aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/clickhouse/src/Processors/Formats/Impl/NullFormat.cpp
blob: 4bd2249ac162ac488898de8feefe6a74c3c66b50 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
#include <Processors/Formats/Impl/NullFormat.h>
#include <Formats/FormatFactory.h>
#include <IO/WriteBuffer.h>


namespace DB
{

WriteBufferFromPointer NullOutputFormat::empty_buffer(nullptr, 0);

NullOutputFormat::NullOutputFormat(const Block & header) : IOutputFormat(header, empty_buffer) {}

void registerOutputFormatNull(FormatFactory & factory)
{
    factory.registerOutputFormat("Null", [](
        WriteBuffer &,
        const Block & sample,
        const FormatSettings &)
    {
        return std::make_shared<NullOutputFormat>(sample);
    });
}

}