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
|
/**
* Copyright (C) 2021-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/db/pipeline/document_source_change_stream.h"
#include "mongo/db/pipeline/document_source_change_stream_gen.h"
namespace mongo::change_stream_legacy {
/**
* Transforms a given user requested change stream 'spec' into a list of executable internal
* pipeline stages.
*/
std::list<boost::intrusive_ptr<DocumentSource>> buildPipeline(
const boost::intrusive_ptr<ExpressionContext>& expCtx, DocumentSourceChangeStreamSpec spec);
/**
* Looks up and returns a pre-image document at the specified opTime in the oplog. Asserts that if
* an oplog entry with the given opTime is found, it is a no-op entry with a valid non-empty
* pre-image document.
*/
boost::optional<Document> legacyLookupPreImage(boost::intrusive_ptr<ExpressionContext> pExpCtx,
const Document& preImageId);
/**
* Represents the change stream operation types that are NOT guarded behind the 'showExpandedEvents'
* flag.
*/
static const std::set<StringData> kClassicOperationTypes =
std::set<StringData>{DocumentSourceChangeStream::kUpdateOpType,
DocumentSourceChangeStream::kDeleteOpType,
DocumentSourceChangeStream::kReplaceOpType,
DocumentSourceChangeStream::kInsertOpType,
DocumentSourceChangeStream::kDropCollectionOpType,
DocumentSourceChangeStream::kRenameCollectionOpType,
DocumentSourceChangeStream::kDropDatabaseOpType,
DocumentSourceChangeStream::kInvalidateOpType,
DocumentSourceChangeStream::kReshardBeginOpType,
DocumentSourceChangeStream::kReshardDoneCatchUpOpType,
DocumentSourceChangeStream::kNewShardDetectedOpType};
} // namespace mongo::change_stream_legacy
|
