ClickHouse/dbms/src/Formats/IRowOutputStream.cpp

38 lines
744 B
C++

#include <Common/Exception.h>
#include <Core/Block.h>
#include <Formats/IRowOutputStream.h>
namespace DB
{
namespace ErrorCodes
{
extern const int NOT_IMPLEMENTED;
}
void IRowOutputStream::write(const Block & block, size_t row_num)
{
size_t columns = block.columns();
writeRowStartDelimiter();
for (size_t i = 0; i < columns; ++i)
{
if (i != 0)
writeFieldDelimiter();
auto & col = block.getByPosition(i);
writeField(*col.column, *col.type, row_num);
}
writeRowEndDelimiter();
}
void IRowOutputStream::writeField(const IColumn &, const IDataType &, size_t)
{
throw Exception("Method writeField is not implemented for output format", ErrorCodes::NOT_IMPLEMENTED);
}
}