Пример #1
0
 BSONObj ClientCursor::extractKey( const KeyPattern& usingKeyPattern ) const {
     KeyPattern currentIndex( _c->indexKeyPattern() );
     if ( usingKeyPattern.isCoveredBy( currentIndex ) && ! currentIndex.isSpecial() ){
         BSONObj currKey = _c->currKey();
         BSONObj prettyKey = currKey.replaceFieldNames( currentIndex.toBSON() );
         return usingKeyPattern.extractSingleKey( prettyKey );
     }
     return usingKeyPattern.extractSingleKey( _c->current() );
 }