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Merge pull request #652 from mariadb-corporation/MCOL-1983

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MCOL-1983 Have regr_intercept, regr_slope and regr_r2 return NULL for…
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Roman Nozdrin
2019-01-23 20:37:50 +03:00
committed by GitHub
parent 02a86a3429 79811ded8e
commit ee2cb7b0de
14 changed files with 256 additions and 107 deletions
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utils/windowfunction/wf_udaf.cpp
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@ -84,7 +84,6 @@ void WF_udaf::resetData()
getContext().getFunction()->reset(&getContext());
fDistinctMap.clear();
WindowFunctionType::resetData();
fValOut.reset();
}
void WF_udaf::parseParms(const std::vector<execplan::SRCP>& parms)
@ -714,6 +713,7 @@ void WF_udaf::operator()(int64_t b, int64_t e, int64_t c)
(fPrev == -1) ||
(!fPeer->operator()(getPointer(fRowData->at(c)), getPointer(fRowData->at(fPrev)))))
{
fValOut.reset();
// for unbounded - current row special handling
if (fPrev >= b && fPrev < c)
b = c;