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fix interpolation corner case

This commit is contained in:
Hongze Cheng 2022-12-06 17:22:58 +08:00
parent c4f41c6d31
commit ca84805cfc
1 changed files with 7 additions and 2 deletions
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9
source/dnode/vnode/src/tsdb/tsdbUtil.c
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@ -1105,8 +1105,13 @@ void tBlockDataGetColData(SBlockData *pBlockData, int16_t cid, SColData **ppColD
int32_t ridx = pBlockData->nColData - 1;
while (lidx <= ridx) {
int32_t midx = lidx + (ridx - lidx) * (cid - pBlockData->aColData[lidx].cid) /
(pBlockData->aColData[ridx].cid - pBlockData->aColData[lidx].cid);
int32_t midx;
if (lidx == ridx) {
midx = lidx;
} else {
midx = lidx + (ridx - lidx) * (cid - pBlockData->aColData[lidx].cid) /
(pBlockData->aColData[ridx].cid - pBlockData->aColData[lidx].cid);
}
SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, midx);
int32_t c = (pColData->cid == cid) ? 0 : ((pColData->cid > cid) ? 1 : -1);