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
|
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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.
*/
#include "mongo/db/ops/delete.h"
#include "mongo/db/exec/delete.h"
#include "mongo/db/ops/delete_request.h"
#include "mongo/db/ops/parsed_delete.h"
#include "mongo/db/query/get_executor.h"
namespace mongo {
/* ns: namespace, e.g. <database>.<collection>
pattern: the "where" clause / criteria
justOne: stop after 1 match
god: allow access to system namespaces, and don't yield
*/
long long deleteObjects(OperationContext* txn,
Database* db,
const StringData& ns,
BSONObj pattern,
PlanExecutor::YieldPolicy policy,
bool justOne,
bool logop,
bool god,
bool fromMigrate) {
NamespaceString nsString(ns);
DeleteRequest request(nsString);
request.setQuery(pattern);
request.setMulti(!justOne);
request.setUpdateOpLog(logop);
request.setGod(god);
request.setFromMigrate(fromMigrate);
request.setYieldPolicy(policy);
Collection* collection = NULL;
if (db) {
collection = db->getCollection(nsString.ns());
}
ParsedDelete parsedDelete(txn, &request);
uassertStatusOK(parsedDelete.parseRequest());
PlanExecutor* rawExec;
uassertStatusOK(getExecutorDelete(txn, collection, &parsedDelete, &rawExec));
boost::scoped_ptr<PlanExecutor> exec(rawExec);
uassertStatusOK(exec->executePlan());
return DeleteStage::getNumDeleted(exec.get());
}
} // namespace mongo
|
