| 1 | #pragma once |
| 2 | #include <DataStreams/IBlockOutputStream.h> |
| 3 | #include <IO/WriteBuffer.h> |
| 4 | |
| 5 | |
| 6 | namespace DB |
| 7 | { |
| 8 | |
| 9 | /// Prints internal server logs |
| 10 | /// Input blocks have to have the same structure as SystemLogsQueue::getSampleBlock() |
| 11 | /// NOTE: IRowOutputStream does not suite well for this case |
| 12 | class InternalTextLogsRowOutputStream : public IBlockOutputStream |
| 13 | { |
| 14 | public: |
| 15 | |
| 16 | InternalTextLogsRowOutputStream(WriteBuffer & buf_out) : wb(buf_out) {} |
| 17 | |
| 18 | Block () const override; |
| 19 | |
| 20 | void write(const Block & block) override; |
| 21 | |
| 22 | void flush() override |
| 23 | { |
| 24 | wb.next(); |
| 25 | } |
| 26 | |
| 27 | private: |
| 28 | |
| 29 | WriteBuffer & wb; |
| 30 | }; |
| 31 | |
| 32 | } |
| 33 | |