| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 78 of 78 | 0% | 4 of 4 | 0% | 5 | 5 | 14 | 14 | 3 | 3 |
| getOrCreateValueWriter(int, Block) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| MapFlatColumnWriter.NumericKeyManager(MapFlatColumnWriter, Supplier, FixedWidthType) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| createDwrfKey(long) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |