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
69
70
71
72
73
74
75
76
77
78
79
80
81
|
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#ifndef ROCKSDB_LITE
#include <string>
#include <vector>
#include "db/dbformat.h"
#include "include/rocksdb/env.h"
#include "include/rocksdb/listener.h"
#include "include/rocksdb/options.h"
#include "include/rocksdb/status.h"
#include "options/cf_options.h"
#include "table/block_based_table_reader.h"
namespace rocksdb {
struct ColDeclaration;
struct KVPairColDeclarations;
class ColumnAwareEncodingReader {
public:
explicit ColumnAwareEncodingReader(const std::string& file_name);
void GetKVPairsFromDataBlocks(std::vector<KVPairBlock>* kv_pair_blocks);
void EncodeBlocksToRowFormat(WritableFile* out_file,
CompressionType compression_type,
const std::vector<KVPairBlock>& kv_pair_blocks,
std::vector<std::string>* blocks);
void DecodeBlocksFromRowFormat(WritableFile* out_file,
const std::vector<std::string>* blocks);
void DumpDataColumns(const std::string& filename,
const KVPairColDeclarations& kvp_col_declarations,
const std::vector<KVPairBlock>& kv_pair_blocks);
Status EncodeBlocks(const KVPairColDeclarations& kvp_col_declarations,
WritableFile* out_file, CompressionType compression_type,
const std::vector<KVPairBlock>& kv_pair_blocks,
std::vector<std::string>* blocks, bool print_column_stat);
void DecodeBlocks(const KVPairColDeclarations& kvp_col_declarations,
WritableFile* out_file,
const std::vector<std::string>* blocks);
static void GetColDeclarationsPrimary(
std::vector<ColDeclaration>** key_col_declarations,
std::vector<ColDeclaration>** value_col_declarations,
ColDeclaration** value_checksum_declaration);
static void GetColDeclarationsSecondary(
std::vector<ColDeclaration>** key_col_declarations,
std::vector<ColDeclaration>** value_col_declarations,
ColDeclaration** value_checksum_declaration);
private:
// Init the TableReader for the sst file
void InitTableReader(const std::string& file_path);
std::string file_name_;
EnvOptions soptions_;
Options options_;
Status init_result_;
std::unique_ptr<BlockBasedTable> table_reader_;
std::unique_ptr<RandomAccessFileReader> file_;
const ImmutableCFOptions ioptions_;
const MutableCFOptions moptions_;
InternalKeyComparator internal_comparator_;
std::unique_ptr<TableProperties> table_properties_;
};
} // namespace rocksdb
#endif // ROCKSDB_LITE
|
