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dbms: fixed 'extract' function [#CONV-8865].

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This commit is contained in:
Alexey Milovidov 2013-10-03 19:23:08 +00:00
parent 62244d9abf
commit 8b3c4548f7
1 changed files with 5 additions and 2 deletions
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7
dbms/include/DB/Functions/FunctionsStringSearch.h
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@ -326,7 +326,7 @@ struct ExtractImpl
const std::string & pattern,
ColumnString::Chars_t & res_data, ColumnString::Offsets_t & res_offsets)
{
res_data.reserve(data.size() / 5);
res_data.reserve(data.size() / 5);
res_offsets.resize(offsets.size());
const OptimizedRegularExpression & regexp = Regexps::get(pattern);
@ -489,7 +489,10 @@ public:
ColumnString::Offsets_t res_offsets;
Impl::vector(vdata, offsets, col_needle->getData(), res_vdata, res_offsets);
std::string res = std::string(*res_vdata.begin(), *res_vdata.end() - 1);
std::string res;
if (!res_offsets.empty())
res.assign(&res_vdata[0], &res_vdata[res_vdata.size() - 1]);
ColumnConstString * col_res = new ColumnConstString(col->size(), res);
block.getByPosition(result).column = col_res;