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Merge pull request #17826 from taosdata/fix/TD-20116 

fix: address sanitizer divide by zero error
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Shengliang Guan 2022-11-02 15:44:21 +08:00 committed by GitHub
parent 7d291174aa 6667f69146
commit 5276b72e46
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1 changed files with 6 additions and 0 deletions
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6
source/libs/function/src/builtinsimpl.c
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@ -2307,6 +2307,12 @@ int32_t leastSQRFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
double param00 = param[0][0] - param[1][0] * (param[0][1] / param[1][1]); double param00 = param[0][0] - param[1][0] * (param[0][1] / param[1][1]);
double param02 = param[0][2] - param[1][2] * (param[0][1] / param[1][1]); double param02 = param[0][2] - param[1][2] * (param[0][1] / param[1][1]);
if (0 == param00) {
colDataAppendNULL(pCol, currentRow);
return 0;
}
// param[0][1] = 0; // param[0][1] = 0;
double param12 = param[1][2] - param02 * (param[1][0] / param00); double param12 = param[1][2] - param02 * (param[1][0] / param00);
// param[1][0] = 0; // param[1][0] = 0;