summaryrefslogtreecommitdiff
path: root/src/mongo/db/storage/external_record_store.h
blob: 152d766e6cbb530d4aa8a2a89e4af9695527bdb5 (plain)
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/**
 *    Copyright (C) 2022-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#pragma once

#include "mongo/base/error_codes.h"
#include "mongo/db/catalog/virtual_collection_options.h"
#include "mongo/db/storage/record_store.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/errno_util.h"

namespace mongo {
namespace {
inline std::string getErrorMessage(StringData op, const std::string& path) {
    using namespace fmt::literals;
    return "Failed to {} {}: {}"_format(op, path, errorMessage(lastSystemError()));
}
}  // namespace

class ExternalRecordStore : public RecordStore {
public:
    ExternalRecordStore(StringData ns, const VirtualCollectionOptions& vopts);

    const VirtualCollectionOptions& getOptions() const {
        return _vopts;
    }

    const char* name() const {
        return "external";
    }

    bool isTemp() const {
        return true;
    }

    KeyFormat keyFormat() const final {
        return KeyFormat::Long;
    }

    long long dataSize(OperationContext*) const final {
        return 0LL;
    }

    long long numRecords(OperationContext*) const final {
        return 0LL;
    }

    int64_t storageSize(OperationContext*, BSONObjBuilder*, int) const final {
        return 0LL;
    }

    bool findRecord(OperationContext*, const RecordId&, RecordData*) const final {
        unimplementedTasserted();
        return false;
    }

    bool updateWithDamagesSupported() const final {
        return false;
    }

    void printRecordMetadata(OperationContext*, const RecordId&) const final {
        unimplementedTasserted();
    }

    std::unique_ptr<SeekableRecordCursor> getCursor(OperationContext* opCtx,
                                                    bool forward = true) const final;

    std::unique_ptr<RecordCursor> getRandomCursor(OperationContext* opCtx) const final {
        unimplementedTasserted();
        return nullptr;
    }

    void appendNumericCustomStats(OperationContext*, BSONObjBuilder*, double) const final {}

    void updateStatsAfterRepair(OperationContext* opCtx,
                                long long numRecords,
                                long long dataSize) final {
        unimplementedTasserted();
    }

protected:
    void doDeleteRecord(OperationContext*, const RecordId&) final {
        unimplementedTasserted();
    }

    Status doInsertRecords(OperationContext*,
                           std::vector<Record>*,
                           const std::vector<Timestamp>&) final {
        unimplementedTasserted();
        return {ErrorCodes::Error::UnknownError, "Unknown error"};
    }

    Status doUpdateRecord(OperationContext*, const RecordId&, const char*, int) final {
        unimplementedTasserted();
        return {ErrorCodes::Error::UnknownError, "Unknown error"};
    }

    StatusWith<RecordData> doUpdateWithDamages(OperationContext*,
                                               const RecordId&,
                                               const RecordData&,
                                               const char*,
                                               const mutablebson::DamageVector&) final {
        unimplementedTasserted();
        return {ErrorCodes::Error::UnknownError, "Unknown error"};
    }

    Status doTruncate(OperationContext* opCtx) final {
        unimplementedTasserted();
        return {ErrorCodes::Error::UnknownError, "Unknown error"};
    }

    void doCappedTruncateAfter(OperationContext*,
                               const RecordId&,
                               bool,
                               const AboutToDeleteRecordCallback&) final {
        unimplementedTasserted();
    }

    void waitForAllEarlierOplogWritesToBeVisibleImpl(OperationContext*) const final {
        unimplementedTasserted();
    }

private:
    void unimplementedTasserted() const {
        MONGO_UNIMPLEMENTED_TASSERT(6968600);
    }

    VirtualCollectionOptions _vopts;
};
}  // namespace mongo