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30 lines
623 B
C++
30 lines
623 B
C++
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#include <DB/Columns/ColumnString.h>
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#include <DB/Columns/ColumnConst.h>
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namespace DB
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{
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template <> ColumnPtr ColumnConst<String>::convertToFullColumn() const
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{
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ColumnString * res = new ColumnString;
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ColumnString::Offsets_t & offsets = res->getOffsets();
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ColumnUInt8::Container_t & vec = dynamic_cast<ColumnVector<UInt8> &>(res->getData()).getData();
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size_t string_size = data.size() + 1;
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size_t offset = 0;
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offsets.resize(s);
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vec.resize(s * string_size);
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for (size_t i = 0; i < s; ++i)
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{
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memcpy(&vec[offset], data.data(), string_size);
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offset += string_size;
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offsets[i] = offset;
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}
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return res;
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}
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}
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