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// @file whereExample.cpp
// @see http://www.mongodb.org/display/DOCS/Server-side+Code+Execution
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iostream>
#include "client/dbclient.h"
using namespace std;
using namespace mongo;
int main( int argc, const char **argv ) {
const char *port = "27017";
if ( argc != 1 ) {
if ( argc != 3 )
throw -12;
port = argv[ 2 ];
}
DBClientConnection conn;
string errmsg;
if ( ! conn.connect( string( "127.0.0.1:" ) + port , errmsg ) ) {
cout << "couldn't connect : " << errmsg << endl;
throw -11;
}
const char * ns = "test.where";
conn.remove( ns , BSONObj() );
conn.insert( ns , BSON( "name" << "eliot" << "num" << 17 ) );
conn.insert( ns , BSON( "name" << "sara" << "num" << 24 ) );
auto_ptr<DBClientCursor> cursor = conn.query( ns , BSONObj() );
while ( cursor->more() ) {
BSONObj obj = cursor->next();
cout << "\t" << obj.jsonString() << endl;
}
cout << "now using $where" << endl;
Query q = Query("{}").where("this.name == name" , BSON( "name" << "sara" ));
cursor = conn.query( ns , q );
int num = 0;
while ( cursor->more() ) {
BSONObj obj = cursor->next();
cout << "\t" << obj.jsonString() << endl;
num++;
}
MONGO_assert( num == 1 );
}
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