mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 05:32:52 +00:00
37 lines
624 B
C++
37 lines
624 B
C++
#include <DB/DataStreams/BinaryRowInputStream.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
BinaryRowInputStream::BinaryRowInputStream(ReadBuffer & istr_, const Block & sample_)
|
|
: istr(istr_), sample(sample_)
|
|
{
|
|
size_t columns = sample.columns();
|
|
data_types.resize(columns);
|
|
for (size_t i = 0; i < columns; ++i)
|
|
data_types[i] = sample.getByPosition(i).type;
|
|
}
|
|
|
|
|
|
bool BinaryRowInputStream::read(Row & row)
|
|
{
|
|
size_t size = data_types.size();
|
|
row.resize(size);
|
|
|
|
for (size_t i = 0; i < size; ++i)
|
|
{
|
|
if (i == 0 && istr.eof())
|
|
{
|
|
row.clear();
|
|
return false;
|
|
}
|
|
|
|
data_types[i]->deserializeBinary(row[i], istr);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|