forked from pocoproject/poco
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathDatabase.cpp
More file actions
executable file
·131 lines (97 loc) · 2.82 KB
/
Database.cpp
File metadata and controls
executable file
·131 lines (97 loc) · 2.82 KB
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
//
// Database.cpp
//
// $Id$
//
// Library: MongoDB
// Package: MongoDB
// Module: Database
//
// Implementation of the Database class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/MongoDB/Database.h"
namespace Poco {
namespace MongoDB {
Database::Database( const std::string& db) : _dbname(db)
{
}
Database::~Database()
{
}
double Database::count(Connection& connection, const std::string& collectionName) const
{
Poco::SharedPtr<Poco::MongoDB::QueryRequest> countRequest = createCountRequest(collectionName);
Poco::MongoDB::ResponseMessage response;
connection.sendRequest(*countRequest, response);
if ( response.documents().size() > 0 )
{
Poco::MongoDB::Document::Ptr doc = response.documents()[0];
return doc->get<double>("n");
}
return -1;
}
Poco::MongoDB::Document::Ptr Database::ensureIndex(Connection& connection, const std::string& collection, const std::string& indexName, Poco::MongoDB::Document::Ptr keys, bool unique, bool background, int version, int ttl)
{
Poco::MongoDB::Document::Ptr index = new Poco::MongoDB::Document();
index->add("ns", _dbname + "." + collection);
index->add("name", indexName);
index->add("key", keys);
if ( version > 0 )
{
index->add("version", version);
}
if ( unique )
{
index->add("unique", true);
}
if ( background )
{
index->add("background", true);
}
if ( ttl > 0 )
{
index->add("expireAfterSeconds", ttl);
}
Poco::SharedPtr<Poco::MongoDB::InsertRequest> insertRequest = createInsertRequest("system.indexes");
insertRequest->documents().push_back(index);
connection.sendRequest(*insertRequest);
insertRequest->documents().push_back(index);
connection.sendRequest(*insertRequest);
return getLastErrorDoc(connection);
}
Document::Ptr Database::getLastErrorDoc(Connection& connection) const
{
Document::Ptr errorDoc;
Poco::SharedPtr<Poco::MongoDB::QueryRequest> request = createQueryRequest("$cmd");
request->setNumberToReturn(1);
request->selector().add("getLastError", 1);
Poco::MongoDB::ResponseMessage response;
connection.sendRequest(*request, response);
if ( response.documents().size() > 0 )
{
errorDoc = response.documents()[0];
}
return errorDoc;
}
std::string Database::getLastError(Connection& connection) const
{
Document::Ptr errorDoc = getLastErrorDoc(connection);
if ( !errorDoc.isNull() && errorDoc->isType<std::string>("err") )
{
return errorDoc->get<std::string>("err");
}
return "";
}
Poco::SharedPtr<Poco::MongoDB::QueryRequest> Database::createCountRequest(const std::string& collectionName) const
{
Poco::SharedPtr<Poco::MongoDB::QueryRequest> request = createQueryRequest("$cmd");
request->setNumberToReturn(1);
request->selector().add("count", collectionName);
return request;
}
} } // namespace Poco::MongoDB