49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
// whereExample.cpp
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#include <iostream>
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#include "mongo/client/dbclient.h"
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using namespace std;
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using namespace mongo;
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int main() {
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DBClientConnection conn;
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string errmsg;
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if ( ! conn.connect( "127.0.0.1" , errmsg ) ) {
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cout << "couldn't connect : " << errmsg << endl;
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throw -11;
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}
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const char * ns = "test.where";
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conn.remove( ns , emptyObj );
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conn.insert( ns , BUILDOBJ( "name" << "eliot" << "num" << 17 ) );
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conn.insert( ns , BUILDOBJ( "name" << "sara" << "num" << 24 ) );
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auto_ptr<DBClientCursor> cursor = conn.query( ns , emptyObj );
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while ( cursor->more() ) {
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BSONObj obj = cursor->next();
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cout << "\t" << obj.jsonString() << endl;
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}
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cout << "now using $where" << endl;
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BSONObjBuilder query;
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query.appendWhere( "this.name == name" , BUILDOBJ( "name" << "sara" ) );
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cursor = conn.query( ns , query.done() );
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int num = 0;
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while ( cursor->more() ) {
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BSONObj obj = cursor->next();
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cout << "\t" << obj.jsonString() << endl;
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num++;
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}
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assert( num == 1 );
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}
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