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Merge pull request #4256 from taosdata/hotfix/TD-2096 

[TD-2096]<fix>: apercentile on super table  crash
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haojun Liao 2020-11-17 12:51:36 +08:00 committed by GitHub
parent 59db07cc43 f4a92907f2
commit 408246dc27
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 5 deletions
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7
src/client/src/tscFunctionImpl.c
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@ -2701,11 +2701,12 @@ static void apercentile_func_second_merge(SQLFunctionCtx *pCtx) {
memcpy(pHisto, pInput->pHisto, sizeof(SHistogramInfo) + sizeof(SHistBin) * (MAX_HISTOGRAM_BIN + 1));
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
} else {
//TODO(dengyihao): avoid memcpy
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
SHistogramInfo *pRes = tHistogramMerge(pHisto, pInput->pHisto, MAX_HISTOGRAM_BIN);
tHistogramDestroy(&pOutput->pHisto);
pOutput->pHisto = pRes;
memcpy(pHisto, pRes, sizeof(SHistogramInfo) + sizeof(SHistBin) * MAX_HISTOGRAM_BIN);
pHisto->elems = (SHistBin*) ((char *)pHisto + sizeof(SHistogramInfo));
tHistogramDestroy(&pRes);
}
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);

1
src/query/inc/qHistogram.h
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@ -45,7 +45,6 @@ typedef struct SHistogramInfo {
int32_t maxEntries;
double min;
double max;
#if defined(USE_ARRAYLIST)
SHistBin* elems;
#else