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Added "reserve" for "arrayFirst" #3920

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This commit is contained in:
Alexey Milovidov 2019-01-08 18:30:04 +03:00
parent 224e688e9c
commit ed07c1a1d2
1 changed files with 2 additions and 0 deletions
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2
dbms/src/Functions/arrayFirst.cpp
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@ -34,6 +34,7 @@ struct ArrayFirstImpl
const auto & offsets = array.getOffsets();
const auto & data = array.getData();
auto out = data.cloneEmpty();
out->reserve(data.size());
size_t pos{};
for (size_t i = 0; i < offsets.size(); ++i)
@ -60,6 +61,7 @@ struct ArrayFirstImpl
const auto & offsets = array.getOffsets();
const auto & data = array.getData();
auto out = data.cloneEmpty();
out->reserve(data.size());
size_t pos{};
for (size_t i = 0; i < offsets.size(); ++i)