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FunctionsRound: don't process empty columns - not significant change, just in case [#METR-20540].

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This commit is contained in:
Alexey Milovidov 2016-03-22 02:07:11 +03:00
parent 114713a9c3
commit cee7fd35bb
1 changed files with 3 additions and 0 deletions
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3
dbms/include/DB/Functions/FunctionsRound.h
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@ -980,6 +980,9 @@ namespace
typename ColumnVector<T>::Container_t & vec_res = col_res->getData();
vec_res.resize(col->getData().size());
if (vec_res.empty())
return;
Op::apply(col->getData(), scale, vec_res);
}