blob: ed3c94c6c220deeaed8e0dba5a037c47be5667ff (
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
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#pragma once
#include "counting_raw_reader.h"
#include <yt/cpp/mapreduce/client/skiff.h>
#include <yt/cpp/mapreduce/interface/io.h>
#include <yt/cpp/mapreduce/skiff/unchecked_parser.h>
#include <util/stream/buffered.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
class TSkiffRowTableReader
: public ISkiffRowReaderImpl
{
public:
explicit TSkiffRowTableReader(
::TIntrusivePtr<TRawTableReader> input,
const NSkiff::TSkiffSchemaPtr& schema,
TVector<ISkiffRowSkipperPtr>&& skippers,
NDetail::TCreateSkiffSchemaOptions&& options);
~TSkiffRowTableReader() override;
void ReadRow(const ISkiffRowParserPtr& parser) override;
bool IsValid() const override;
void Next() override;
ui32 GetTableIndex() const override;
ui32 GetRangeIndex() const override;
ui64 GetRowIndex() const override;
void NextKey() override;
TMaybe<size_t> GetReadByteCount() const override;
bool IsEndOfStream() const override;
bool IsRawReaderExhausted() const override;
private:
bool Retry();
void SkipRow();
void CheckValidity() const;
bool PrepareRetry();
private:
NDetail::TCountingRawTableReader Input_;
TBufferedInput BufferedInput_;
std::optional<NSkiff::TCheckedInDebugSkiffParser> Parser_;
TVector<ISkiffRowSkipperPtr> Skippers_;
NDetail::TCreateSkiffSchemaOptions Options_;
bool RowTaken_ = true;
bool Valid_ = true;
bool Finished_ = false;
bool AfterKeySwitch_ = false;
bool IsEndOfStream_ = false;
TMaybe<ui64> RowIndex_;
TMaybe<ui32> RangeIndex_;
ui32 RangeIndexShift_ = 0;
ui32 TableIndex_ = 0;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
|