| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 0 of 21 | 100% | 0 of 0 | n/a | 0 | 3 | 0 | 6 | 0 | 3 |
| GroupingInfo(TupleDescriptor, List) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| getOutputTupleDesc() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getPreRepeatExprs() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |