Visits rows in index order with one re-pointed row view. The callback is synchronous; copy values that must survive the current invocation.
InternalInvalidates the view. Normally called automatically after queryViews().
Returns the batch-owned reusable row view pinned to rowIndex. Every call returns the same object re-pointed at the requested row.
Batch-owned reusable view delivered by QwpEgressSession.queryViews(). Access is invalid after the callback returns. materialize() creates an independently owned QwpResultBatch when retention is required.