT(iCol < pTSchema->numOfCols);
ASSERT(pRow->sver == pTSchema->version);
STColumn *pTColumn = pTSchema->columns + iCol;
@ -431,9 +432,60 @@ void tRowGet(SRow *pRow, STSchema *pTSchema, int32_t iCol, SColVal *pColVal) {
*pColVal = COL_VAL_NONE(pTColumn->colId, pTColumn->type);
} else { // Tuple Row
if (pRow->flag == HAS_VALUE) {
uint8_t *pf = NULL;
uint8_t *pv = NULL;
uint8_t bv = ROW_BIT_VALUE;
switch (pRow->flag) {
case HAS_VALUE:
pf = pRow->data;
pv = pf + pTSchema->flen;
break;
case (HAS_NULL | HAS_NONE):
bv = GET_BIT1(pRow->data, iCol - 1);
break;
case (HAS_VALUE | HAS_NONE):
bv = GET_BIT1(pRow->data, iCol - 1);
if (bv) bv++;
pf = pRow->data + BIT1_SIZE(pTSchema->numOfCols - 1);
pv = pf + pTSchema->flen;
break;
case (HAS_VALUE | HAS_NULL):
bv = GET_BIT1(pRow->data, iCol - 1);
bv++;
pf = pRow->data + BIT1_SIZE(pTSchema->numOfCols - 1);
pv = pf + pTSchema->flen;
break;
case (HAS_VALUE | HAS_NULL | HAS_NONE):
bv = GET_BIT2(pRow->data, iCol - 1);
pf = pRow->data + BIT2_SIZE(pTSchema->numOfCols - 1);
pv = pf + pTSchema->flen;
break;
default:
break;
}
if (bv == ROW_BIT_NONE) {
*pColVal = COL_VAL_NONE(pTColumn->colId, pTColumn->type);
return;
} else if (bv == ROW_BIT_NULL) {
*pColVal = COL_VAL_NULL(pTColumn->colId, pTColumn->type);
return;
}
pColVal->cid = pTColumn->colId;
pColVal->type = pTColumn->type;
pColVal->flag = CV_FLAG_VALUE;
if (IS_VAR_DATA_TYPE(pTColumn->type)) {
uint8_t *pData = pv + *(int32_t *)(pf + pTColumn->offset);
pData += tGetU32v(pData, &pColVal->value.nData);
if (pColVal->value.nData) {
pColVal->value.pData = pData;
} else {
pColVal->value.pData = NULL;
}
} else {
// todo
memcpy(&pColVal->value.val, pv + pTColumn->offset, pTColumn->bytes);
}
}
}