The new scanner (VFileScanner) need a counter to record two values in load job. 1. The number of rows unselected by pre-filter, and 2. The number of rows filtered by unmatched schema or other error. This pr is to implement the counter.
The new scanner (VFileScanner) need a counter to record two values in load job. 1. The number of rows unselected by pre-filter, and 2. The number of rows filtered by unmatched schema or other error. This pr is to implement the counter.