valid() public method Returns whether there is a valid

rewind() public method Resets the iterator to the initial

next() public method Moves the internal pointer to the

fetchData() protected method Fetches the next batch of

$query public property The query object associated with this batch

__destruct() public method Destructor.

$batchSize public property The number of rows to be returned in

reset() public method Resets the batch query.

key() public method Returns the index of the current dataset

current() public method Returns the current dataset.