question: estimates the number of output records in the projection , which is the same as in the underlying query . concode_field_sep Plan p concode_elem_sep Schema schema concode_elem_sep Iterator<Plan> iter concode_elem_sep boolean done concode_elem_sep ProjectPlan plan concode_field_sep Schema schema concode_elem_sep Plan next concode_elem_sep Iterator<Plan> iterator concode_elem_sep long blocksAccessed concode_elem_sep long distinctValues concode_elem_sep String toString concode_elem_sep boolean hasNext concode_elem_sep Scan open concode_elem_sep void remove
target: long function ( ) { return p . recordsOutput ( ) ; }