bool DBClientWithCommands::ensureIndex( const string &ns , BSONObj keys , bool unique, const string & name ) {
BSONObjBuilder toSave;
toSave.append( "ns" , ns );
toSave.append( "key" , keys );
string cacheKey(ns);
cacheKey += "--";
if ( name != "" ) {
toSave.append( "name" , name );
cacheKey += name;
}
else {
string nn = genIndexName( keys );
toSave.append( "name" , nn );
cacheKey += nn;
}
if ( unique )
toSave.appendBool( "unique", unique );
if ( _seenIndexes.count( cacheKey ) )
return 0;
_seenIndexes.insert( cacheKey );
insert( Namespace( ns.c_str() ).getSisterNS( "system.indexes" ).c_str() , toSave.obj() );
return 1;
}
void DBClientWithCommands::dropIndex( const string& ns , BSONObj keys ) {
dropIndex( ns , genIndexName( keys ) );
}